Senior Software Engineer (DevSecOps)

🏢 Summary: Senior individual contributor role providing technical leadership for a Data Platform, defining architecture and driving engineering excellence across data, platform and infrastructure domains. The position focuses on building scalable, reliable and well-governed data solutions supporting analytics, AI and business-critical products. It involves mentoring engineers and shaping standards, tooling and automation within a cloud-native environment. 🗂️ Requirements: Proven experience as Staff Engineer, Principal Engineer or equivalent senior IC role, Strong background in data platforms and distributed systems, Experience with cloud-native architectures, Expertise in AWS and infrastructure as code, Experience building scalable data solutions, Knowledge of data lake or lakehouse architectures, Experience with batch and streaming processing, Knowledge of data quality, governance and observability tools 📃 Skills: AWS, Terraform, Kafka, MSK, Airflow, Glue, Spark, Iceberg, Datadog, DBT, AI, Cloud, Data, Infrastructure 🏢 Description: Who we are At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in a fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. At our Tech Hub, located near Wilanowska Metro, we are here as more than 300 ambitious specialists who work on the development of our IT products. We are proud to be part of The Stepstone Group, a global expert in job-tech platforms and e-recruiting. Join our team of 3,000+ employees and be part of reshaping the labour market and becoming the world’s leading job-tech platform. The job at a glance Join our team and you’ll be responsible for providing technical leadership for our Data Platform team, defining technical direction and driving architectural decisions across data, platform and infrastructure domains. Working in the Data Platform department you will build scalable, reliable and well-governed data platform capabilities that support analytics, AI and business-critical products, while collaborating closely with Engineering Managers, Product Managers and Enterprise Architects. This is so important to us. By joining our team, you will be playing a vital role as together we reimagine the labour market to make it work for everybody. Your responsibilities Define and evolve the technical vision, roadmap and architecture of the Data Platform, driving decisions across data, platform and infrastructure domains Establish engineering standards, best practices and reusable patterns while partnering with Enterprise Architecture and influencing technical direction Drive engineering excellence by improving code quality, testing, observability, reliability and operational practices Support end-to-end delivery by guiding teams through complex technical challenges, improving decision-making, and contributing to planning and risk management Mentor engineers, grow senior technical capabilities and champion AI-assisted development and engineering automation Your skills and qualifications Proven experience as a Staff Engineer, Principal Engineer or in an equivalent senior individual contributor leadership role Strong background in data platforms, distributed systems and cloud-native architectures, with experience shaping technical direction across teams and stakeholders Solid expertise in relevant technologies such as AWS, Terraform, Kafka/MSK, Airflow, Glue or Spark, and building scalable data solutions Experience with modern data ecosystems including data lakes/lakehouse architectures, Iceberg or similar table formats, as well as batch and streaming processing Knowledge of data quality, governance, cataloguing and observability tools (e.g. Datadog), with DBT or AI-assisted engineering practices as a plus Your benefits We’re a community here that cares as much about your life outside work as how you feel when you’re with us. Because your job shouldn’t take over your life, it should enrich it. Here are some of the benefits we offer: Premium medical and dental care Life insurance Flex Benefits - Worksmile Cafeteria System (Multisport, vouchers, tickets etc.) Employee Referral Program Hackathons, Knowledge Sharing Hours, In-house projects Tech and sport communities Events and integration parties Charity initiatives, 2 extra volunteer days English/German classes Game room and chillout zone Our commitment Equal opportunities are important to us. We believe that diversity and inclusion at The Stepstone Group are critical to our success as a global company, so we want to recruit, develop, and keep the best talent. We encourage applications from everyone, regardless of background, gender identity, sexual orientation, disability status, ethnicity, belief, age, family or parental status, and any other characteristic.

🏢 Summary: Backend Engineer role in Team Mélange focused on building and operating AI- and rule-based parsing and normalization services that transform unstructured job and CV data into structured signals. The position involves developing scalable backend systems and event-driven data pipelines consumed as APIs across the organization. You will own services end-to-end, ensuring quality, reliability, and continuous improvement. 🗂️ Requirements: Proficiency in Java and/or Python, Experience with backend service and API development, Knowledge of distributed systems, Experience with event-driven architectures, Experience with Kafka, Ability to design, test, deploy, and monitor services, Experience with automated testing 📃 Skills: Java, Python, Kafka, APIs, Microservices, DistributedSystems, EventDrivenArchitecture, AutomatedTesting 🏢 Description: Company Description At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in a fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. At our Tech Hub, located near Wilanowska Metro, we are more than 300 ambitious specialists working on the development of our IT products. We are proud to be part of The Stepstone Group, a global expert in job-tech platforms and e-recruiting. Join our team of 4,000+ employees and be part of reshaping the labour market and becoming the world’s leading job-tech platform. Job Description The job at a glance Team Mélange builds AI- and rule-based parsing and normalization solutions that turn unstructured job and CV data into structured signals used across the Stepstone marketplace. Our services are consumed as APIs by teams across the organisation. Join our team and you’ll help build, scale, and operate these services. Working in the Mélange team you will contribute to backend systems that power data processing across the organisation, working closely with engineers across multiple domains. This is so important to us. By joining our team, you will play a vital role as we reimagine the labour market to make it work for everybody. Your responsibilities Build and maintain backend services and APIs using Java and Python Work on event-driven data pipelines based on Kafka Take ownership of services end-to-end: design, testing, deployment, monitoring, and iteration Ensure code quality, including writing and maintaining automated tests Collaborate with Software Engineers, ML Engineers, and a Product Manager in a distributed, international team Qualifications Your skills and qualifications You write clean, testable backend code in Java and/or Python You are comfortable working with distributed systems and event-driven architectures (or willing to grow in this area) You take ownership of services across their full lifecycle You care about code quality, including automated testing You have a pragmatic mindset and focus on delivering working solutions 👉 You don’t need to tick every box to apply – we value different perspectives and are happy to support your growth in areas that are new to you. Additional Information Software/Hardware Mac/Dell laptop Windows/macOS system 2 monitors (24", 27", or 32") Adjustable desks Slack + Teams Atlassian tools: JIRA, Confluence Your benefits We’re a community that cares as much about your life outside work as how you feel when you’re with us. Because your job shouldn’t take over your life — it should enrich it. Here are some of the benefits we offer: Premium medical and dental care Life insurance Flex Benefits – Worksmile Cafeteria System (Multisport, vouchers, tickets, etc.) Employee Referral Program Hackathons, Knowledge Sharing Hours, In-house projects Tech and sport communities Events and integration parties Charity initiatives and 2 extra volunteer days English/German classes Game room and chillout zone Our commitment Equal opportunities are important to us. We believe that diversity and inclusion at The Stepstone Group are critical to our success as a global company, so we want to recruit, develop, and keep the best talent. We encourage applications from everyone, regardless of background, gender identity, sexual orientation, disability status, ethnicity, belief, age, family or parental status, and any other characteristic.

