Client 360 Full-Stack Application Developer (React.js, Javascript, GraphQL), Assistant Vice President

🏢 Summary: Hybrid B2B Full-stack Developer role focused on designing and building scalable backend and frontend applications, with strong emphasis on Java/Spring-based microservices and React frontend. The position involves API development, cloud-ready architecture, CI/CD practices, and ensuring non-functional requirements such as security and resilience. The developer will collaborate cross-functionally to deliver reliable, high-quality solutions in an Agile environment. 🗂️ Requirements: Experience developing APIs and Microservices using Java or Spring Boot, Experience with Java/J2EE and Spring Framework, Experience with Hibernate JPA, Experience building and consuming REST web services, Experience processing XML and JSON data, Experience with RDBMS databases (Oracle, PostgreSQL), Experience with MongoDB, Experience working in Agile/Scrum/Kanban methodologies, Experience with CI/CD pipelines, Experience with Jenkins, Experience with Docker, Experience with Git, Knowledge of Unix, Frontend experience with React.js, Experience with JavaScript and TypeScript, Understanding of code security principles 📃 Skills: Java, Spring, SpringBoot, J2EE, Hibernate, JPA, REST, XML, JSON, Oracle, PostgreSQL, MongoDB, Jenkins, Docker, Git, Unix, React, JavaScript, TypeScript, CI/CD 🏢 Description: Summary: The Full-stack Developer role focuses on developing and maintaining applications across both backend and frontend, ensuring a balanced skill set in both areas to accommodate market demands. Work model: Hybrid (6 times per month work from office-Cracow) Business trips: n/a Start: ASAP/ one month notice period Assignment type: B2B Budget: 150-170 zł/h Main Responsibilities: Knowledge of Data modelling and Data Architecture concepts, security concepts, Architecture design, Business Functional Domains. Awareness of Infrastructure Design, Integration concepts, techniques, and patterns. Ensuring non-functional requirements (NFRs) are architected into the design, including API governance for various types of APIs. Developing skills for cloud design, creating resilient and flexible solutions. Building scalable and reliable product features through design, implementation, and maintenance of applications. Applying problem-solving and analytical skills to a variety of issues. Collaborating with cross-functional teams for scalable solutions. Estimating engineering efforts and creating realistic schedules. Identifying and resolving complex production issues. Rapidly fixing bugs and solving problems. Conducting design and code reviews, performing unit-testing for robustness and reliability. Utilizing source control and bug tracking systems effectively. Key Requirements: Hands-on experience in developing APIs and Microservices using core Java and/or Spring Boot; understanding of code security principles. Experience with application development in Java/J2EE, including Spring Framework and Hibernate JPA. Experience in developing reusable APIs and working with web services (REST), processing data (XML/JSON). Expertise in Agile/Scrum/Kanban methodologies, with experience in working with Databases (RDBMS) - Oracle, PostgreSQL, MongoDB. Expertise with CI/CD pipelines, Jenkins, Docker, shell scripting, and GIT; knowledge of Unix. Frontend experience with React.js, JavaScript, and TypeScript. Nice to Have: Experience in JavaScript frameworks such as React.js, Node.js, Angular, and jQuery. Familiarity with JavaScript build tools and dependency management. Experience in creating responsive web designs (Bootstrap, mobile, etc.). Experience with cloud platforms such as GCP, GKE, AWS is advantageous. Knowledge in system architecture and solution design. Experience with Python, Machine Learning, and Data Science.