🏢 Summary: As a Senior Software Engineer in the Data Products department, you will build and scale high-performance data products and pipelines that power AI Search and ML models across multiple markets. The role focuses on designing Kafka-based data pipelines, managing ETL processes, and enhancing data infrastructure in a global, cross-functional environment. You will directly impact the evolution of data-driven recruitment solutions. 🗂️ Requirements: Proficiency in Java, Practical knowledge of Airflow or similar orchestration tools, Experience with Kafka (MSK), Strong knowledge of SQL, Experience with Big Data, Experience with Data Warehousing, Experience with ETL, English proficiency at B2 level or higher 📃 Skills: Java, Kafka, MSK, Airflow, SQL, BigData, DataWarehousing, ETL, AWS, Glue, EMR, ECS, Docker, Redshift, DynamoDB, S3, Terraform 🏢 Description: Who we are At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in a fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. At our Tech Hub, located near Wilanowska Metro, we are more than 300 ambitious specialists working on the development of our IT products. We are proud to be part of The Stepstone Group, a global expert in job-tech platforms and e-recruiting. Join our team of 4,000+ employees and be part of reshaping the labour market and becoming the world’s leading job-tech platform. Job Description The job at a glance As a Senior Software Engineer, you’ll be responsible for building innovative data products that help recruiters find the right talent. You will design and implement high-performance applications using Kafka, while collaborating with cross-functional international teams. Working in the Data Products department , your work will directly power AI Search and ML models across multiple markets. This is so important to us. By joining our team, you will play a vital role in reshaping the labour market, helping it work for everyone, regardless of background. Your responsibilities Build and evolve data products that serve as the backbone for job listing data across Stepstone’s global platform Design and implement high-performance data pipelines using Kafka Collaborate with cross-functional teams to deliver impactful data engineering solutions Manage and improve ETL pipelines and data orchestration across a rich ecosystem of data sources Continuously improve and scale our data infrastructure to support a growing number of use cases and markets Qualifications Your skills and qualifications Proficiency in coding with Java Practical knowledge of Airflow or similar orchestration tools Experience working with Kafka (MSK) Strong knowledge of SQL Experience with Big Data, Data Warehousing, and ETL Nice to have / you may also bring: Experience with AWS services (e.g. Glue, EMR, ECS with Docker, Redshift, DynamoDB, S3) Familiarity with Infrastructure as Code tools such as Terraform Strong communication skills in English (B2+ level) A passion for data-driven solutions that make a real impact 👉 You don’t need to meet every requirement to apply — we’re happy to support your growth in areas that are new to you. Additional Information Your benefits We’re a community here that cares as much about your life outside work as how you feel when you’re with us. Because your job shouldn’t take over your life, it should enrich it. Here are some of the benefits we offer: Premium medical and dental care Life insurance Flex Benefits – Worksmile Cafeteria System (Multisport, vouchers, tickets, etc.) Employee Referral Program Hackathons, Knowledge Sharing Hours, in-house projects Tech and sport communities Events and integration parties Charity initiatives, 2 extra volunteer days English/German classes Game room and chillout zone Our commitment Equal opportunities are important to us. We believe that diversity and inclusion at The Stepstone Group are critical to our success as a global company, so we want to recruit, develop, and keep the best talent. We encourage applications from everyone, regardless of background, gender identity, sexual orientation, disability status, ethnicity, belief, age, family or parental status, or any other characteristic.

🏢 Summary: Hybrid delivery leadership role focused on end-to-end implementation of AI-enabled cybersecurity solutions in an enterprise environment. The position drives Agile/Hybrid programs across cybersecurity, data, and engineering teams to deploy secure, compliant, and scalable AI capabilities. Responsibilities include governance, risk management, and operationalization of AI models in production. 🗂️ Requirements: Advanced English proficiency, Proven experience leading large-scale cybersecurity and AI delivery programs, Experience coordinating multiple teams in complex enterprise environments, Practical knowledge of AI/ML model deployment and lifecycle management, Experience with operational monitoring and model retraining processes, Experience in highly regulated environments with governance and audit compliance, Strong knowledge of cybersecurity operations and incident response, Understanding of detection engineering methodologies 📃 Skills: AI, ML, Cybersecurity, Agile, DevOps, GenAI, SOC, Governance, Risk, Compliance, Monitoring, IncidentResponse, DetectionEngineering, Data, Cloud 🏢 Description: 🌍 Hello World! We are The Codest -  International Tech Software Company with tech hubs in Poland delivering global IT solutions and projects. Our core values lie in “Customers and People First” approach that prioritises the needs of our customers and a collaborative environment for our employees, enabling us to deliver exceptional products and services. Our expertise centers on web development, cloud engineering, DevOps and quality. After many years of developing our own product - Yieldbird, which was honored as a laureate of the prestigious Top25 Deloitte awards, we arrived at our mission: to help tech companies build impactful product and scale their IT teams through boosting IT delivery performance. Through our extensive experience with product development challenges, we have become experts in building digital products and scaling IT teams. But our journey does not end here - we want to continue our growth. If you’re goal-driven and looking for new opportunities, join our team! What awaits you is an enriching and collaborative environment that fosters your growth at every step. 💡 Project Description: In this project, you will lead the end-to-end delivery of AI-enabled cybersecurity capabilities designed to reduce risk and strengthen detection, response, and operational resilience. The role involves close collaboration with cybersecurity, data, engineering, and risk/control stakeholders to drive initiatives from concept through production deployment while ensuring compliance, security, and measurable outcomes. Please note: this is a hybrid position, you will be expected to come into the office 6 days per month overall (the office is located in Kraków). 📈 Your Responsibilities : Lead end-to-end delivery of AI-driven cybersecurity initiatives across multiple workstreams, managing delivery plans, milestones, dependencies, and risks. Drive Agile/Hybrid delivery processes, translating cybersecurity priorities into actionable backlogs, release plans, and scalable delivery roadmaps. Support implementation of AI-enabled cybersecurity solutions in areas such as SOC operations, threat detection, vulnerability management, identity monitoring, and GenAI-powered analyst assistance. Collaborate with cybersecurity, engineering, platform, and data teams to ensure secure deployment, high data quality, and reliable operational performance of AI solutions. Ensure compliance with security, privacy, and responsible AI standards, including governance processes, documentation, validation, and audit readiness. Implement safeguards for GenAI solutions, including prompt controls, human oversight, logging, and data protection measures. Manage stakeholder communication, governance forums, delivery reporting, and coordination with third-party vendors where required. 🔑 Key Requirements: Advanced English in speaking and writing Proven success leading large-scale delivery programmes across cybersecurity, data, and AI domains, coordinating multiple teams within complex enterprise environments. Effective at building relationships with senior stakeholders and influencing decision-making across technology, security, and risk management functions. Practical understanding of AI/ML delivery frameworks, including model deployment, operational monitoring, performance degradation management, and retraining processes. Experience operating within highly regulated organisations, ensuring compliance with governance standards, audit expectations, and risk controls. Solid knowledge of cybersecurity operations, including security monitoring, incident response practices, and detection engineering methodologies. 📜Our Promise (what you can expect from us): 17-20k PLN on B2B 300 PLN to use on our benefits platform, Worksmile - gift cards, medical services, sports, etc. Our B2B contract contains provisions that allow you to obtain IP BOX support Integration events, education opportunities and much more… A unique opportunity to take your career to the next level - we’re looking for people who want to create an impact. You have ideas, we want to hear them! 📌Recruitment process: 30 minute screening call online with our recruiter 1 hour technical call with the client 30 minute call with the team leader Offer Questions, insights? Feel free to reach out to our recruiting team: ewa.szczodrak@thecodest.co In the meantime, feel free to visit our website where you can find key facts about us.

🏢 Summary: Software Engineer role focused on developing, automating, and supporting cloud-native applications and infrastructure within an agile team. The position involves building new services, enhancing existing systems, and managing cloud-based Linux and Windows environments using modern development and CI/CD practices. Strong emphasis is placed on SQL Server development and AWS-based deployments. 🗂️ Requirements: Master’s degree in Computer Science, Information Technology or equivalent experience, 3-4 years of experience with Python, SQL, HTML, CSS, JavaScript, jQuery, JSON, XML, Java, J2EE, Maven, Junit, Bash, PowerShell, 3-4 years of experience with SQL Server databases, 1-2 years of experience with AWS, Proficiency with Git and CI/CD practices, Experience with modern development tools and methodologies, Ability to develop, deploy, and troubleshoot cloud-based Linux and Windows systems 📃 Skills: Python, SQL, HTML, CSS, JavaScript, jQuery, JSON, XML, Java, J2EE, Maven, Junit, Bash, PowerShell, SQLServer, AWS, Git, CI/CD, Linux, Windows, Jira, Confluence, Agile, Scrum 🏢 Description: Who we are looking for We are seeking a smart, experienced, and talented individual that takes a service-oriented approach to their work and is passionate about software development and process automation. In this role you will work as part of an agile team of software developers and systems engineers responsible for building, supporting, and enhancing the feature set of our cloud native technology stack. Current skills using programming languages/tools for our active code bases are required.  