🏢 Summary: Hybrid B2B Full-stack Developer role focused on designing and maintaining scalable backend and frontend applications with strong emphasis on Java-based APIs, microservices, and cloud-ready architecture. The position involves building resilient solutions, ensuring non-functional requirements, and collaborating with cross-functional teams in an Agile environment. The role requires regular office presence in Cracow and offers a competitive hourly rate. 🗂️ Requirements: Hands-on experience with Java and Spring Boot for APIs and Microservices, Experience with Java/J2EE, Spring Framework, Hibernate JPA, Experience with REST web services and XML/JSON processing, Understanding of code security principles, Experience with RDBMS databases (Oracle, PostgreSQL) and MongoDB, Experience with CI/CD pipelines and Jenkins, Experience with Docker, GIT, shell scripting, Unix, Frontend experience with React.js, JavaScript, TypeScript, Experience working in Agile/Scrum/Kanban methodologies, Knowledge of data modelling and architecture design concepts 📃 Skills: Java, Spring, SpringBoot, J2EE, Hibernate, JPA, REST, XML, JSON, Oracle, PostgreSQL, MongoDB, Jenkins, Docker, GIT, Unix, Shell, React, JavaScript, TypeScript, CI/CD, Microservices 🏢 Description: Summary: The Full-stack Developer role focuses on developing and maintaining applications across both backend and frontend, ensuring a balanced skill set in both areas to accommodate market demands. Work model: Hybrid (6 times per month work from office-Cracow) Business trips: n/a Start: ASAP/ one month notice period Assignment type: B2B Budget: 150-170 zł/h Main Responsibilities: Knowledge of Data modelling and Data Architecture concepts, security concepts, Architecture design, Business Functional Domains. Awareness of Infrastructure Design, Integration concepts, techniques, and patterns. Ensuring non-functional requirements (NFRs) are architected into the design, including API governance for various types of APIs. Developing skills for cloud design, creating resilient and flexible solutions. Building scalable and reliable product features through design, implementation, and maintenance of applications. Applying problem-solving and analytical skills to a variety of issues. Collaborating with cross-functional teams for scalable solutions. Estimating engineering efforts and creating realistic schedules. Identifying and resolving complex production issues. Rapidly fixing bugs and solving problems. Conducting design and code reviews, performing unit-testing for robustness and reliability. Utilizing source control and bug tracking systems effectively. Key Requirements: Hands-on experience in developing APIs and Microservices using core Java and/or Spring Boot; understanding of code security principles. Experience with application development in Java/J2EE, including Spring Framework and Hibernate JPA. Experience in developing reusable APIs and working with web services (REST), processing data (XML/JSON). Expertise in Agile/Scrum/Kanban methodologies, with experience in working with Databases (RDBMS) - Oracle, PostgreSQL, MongoDB. Expertise with CI/CD pipelines, Jenkins, Docker, shell scripting, and GIT; knowledge of Unix. Frontend experience with React.js, JavaScript, and TypeScript. Nice to Have: Experience in JavaScript frameworks such as React.js, Node.js, Angular, and jQuery. Familiarity with JavaScript build tools and dependency management. Experience in creating responsive web designs (Bootstrap, mobile, etc.). Experience with cloud platforms such as GCP, GKE, AWS is advantageous. Knowledge in system architecture and solution design. Experience with Python, Machine Learning, and Data Science.

🏢 Summary: Hybrid B2B Full-stack Developer role focused on designing, developing, and maintaining scalable backend and frontend applications with strong emphasis on API and microservices architecture. The position involves building resilient cloud-ready solutions, ensuring non-functional requirements, and collaborating with cross-functional teams in an Agile environment. The role requires strong Java/Spring expertise, frontend experience with React, and hands-on knowledge of CI/CD and modern DevOps practices. 🗂️ Requirements: Hands-on experience developing APIs and Microservices using Java or Spring Boot, Experience with Java/J2EE application development, Experience with Spring Framework and Hibernate JPA, Experience building REST web services and processing XML/JSON, Understanding of code security principles, Experience with RDBMS databases, Experience with Oracle, PostgreSQL, or MongoDB, Experience working in Agile/Scrum/Kanban environments, Experience with CI/CD pipelines, Experience with Jenkins and Docker, Experience with shell scripting and Git, Knowledge of Unix, Frontend experience with React.js, Proficiency in JavaScript and TypeScript 📃 Skills: Java, J2EE, Spring, SpringBoot, Hibernate, JPA, REST, XML, JSON, Oracle, PostgreSQL, MongoDB, Jenkins, Docker, Git, Unix, React, JavaScript, TypeScript, CI/CD 🏢 Description: Summary: The Full-stack Developer role focuses on developing and maintaining applications across both backend and frontend, ensuring a balanced skill