These include Python, SQL, HTML, CSS, JavaScript, jQuery, JSON, XML, Java, J2EE, Maven, Junit, Bash, and PowerShell. Proficiency in developing with SQL Server databases is key to this role and strong skills are required. Candidates must be able to demonstrate proficiency with Git and modern CI/CD software engineering practices. What you will be responsible for Development of new processes, services and applications using modern software development languages, tools, and methodologies Automation, configuration, monitoring and troubleshooting of cloud-based Linux and Windows Systems Collaborate with geographically dispersed, cross-functional teams to streamline workflows Support business users with technical issues Identify root causes for technical problems and continuously refine our infrastructure Define and document workflows and operating procedures for complex systems What we value A successful candidate will be service-focused, a team player, eager to learn new technologies, skilled in using modern software development tools, familiar with automation techniques, and exceptional at helping people find innovative solutions to challenging problems. This job is an excellent fit for someone eager to make key contributions in our fast-paced, ever-evolving environment. Education & Preferred Qualifications Master's degree in computer science or information technology (or similar) or equivalent experience 3-4 years of experience writing software using Python, SQL, HTML, CSS, JavaScript, jQuery, JSON, XML, Java, J2EE, Maven, Junit, Bash, and PowerShell 3-4 years of experience developing with SQL Server databases 1-2 years of experience building and deploying systems using Amazon Web Services (AWS) Proficient with modern software development methodologies and tools (IDEs, source control systems, Jira, Confluence, agile, scrum, CI/CD, etc.) Great communicator and an ability to thrive in a fast paced, dynamic environment Independent thinker and problem solver with good attention to detail Service-oriented with a passion for quality Note: The role requires a minimum of three days per week working from the office Minimum Salary: ​ zł182,004 Annual The minimum salary quoted above applies to the role in the primary location specified. If the candidate ultimately works outside of this primary location, the applicable minimum salary may differ.​ Salary will be determined based on factors such as the position, type of work performed, individual skills, job description, working hours, diligence, initiative, self-management, length of employment, availability, and the quantity and quality of work delivered, as well as other objective and non-discriminatory criteria relevant to State Street employees.​ In addition to salary, employees are eligible to be considered for discretionary annual performance-based awards.​ ​ We Offer: ​ Permanent contract from day one​ Additional holidays (Birthday Day Off, 3rd and 5th year anniversary Day Off)​ Gold Medical Package for employees and their families (partner and children)​ Premium life insurance package and private pension plan​ Wide range of soft skills training, technical workshops, language classes and development programs​ Opportunities to volunteer your time to company-driven initiatives, employee networks or organizations of your choice​ Variety of well-being programs​ Additional benefits available depending on the seniority of the role About State Street Across the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success. We are committed to fostering an environment where every employee feels valued and empowered to reach their full potential. As an essential partner in our shared success, you’ll benefit from inclusive development opportunities, flexible work-life support, paid volunteer days, and vibrant employee networks that keep you connected to what matters most. Join us in shaping the future. As an Equal Opportunity Employer, we consider all qualified applicants for all positions without regard to race, creed, color, religion, national origin, ancestry, ethnicity, age, disability, genetic information, sex, sexual orientation, gender identity or expression, citizenship, marital status, domestic partnership or civil union status, familial status, military and veteran status, and other characteristics protected by applicable law. Discover more information on jobs at StateStreet.com/careers Read our CEO Statement State Street's Speak Up Line Załącznik do standardu Whistleblowing i Speak Up SSBI GmbH dla Oddziału w Polsce

🏢 Summary: Development of a secure, multi-tenant SaaS platform for managing sensitive HR and identity data, with strong emphasis on access control, auditability, and data governance. The role covers end-to-end delivery of backend services and web applications, including REST APIs, business logic, database design, frontend features, automated testing, and API documentation. Fully remote B2B position with high impact on product architecture and engineering practices. 🗂️ Requirements: 5+ years experience building production web applications, Proficiency in at least one modern language (PHP, TypeScript/Node.js, Python or similar), Strong REST API design knowledge (resources, idempotency, versioning, error handling), Experience with relational databases (schema design, query analysis, migrations), Experience with unit and integration testing, Proficient with Git (branching, pull requests, rebasing, conflict resolution), Experience using AI coding assistants in engineering workflows, Strong written English for technical documentation 📃 Skills: PHP, TypeScript, Node.js, Python, REST, SQL, Git, OpenAPI, UnitTesting, IntegrationTesting 🏢 Description: Fullstack Engineer 🌍 Hello World! We are The Codest -  International Tech Software Company with tech hubs in Poland delivering global IT solutions and projects. Our core values lie in “Customers and People First” approach that prioritises the needs of our customers and a collaborative environment for our employees, enabling us to deliver exceptional products and services. Our expertise centers on web development, cloud engineering, DevOps and quality. After many years of developing our own product - Yieldbird, which was honored as a laureate of the prestigious Top25 Deloitte awards, we arrived at our mission: to help tech companies build impactful product and scale their IT teams through boosting IT delivery performance. Through our extensive experience with product development challenges, we have become experts in building digital products and scaling IT teams. But our journey does not end here - we want to continue our growth. If you’re goal-driven and looking for new opportunities, join our team! What awaits you is an enriching and collaborative environment that fosters your growth at every step. 💡 Project Description: In this project, you will develop and enhance a secure, multi-tenant SaaS platform for managing sensitive HR and identity-related data, with a strong focus on access control, auditability, and data governance. Deliver end-to-end features across backend services and web applications, covering REST API development, business logic implementation, database design, frontend functionality, automated testing, and API documentation. 🔑 Key Requirements: 5+ years building production web applications in any modern language (PHP, TypeScript/Node.js, Python or similar). Solid REST API design instincts: resources, idempotency, versioning, error contracts. Relational database fluency — schema design, query analysis, migrations. Disciplined testing — unit and integration; you know what to mock and what not to. Git fluency: branching, pull requests, rebases, conflict resolution. Experience using AI coding assistants and agent-based workflows in real engineering work. Strong communicative English — code comments, PR descriptions, OpenAPI text. ➕Nice to have: PHP 8.x with Symfony and Doctrine ORM — directly applicable to today's stack. Node.js / TypeScript with a mature backend framework (Nest, Fastify, Express + Zod, etc.) — directly applicable to the possible evolution path Multi-tenant SaaS architecture (row-level isolation, tenant-scoped queries). ● IPFS or other content-addressable storage concepts. JWT auth flows with refresh-token rotation. OWASP Top-10 awareness. 📜Our Promise (what you can expect from us): 20-25k PLN on B2B 100% remote work (but we have offices in Krakow and Warsaw and we’re happy to meet there from time to time 😉) 300 PLN to use on our benefits platform, Worksmile - gift cards, medical services, sports, etc. Our B2B contract contains provisions that allow you to obtain IP BOX support Integration events, education opportunities and much more… A unique opportunity to take your career to the next level - we’re looking for people who want to create an impact. You have ideas, we want to hear them! 📌Recruitment process: 30 minute screening call online with our recruiter 1h technical call with CTO 1h call with CEO Offer Questions, insights? Feel free to reach out to our recruiting team: ewa.szczodrak@thecodest.co In the meantime, feel free to visit our website where you can find key facts about us.