set in both areas to accommodate market demands. Work model: Hybrid (6 times per month work from office-Cracow) Business trips: n/a Start: ASAP/ one month notice period Assignment type: B2B Budget: 150-170 zł/h Main Responsibilities: Knowledge of Data modelling and Data Architecture concepts, security concepts, Architecture design, Business Functional Domains. Awareness of Infrastructure Design, Integration concepts, techniques, and patterns. Ensuring non-functional requirements (NFRs) are architected into the design, including API governance for various types of APIs. Developing skills for cloud design, creating resilient and flexible solutions. Building scalable and reliable product features through design, implementation, and maintenance of applications. Applying problem-solving and analytical skills to a variety of issues. Collaborating with cross-functional teams for scalable solutions. Estimating engineering efforts and creating realistic schedules. Identifying and resolving complex production issues. Rapidly fixing bugs and solving problems. Conducting design and code reviews, performing unit-testing for robustness and reliability. Utilizing source control and bug tracking systems effectively. Key Requirements: Hands-on experience in developing APIs and Microservices using core Java and/or Spring Boot; understanding of code security principles. Experience with application development in Java/J2EE, including Spring Framework and Hibernate JPA. Experience in developing reusable APIs and working with web services (REST), processing data (XML/JSON). Expertise in Agile/Scrum/Kanban methodologies, with experience in working with Databases (RDBMS) - Oracle, PostgreSQL, MongoDB. Expertise with CI/CD pipelines, Jenkins, Docker, shell scripting, and GIT; knowledge of Unix. Frontend experience with React.js, JavaScript, and TypeScript. Nice to Have: Experience in JavaScript frameworks such as React.js, Node.js, Angular, and jQuery. Familiarity with JavaScript build tools and dependency management. Experience in creating responsive web designs (Bootstrap, mobile, etc.). Experience with cloud platforms such as GCP, GKE, AWS is advantageous. Knowledge in system architecture and solution design. Experience with Python, Machine Learning, and Data Science.

🏢 Summary: Lead the design and development of a scalable, cloud-native data processing platform using Apache Spark and Databricks. The role covers full software development lifecycle ownership, architectural leadership, and implementation of enterprise-scale distributed data solutions. It also involves driving innovation with AI/ML and ensuring performance, security, and reliability of data systems. 🗂️ Requirements: BS/MS in Computer Science or related field, 10+ years experience in large-scale data processing and distributed computing, Hands-on experience with Apache Spark and Databricks, Strong programming skills in Java, Strong programming skills in Python, Experience with UNIX/Linux and Bash scripting, Experience with event-driven architecture, Experience with real-time data streaming systems, Experience with OLAP and OLTP databases, Knowledge of distributed systems concepts, Experience designing cloud-native enterprise solutions, Understanding of data security principles, Experience with batch and real-time data processing, Experience with CI/CD and DevOps practices 📃 Skills: Spark, Databricks, Java, Python, UNIX, Linux, Bash, Kafka, SQS, Kinesis, OLAP, OLTP, Scala, MATLAB, MCR, CI/CD, DevOps, AI, MachineLearning, Encryption 🏢 Description: Who we are looking for We are looking for an experienced Application Development Lead with deep technical expertise to join State Street Data Intelligence Team. The candidate will play a key role in designing, building and maintaining a robust and scalable data processing platform and end-to-end solutions using Apache Spark, Databricks, and other related big data and distributed computing technologies. What you will be responsible for The candidate will be deeply involved in all phases of the software development lifecycle, including scope definition, requirements analysis, functional and technical design, application implementation, unit testing, production deployment and support. Provide architectural direction across development teams and lead technical design reviews. Participate in strategic planning, technical roadmap development, and system architecture reviews. Ensure all technical solutions exhibit higher level of efficiency, performance, security, scalability, and reliability. Collaborate with cross-functional teams to define technical requirements and ensure successful project execution. Leverage AI and Machine Learning tools to drive platform innovation. Stay current with industry best practices; evaluate emerging tools for strategic benefit. What we value Capability of working independently in all phases of the software development lifecycle (including: scope definition, requirements analysis, functional and technical design, application implementation, unit testing, production deployment and support). Proven track record designing and building cloud-native enterprise-scale data computing solutions. Strong leadership skills, analytical problem-solving skills, quick to learn and adapt. Self-motivated, creative problem solver, organized, collaborative with excellent communication skills. Education & Preferred Qualifications BS/MS in Computer Science or equivalent field 10+ years of experience in designing and building large scale data processing and distributed computing solutions (Apache Spark, Databricks). Strong programming skills in Java and Python Familiarity with UNIX/Linux and Shell (e.g. Bash) scripting In-depth knowledge of event-driven architecture and real-time data streaming (e.g. Kafka, AWS SQS, Kinesis). Strong experience OLAP and OLTP Databases and storage solutions. Additional advantage Functional programming experience (e.g. Scala) Hands-on experience with MATLAB and MCR. Hands-on experience with CI/CD and DevOps. Successful candidates can demonstrate Deep understanding of distributed system concepts like concurrency, fault-tolerance, and data consistency models. Deep understanding of cloud-native and system integration design patterns, with the ability to apply patterns to build scalable, maintainable, and secure cloud applications. Solid understanding of data security principles including encryption, key management, and secure design principles. Strong understanding of application monitoring, observability, and alerting practices to ensure system reliability, performance, and rapid incident response. Strong experience with batch and real-time data processing, focusing on data quality. Hands-on experience with system and application performance optimization. Note: The role requires a minimum of three days per week working from the office Minimum Salary: ​ zł282,000 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: Hands-on Application Development Manager (VP) role leading architecture, design, and delivery of large-scale, distributed enterprise applications within Global Funds Management. Combines technical leadership with active development, AWS-based cloud engineering, and modernization initiatives in a financial services environment. Responsible for driving engineering standards, AI-assisted development adoption, and operational excellence for business-critical platforms. 🗂️ Requirements: Bachelor’s degree in Computer Science, Engineering or related field, 10+ years experience building large-scale distributed enterprise applications, Strong hands-on experience with Java and/or Python, Experience with Spring Boot and Microservices architecture, 4+ years experience designing and operating applications on AWS, Strong object-oriented design knowledge and design patterns, Strong SQL and relational database experience, Experience with AI-assisted engineering tools, Experience with enterprise application architecture in financial services, Ability to lead architecture and design reviews 📃 Skills: Java, Python, Spring, SpringBoot, Microservices, AWS, SQL, RDBMS, OOP, SOLID, GitHubCopilot, AI, SDLC 🏢 Description: About the Role State Street Investment Management (formerly State Street Global Advisors) is seeking an Application Development Manager, VP to join the Global Funds Management (GFM) Engineering team within the Chief Operating Officer (COO) organization. This is a hands-on senior technology leadership role with responsibility for application architecture , engineering delivery , and operational excellence supporting critical Global Funds Management business functions. The role blends strategic leadership with direct technical contribution , requiring deep involvement in solution design, complex engineering initiatives, and production support for business-critical platforms. The successful candidate will lead by example shaping architectural direction, advancing engineering standards, and driving execution across distributed teams while partnering closely with senior business and technology stakeholders. This is an excellent opportunity to work within a senior, high-performing engineering team and help deliver complex, business-critical applications in the financial services domain. This role follows a hybrid working model , requiring four days per week onsite at our Krakow office. Key Responsibilities Serve as Application Development Manager and Technical Lead , providing hands‑on leadership to a team of senior engineers Own and actively participate in all phases of the software development lifecycle (SDLC) , including requirements definition, solution design, development, testing, deployment, and production support Lead architecture and design reviews , ensuring alignment with enterprise standards and long‑term technology strategy Provide architectural direction across multiple development teams and complex workstreams Contribute to technology strategy , roadmap development , and platform modernization initiatives Ensure solutions meet high standards of performance , scalability , security , resiliency , and operational excellence Evaluate and drive adoption of agentic AI and AI-assisted engineering frameworks and tools to improve developer productivity and effectiveness across the enterprise SDLC Collaborate closely with global , cross-functional technology and business