🏢 Summary: The offer is for a Software Developer working in an agile team to build, enhance, and support a cloud-native technology stack, with strong focus on SQL Server development and automation. The role involves developing new applications and services, maintaining cloud-based systems, and applying modern CI/CD practices. It combines software engineering, database development, and cloud infrastructure support. 🗂️ Requirements: Master’s degree in Computer Science, IT or equivalent experience, 3-4 years of experience in software development, 3-4 years of experience with SQL Server databases, 1-2 years of experience with AWS, Strong proficiency in SQL Server, Experience with Git and CI/CD practices, Experience working with modern development methodologies (Agile, Scrum), Ability to automate, configure, and troubleshoot Linux and Windows systems 📃 Skills: Python, SQL, HTML, CSS, JavaScript, jQuery, JSON, XML, Java, J2EE, Maven, JUnit, Bash, PowerShell, SQLServer, AWS, Git, CI/CD, Linux, Windows, Jira, Confluence 🏢 Description: Who we are looking for We are seeking a smart, experienced, and talented individual that takes a service-oriented approach to their work and is passionate about software development and process automation. In this role you will work as part of an agile team of software developers and systems engineers responsible for building, supporting, and enhancing the feature set of our cloud native technology stack. Current skills using programming languages/tools for our active code bases are required.  These include Python, SQL, HTML, CSS, JavaScript, jQuery, JSON, XML, Java, J2EE, Maven, Junit, Bash, and PowerShell. Proficiency in developing with SQL Server databases is key to this role and strong skills are required. Candidates must be able to demonstrate proficiency with Git and modern CI/CD software engineering practices. What you will be responsible for Development of new processes, services and applications using modern software development languages, tools, and methodologies Automation, configuration, monitoring and troubleshooting of cloud-based Linux and Windows Systems Collaborate with geographically dispersed, cross-functional teams to streamline workflows Support business users with technical issues Identify root causes for technical problems and continuously refine our infrastructure Define and document workflows and operating procedures for complex systems What we value A successful candidate will be service-focused, a team player, eager to learn new technologies, skilled in using modern software development tools, familiar with automation techniques, and exceptional at helping people find innovative solutions to challenging problems. This job is an excellent fit for someone eager to make key contributions in our fast-paced, ever-evolving environment. Education & Preferred Qualifications Master's degree in computer science or information technology (or similar) or equivalent experience 3-4 years of experience writing software using Python, SQL, HTML, CSS, JavaScript, jQuery, JSON, XML, Java, J2EE, Maven, Junit, Bash, and PowerShell 3-4 years of experience developing with SQL Server databases 1-2 years of experience building and deploying systems using Amazon Web Services (AWS) Proficient with modern software development methodologies and tools (IDEs, source control systems, Jira, Confluence, agile, scrum, CI/CD, etc.) Great communicator and an ability to thrive in a fast paced, dynamic environment Independent thinker and problem solver with good attention to detail Service-oriented with a passion for quality Note: The role requires a minimum of three days per week working from the office Minimum Salary: ​ zł182,004 Annual The minimum salary quoted above applies to the role in the primary location specified. If the candidate ultimately works outside of this primary location, the applicable minimum salary may differ.​ Salary will be determined based on factors such as the position, type of work performed, individual skills, job description, working hours, diligence, initiative, self-management, length of employment, availability, and the quantity and quality of work delivered, as well as other objective and non-discriminatory criteria relevant to State Street employees.​ In addition to salary, employees are eligible to be considered for discretionary annual performance-based awards.​​ We Offer: ​ Permanent contract from day one​ Additional holidays (Birthday Day Off, 3rd and 5th year anniversary Day Off)​ Gold Medical Package for employees and their families (partner and children)​ Premium life insurance package and private pension plan​ Wide range of soft skills training, technical workshops, language classes and development programs​ Opportunities to volunteer your time to company-driven initiatives, employee networks or organizations of your choice​ Variety of well-being programs​ Additional benefits available depending on the seniority of the role About State Street Across the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success. We are committed to fostering an environment where every employee feels valued and empowered to reach their full potential. As an essential partner in our shared success, you’ll benefit from inclusive development opportunities, flexible work-life support, paid volunteer days, and vibrant employee networks that keep you connected to what matters most. Join us in shaping the future. As an Equal Opportunity Employer, we consider all qualified applicants for all positions without regard to race, creed, color, religion, national origin, ancestry, ethnicity, age, disability, genetic information, sex, sexual orientation, gender identity or expression, citizenship, marital status, domestic partnership or civil union status, familial status, military and veteran status, and other characteristics protected by applicable law. Discover more information on jobs at StateStreet.com/careers Read our CEO Statement Benefits Medical Care and Insurance We provide a range of medical plans that cover you and your dependents. You can also take advantage of our employee and family life insurance, accidental death and dismemberment coverage. Well-Being Programs State Street's BeWell helps employees proactively manage their well-being. Our Employee Assistance Program (EAP) provides personal and confidential assistance for a broad range of issues. Financial Well-Being Depending on where you work, you will be eligible for regionally specific savings and/or retirement plans. We also provide resources and host local events to educate employees on achieving financial well-being. Holidays and Time Off We provide our employees with a highly competitive holiday and paid vacation allowance, with considerations for local requirements. We also offer our employees two paid days off to volunteer their time to company-driven initiatives or organizations of their choice.​​​​​​​ Supporting Families We are committed to supporting all employees and the ones they care about.  Some of our programs include paid parental leaves, back-to-work support, adoption assistance or flex work arrangements. Other Benefits Among others benefits, you may have access to group savings, discounts at sport clubs and cinemas, and our new employee referral bonus program.