teams to deliver outcomes aligned with business priorities Provide senior level technical support and oversight for business-critical applications , including troubleshooting and incident resolution Coach,  mentor, and develop engineering talent , fostering a culture of continuous learning, accountability, and engineering excellence Promote modern engineering practices and evaluate emerging tools and technologies for strategic benefit Required Qualifications Bachelor’s degree (or foreign equivalent) in Computer Science, Engineering, or a related technical discipline; advanced degree preferred 10+ years of experience delivering large‑scale , distributed enterprise applications , with strong hands‑on expertise in Java, Python, Spring Boot , and Microservices architectures 4+ years of experience designing, building and operating applications on Amazon Web Services (AWS) Strong object-oriented design expertise, including design patterns, SOLID principles, and modern engineering best practices Strong proficiency in Java (preferred) and/or Python , with experience building scalable, high-performance services Strong SQL skills and hands-on experience with relational databases Practical experience with AI-assisted engineering tools (e.g., GitHub Copilot) is strongly valued Experience contributing to operating model design , process definition , or complex cross-functional initiatives Proven execution skills with strong attention to detail, ownership, and follow-through Clear, structured communicator, comfortable engaging with stakeholders at multiple levels of seniority Ability to operate effectively in a matrixed, global environment , leading multiple workstreams concurrently Experience in financial services industry, particularly enterprise application architecture and development AWS Certification (Cloud Developer or Solution Architect) strongly preferred About State Street Investment Management What We Do. As the asset management arm of State Street Corporation, State Street Investment Management has served the world’s governments, institutions and financial advisors for over four decades. With a rigorous, risk-aware approach built on research, analysis and market-tested experience, we build from a breadth of active and index strategies to create cost-effective solutions. As stewards, we help portfolio companies see that what is fair for people and sustainable for the planet can deliver long-term performance. And, as pioneers in index, ETF, and ESG investing, we are always inventing new ways to invest. As a result, we have become one of the world’s largest asset managers with trillions of dollars under our care. Our Mission. At State Street Investment Management, our mission is to invest responsibly to enable economic prosperity and social progress. We are driven by a desire to help our clients, and those who rely on them, achieve a better future. We have a long history of developing innovative investment strategies to provide our clients with reliable and transparent returns, cost-effectively, and without excessive risk. Work, Live and Grow. We make all efforts to create a great work environment. Our benefits packages are competitive and comprehensive. Details vary by location, but you may expect generous medical care, insurance and savings plans, among other perks. You’ll have access to Flexible Work Programs to help you match your needs. And our wealth of development programs and educational support will help you reach your full potential. Inclusion, Diversity and Social Responsibility. We truly believe our employees’ diverse backgrounds, experiences and perspectives are a powerful contributor to creating an inclusive environment where everyone can thrive and reach their maximum potential while adding value to both our organization and our clients. We warmly welcome candidates of diverse origin, background, ability, age, sexual orientation, gender identity and personality. Another fundamental value at State Street is active engagement with our communities around the world, both as a partner and a leader. You will have tools to help balance your professional and personal life, paid volunteer days, matching gift programs and access to employee networks that help you stay connected to what matters to you. State Street is an equal opportunity and affirmative action employer. Company: State Street Investment Management Minimum Salary: ​ zł282 000 Coroczny 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