🏢 Summary: The role involves developing, automating, and supporting cloud-native applications and infrastructure within an agile team. The position focuses on building and enhancing services using Python and Java ecosystems, managing SQL Server databases, and maintaining cloud-based Linux and Windows systems. It requires active contribution to CI/CD processes and modern software engineering practices. 🗂️ Requirements: Master’s degree in Computer Science, Information Technology or equivalent experience, Minimum 4 years of experience with Python and Java ecosystems, Minimum 4 years of experience with web technologies, Experience with MS SQL Server databases, Experience with Linux and Windows environments, Experience with AWS, Proficiency with Git and CI/CD practices, Experience with modern development tools and Agile (Scrum) 📃 Skills: Python, Java, Spring, Maven, JUnit, HTML, CSS, JavaScript, TypeScript, JSON, XML, SQL, SQLServer, Linux, Bash, Windows, PowerShell, AWS, Git, CI/CD, Jira, Confluence, Scrum 🏢 Description: Who we are looking for We are seeking a smart, experienced, and talented individual that takes a service-oriented approach to their work and is passionate about software development and process automation. In this role you will work as part of an agile team of software developers and systems engineers responsible for building, supporting, and enhancing the feature set of our cloud-native technology stack. Current skills using programming languages/tools for our active code bases are required.  These include both Python, and Java ecosystems, web development in Windows and Linux environments. Proficiency in developing with SQL Server databases is key to this role and strong skills are required. Candidates must be able to demonstrate proficiency with Git and modern CI/CD software engineering practices. What you will be responsible for Development of new processes, services and applications using modern software development languages, tools, and methodologies Automation, configuration, monitoring and troubleshooting of cloud-based Linux and Windows systems Collaborate with geographically dispersed, cross-functional teams to streamline workflows Support business users with technical issues Identify root causes for technical problems and continuously refine our infrastructure Define and document workflows and operating procedures for complex systems What we value A successful candidate will be an independent contributor, service-focused team player, eager to learn new technologies, skilled in using modern software development tools, familiar with automation techniques, and exceptional at helping people find innovative solutions to challenging problems. This job is an excellent fit for someone eager to make key contributions in our fast-paced, ever-evolving environment who has a passion for quality, problem solving, and good attention to detail. Education & Preferred Qualifications Master's degree in computer science or information technology (or similar) or equivalent experience min. 4 years of experience writing software in Python and Java ecosystems (Spring, Maven, JUnit) min. 4 years of experience with web technologies (HTML, CSS, JavaScript, TypeScript, JSON, XML) experience developing with MS SQL Server databases familiarity with Linux (bash) and Windows environments (PowerShell) experience building and deploying systems using Amazon Web Services (AWS) Proficient with modern software development tools (IDEs, CI/CD, GIT, Jira, Confluence, etc.) and agile (scrum) management practices. Note: The role requires a minimum of three days per week working from the office Minimum Salary: ​ zł182,004 Annual The minimum salary quoted above applies to the role in the primary location specified. If the candidate ultimately works outside of this primary location, the applicable minimum salary may differ.​ Salary will be determined based on factors such as the position, type of work performed, individual skills, job description, working hours, diligence, initiative, self-management, length of employment, availability, and the quantity and quality of work delivered, as well as other objective and non-discriminatory criteria relevant to State Street employees.​ In addition to salary, employees are eligible to be considered for discretionary annual performance-based awards.​​ We Offer: ​ Permanent contract from day one​ Additional holidays (Birthday Day Off, 3rd and 5th year anniversary Day Off)​ Gold Medical Package for employees and their families (partner and children)​ Premium life insurance package and private pension plan​ Wide range of soft skills training, technical workshops, language classes and development programs​ Opportunities to volunteer your time to company-driven initiatives, employee networks or organizations of your choice​ Variety of well-being programs​ Additional benefits available depending on the seniority of the role About State Street Across the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success. We are committed to fostering an environment where every employee feels valued and empowered to reach their full potential. As an essential partner in our shared success, you’ll benefit from inclusive development opportunities, flexible work-life support, paid volunteer days, and vibrant employee networks that keep you connected to what matters most. Join us in shaping the future. As an Equal Opportunity Employer, we consider all qualified applicants for all positions without regard to race, creed, color, religion, national origin, ancestry, ethnicity, age, disability, genetic information, sex, sexual orientation, gender identity or expression, citizenship, marital status, domestic partnership or civil union status, familial status, military and veteran status, and other characteristics protected by applicable law. Discover more information on jobs at StateStreet.com/careers Read our CEO Statement Benefits Medical Care and Insurance We provide a range of medical plans that cover you and your dependents. You can also take advantage of our employee and family life insurance, accidental death and dismemberment coverage. Well-Being Programs State Street's BeWell helps employees proactively manage their well-being. Our Employee Assistance Program (EAP) provides personal and confidential assistance for a broad range of issues. Financial Well-Being Depending on where you work, you will be eligible for regionally specific savings and/or retirement plans. We also provide resources and host local events to educate employees on achieving financial well-being. Holidays and Time Off We provide our employees with a highly competitive holiday and paid vacation allowance, with considerations for local requirements. We also offer our employees two paid days off to volunteer their time to company-driven initiatives or organizations of their choice.​​​​​​​ Supporting Families We are committed to supporting all employees and the ones they care about.  Some of our programs include paid parental leaves, back-to-work support, adoption assistance or flex work arrangements. Other Benefits Among others benefits, you may have access to group savings, discounts at sport clubs and cinemas, and our new employee referral bonus program.

🏢 Summary: Permanent hybrid role for a Mid Fullstack Engineer responsible for designing, building, and enhancing scalable, business-critical applications across C#/.NET backend and React frontend. The position involves end-to-end feature ownership, AI-assisted development, and collaboration within Agile teams to deliver high-quality, cloud-oriented solutions. The engineer contributes to architecture, testing, CI/CD, and continuous improvement across the stack. 🗂️ Requirements: 3–6 years professional software engineering experience, Strong knowledge of C# and .NET, Experience with ASP.NET Core and Web APIs, Experience with React and TypeScript, Experience designing and consuming RESTful APIs, Experience with relational databases and data modeling, Knowledge of clean code principles and automated testing, Experience with Git and CI/CD pipelines, Hands-on use of AI-assisted coding tools, Ability to review and validate AI-generated code 📃 Skills: C#, .NET, ASP.NET, React, TypeScript, REST, SQL, SQLServer, Git, CI/CD, Azure, Docker, Microservices, Claude, Copilot 🏢 Description: Overview Permanent, full-time, hybrid Connecting clients to markets – and talent to opportunity. With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors. Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth. Business Segment Overview: A Swift-accredited service bureau and member, our Payments division provides NGOs, institutions and non-profits the ability to make a local difference, globally – with transparent pricing across 180+ countries and 140+ currencies. Responsibilities Position Purpose: We are seeking a Mid Fullstack Engineer to design, build, and enhance scalable, business-critical applications across backend and frontend layers. This role is ideal for an engineer who: Works confidently across C#/.NET backend and React frontend Owns features end-to-end with minimal supervision Raises quality and engineering discipline within their squad Effectively leverages AI-assisted development tools to improve productivity and maintainability As a Mid Fullstack Engineer, you are a strong, autonomous contributor and an emerging technical leader within your team. You combine solid fullstack expertise with disciplined engineering practices and pragmatic adoption of agentic development workflows. Key Responsibilities will include: 1. Fullstack Development & Feature Ownership Contribute across the full software development lifecycle — from refinement and technical design through implementation, testing, deployment, and production support. Build and maintain backend services using C# and .NET ( ASP.NET Core, Web APIs). Develop modern frontend components using React and TypeScript. Design and consume RESTful APIs, ensuring clear and stable contracts between frontend and backend. Work with databases and data models to ensure performance, integrity, and reliability. Own medium-sized features end-to-end across the stack. Write clean, modular, and testable code with appropriate unit and integration tests. Participate actively in code reviews and architectural discussions. You are expected to deliver independently while contributing to continuous improvement of the overall system. 2. Agentic Development Application (Squad-Level Optimization) Agent-augmented engineering is an expected capability at this level. Actively use AI-assisted development tools (e.g., Claude Code, GitHub Copilot, or equivalent) to: Accelerate feature implementation across backend and frontend Generate and improve unit/integration tests Refactor components and services Assist in debugging and issue investigation Improve documentation and code clarity Critically evaluate and validate AI-generated code before committing it to production. Ensure AI-assisted output aligns with: Established architectural patterns Security and compliance standards Maintainability expectations Contribute to making the codebase more “agent-ready” by: Improving modularity and separation of concerns Strengthening TypeScript typing and API contracts Increasing automated test coverage Reducing unnecessary coupling Share effective AI-assisted development practices with teammates. You are an advanced practitioner of agentic tools who improves how your squad leverages them safely and effectively. 3. Delivery & Collaboration Collaborate closely with Product, QA, DevOps, and senior engineers to deliver high-quality features. Participate in story refinement, estimation, and technical breakdown. Identify and surface technical risks early. Support production systems through debugging and root cause analysis. Contribute to CI/CD pipelines and ensure reliable deployments. You help strengthen delivery predictability and engineering quality within your team. 4. Technical Growth & Influence Demonstrate strong ownership and accountability across frontend and backend components. Provide thoughtful, constructive code reviews that improve quality. Mentor junior engineers informally where appropriate. Continuously improve your fullstack expertise and understanding of cloud-native patterns. Stay current with evolving .NET, React, Azure, and AI-assisted development practices. You are progressing toward broader architectural influence and cross-team impact (Senior trajectory). Qualifications To land this role you will need: Fullstack Engineering 3–6 years of professional software engineering experience with meaningful fullstack exposure. Strong working knowledge of C# and .NET ( ASP.NET Core, Web APIs). Solid experience building frontend applications with React and TypeScript. Experience designing and consuming RESTful services. Familiarity with relational databases (e.g., SQL Server) and basic data modeling. Understanding of clean code principles, maintainable design, and automated testing. Experience using Git, CI/CD pipelines, and modern development workflows. Agentic Development Capabilities Hands-on experience using AI-assisted coding tools (e.g., GitHub Copilot, Claude Code, or equivalent). Ability to evaluate AI-generated backend and frontend code critically. Understanding of how modular design, strong typing, documentation, and test coverage improve AI tool effectiveness. Pragmatic mindset — using AI to accelerate delivery without compromising quality or security. Collaboration & Mindset Strong team collaboration and communication skills. Ability to take feedback constructively and improve continuously. Growth mindset with ambition to expand technical ownership and cross-stack expertise. Comfortable working in Agile, cross-functional environments. Nice to Have Exposure to Azure or other cloud platforms. Experience with Docker, microservices, or distributed systems. Familiarity with CI/CD pipelines and automated testing frameworks. Experience contributing to shared component libraries or frontend standards. Interest or exposure to financial services, payments, or trading platforms. Working environment: Hybrid 4-days in office with private parking for employees.

🏢 Summary: Permanent, full-time hybrid role for a Mid Fullstack Engineer responsible for designing, building, and enhancing scalable, business-critical applications across C#/.NET backend and React frontend. The position involves end-to-end feature ownership, REST API development, database work, CI/CD contribution, and AI-assisted development practices. The engineer collaborates in Agile squads to deliver high-quality, cloud-oriented solutions with strong engineering standards. 🗂️ Requirements: 3–6 years professional software engineering experience, Strong knowledge of C# and .NET, Experience with ASP.NET Core and Web APIs, Experience with React and TypeScript, Experience designing and consuming RESTful APIs, Experience with relational databases and data modeling, Knowledge of clean code and maintainable design principles, Experience with automated testing (unit and integration), Experience with Git and CI/CD pipelines, Hands-on use of AI-assisted coding tools, Ability to review and validate AI-generated code, Experience working in Agile environments 📃 Skills: C#, .NET, ASP.NET, React, TypeScript, REST, SQL, SQLServer, Git, CI/CD, Azure, Docker, Microservices, AI, Copilot, Claude 🏢 Description: Overview Permanent, full-time, hybrid Connecting clients to markets – and talent to opportunity. With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors. Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth. Business Segment Overview: A Swift-accredited service bureau and member, our Payments division provides NGOs, institutions and non-profits the ability to make a local difference, globally – with transparent pricing across 180+ countries and 140+ currencies. Responsibilities Position Purpose: We are seeking a Mid Fullstack Engineer to design, build, and enhance scalable, business-critical applications across backend and frontend layers. This role is ideal for an engineer who: Works confidently across C#/.NET backend and React frontend Owns features end-to-end with minimal supervision Raises quality and engineering discipline within their squad Effectively leverages AI-assisted development tools to improve productivity and maintainability As a Mid Fullstack Engineer, you are a strong, autonomous contributor and an emerging technical leader within your team. You combine solid fullstack expertise with disciplined engineering practices and pragmatic adoption of agentic development workflows. Key Responsibilities will include: 1. Fullstack Development & Feature Ownership Contribute across the full software development lifecycle — from refinement and technical design through implementation, testing, deployment, and production support. Build and maintain backend services using C# and .NET ( ASP.NET Core, Web APIs). Develop modern frontend components using React and TypeScript. Design and consume RESTful APIs, ensuring clear and stable contracts between frontend and backend. Work with databases and data models to ensure performance, integrity, and reliability. Own medium-sized features end-to-end across the stack. Write clean, modular, and testable code with appropriate unit and integration tests. Participate actively in code reviews and architectural discussions. You are expected to deliver independently while contributing to continuous improvement of the overall system. 2. Agentic Development Application (Squad-Level Optimization) Agent-augmented engineering is an expected capability at this level. Actively use AI-assisted development tools (e.g., Claude Code, GitHub Copilot, or equivalent) to: Accelerate feature implementation across backend and frontend Generate and improve unit/integration tests Refactor components and services Assist in debugging and issue investigation Improve documentation and code clarity Critically evaluate and validate AI-generated code before committing it to production. Ensure AI-assisted output aligns with: Established architectural patterns Security and compliance standards Maintainability expectations Contribute to making the codebase more “agent-ready” by: Improving modularity and separation of concerns Strengthening TypeScript typing and API contracts Increasing automated test coverage Reducing unnecessary coupling Share effective AI-assisted development practices with teammates. You are an advanced practitioner of agentic tools who improves how your squad leverages them safely and effectively. 3. Delivery & Collaboration Collaborate closely with Product, QA, DevOps, and senior engineers to deliver high-quality features. Participate in story refinement, estimation, and technical breakdown. Identify and surface technical risks early. Support production systems through debugging and root cause analysis. Contribute to CI/CD pipelines and ensure reliable deployments. You help strengthen delivery predictability and engineering quality within your team. 4. Technical Growth & Influence Demonstrate strong ownership and accountability across frontend and backend components. Provide thoughtful, constructive code reviews that improve quality. Mentor junior engineers informally where appropriate. Continuously improve your fullstack expertise and understanding of cloud-native patterns. Stay current with evolving .NET, React, Azure, and AI-assisted development practices. You are progressing toward broader architectural influence and cross-team impact (Senior trajectory). Qualifications To land this role you will need: Fullstack Engineering 3–6 years of professional software engineering experience with meaningful fullstack exposure. Strong working knowledge of C# and .NET ( ASP.NET Core, Web APIs). Solid experience building frontend applications with React and TypeScript. Experience designing and consuming RESTful services. Familiarity with relational databases (e.g., SQL Server) and basic data modeling. Understanding of clean code principles, maintainable design, and automated testing. Experience using Git, CI/CD pipelines, and modern development workflows. Agentic Development Capabilities Hands-on experience using AI-assisted coding tools (e.g., GitHub Copilot, Claude Code, or equivalent). Ability to evaluate AI-generated backend and frontend code critically. Understanding of how modular design, strong typing, documentation, and test coverage improve AI tool effectiveness. Pragmatic mindset — using AI to accelerate delivery without compromising quality or security. Collaboration & Mindset Strong team collaboration and communication skills. Ability to take feedback constructively and improve continuously. Growth mindset with ambition to expand technical ownership and cross-stack expertise. Comfortable working in Agile, cross-functional environments. Nice to Have Exposure to Azure or other cloud platforms. Experience with Docker, microservices, or distributed systems. Familiarity with CI/CD pipelines and automated testing frameworks. Experience contributing to shared component libraries or frontend standards. Interest or exposure to financial services, payments, or trading platforms. Working environment: Hybrid 4-days in office with private parking for employees.