🏢 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: 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: Full Stack Developer role with a primary focus on backend development in Java, responsible for building and maintaining scalable, secure microservices and REST APIs within an Agile environment. The position involves database design, cloud integration, and CI/CD pipeline participation, with additional work on modern React-based frontend components. The role emphasizes high code quality, performance optimization, and secure application architecture. 🗂️ Requirements: 5+ years experience in Full Stack or Backend development, Strong proficiency in Java, Experience with Spring Boot, Hibernate, JPA, Experience building REST APIs and microservices, Knowledge of OAuth2 and JWT authentication, Experience with SQL and NoSQL databases, Experience with CI/CD pipelines, Experience with Docker and Kubernetes, Cloud platform experience (AWS, Azure, or GCP), Experience working in Agile teams, Bachelor’s or Master’s degree in Computer Science or related field 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, REST, Microservices, OAuth2, JWT, PostgreSQL, MySQL, MongoDB, Redis, React, Redux, TypeScript, JavaScript, HTML5, CSS3, MaterialUI, Bootstrap, Tailwind, Jenkins, GitHubActions, GitLab, Docker, Kubernetes, AWS, Azure, GCP 🏢 Description: Overview We are a company leveraging AI to optimize business operations. Our mission is to provide digital solutions and consulting services that help companies grow and create value. By using modern technology, we simplify processes, increase efficiency, and discover new revenue opportunities—especially in private capital markets. Our ecosystem includes: PaaS (Platform as a Service): A core platform that enhances workflows, provides actionable insights, and supports value creation. SaaS (Software as a Service): A cloud platform offering robust performance and intelligent tools at scale. S&C (Solutions & Consulting): Flexible tools and methodologies to manage, grow, and improve company performance. With over 10 years of experience working with fast-growing companies and private equity businesses, we know how to harness technology to deliver tangible business advantages. Job Description We are looking for Full Stack Developer with strong Java expertise. While your main focus will be backend systems, experience with modern frontend technologies (React.js, TypeScript) is also required. You will join an Agile team to design, build, and maintain scalable, secure, and high-performing applications. Key Responsibilities Backend Development (Primary Focus) Develop and maintain REST APIs and microservices using Java (Spring Boot, Hibernate, JPA). Implement secure authentication, authorization, and data handling mechanisms. Design and optimize databases (PostgreSQL, MySQL, MongoDB) for performance and reliability. Integrate with third-party APIs, cloud services, and internal systems. Participate in deployment pipelines using CI/CD tools (Jenkins, GitHub Actions, GitLab CI/CD) and containerization (Docker, Kubernetes). Frontend Development (Nice-to-Have) Build responsive UI components using React.js, Redux, and modern JavaScript/TypeScript. Apply best practices in UI/UX design, performance optimization, and cross-browser compatibility. Work with UI frameworks like Material-UI, Bootstrap, or Tailwind CSS. Code Quality & Testing Write clean, maintainable, and well-documented code. Create unit and integration tests for backend services, and frontend components if applicable. Collaboration & Agile Development Collaborate with designers, product managers, and DevOps engineers. Participate in Agile/Scrum ceremonies and contribute to process improvement initiatives. Required Skills & Experience Backend Strong proficiency in Java , Spring Boot, Hibernate, JPA, and REST API development. Experience with microservices architecture and API Gateway. Knowledge of authentication/authorization protocols: OAuth2, JWT, sessions. Frontend (Optional / Nice-to-Have) Experience with React.js, Redux, TypeScript, HTML5, CSS3, and modern JavaScript. Understanding of state management and component-based design. Familiarity with UI libraries/frameworks: Material-UI, Bootstrap, or Tailwind CSS. Database & DevOps SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis). CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI/CD). Cloud platform experience (AWS, Azure, GCP) and containerization (Docker/Kubernetes). Qualifications Bachelor’s or Master’s degree in Computer Science, Engineering, or related field. 5+ years of experience as a Full Stack or Backend Developer. Experience working in Agile teams. Strong problem-solving and analytical skills. Soft Skills Excellent communication and teamwork abilities. Ability to manage multiple tasks in a fast-paced environment. Eagerness to learn new technologies and improve processes.

🏢 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: Senior Full Stack Developer role focused on architecting and delivering high-performance web applications using React and Node.js. The position involves leading system design, building scalable front-end and back-end solutions, and overseeing cloud-based deployments and DevOps processes. The role includes technical ownership of microservices, APIs, databases, and application performance in a hybrid Warsaw-based setup. 🗂️ Requirements: 7+ years full stack development experience, 2+ years in senior or technical lead role, Expert-level React.js with Hooks and Redux, Advanced JavaScript ES6+ proficiency, Strong Node.js and Express.js experience, Experience designing REST or GraphQL APIs, Experience with OAuth, JWT, sessions, RBAC, Database design and optimization with PostgreSQL, MySQL, or MongoDB, Hands-on Docker experience, Experience with AWS, Azure, or GCP, CI/CD pipeline management experience, Proficiency with Git workflows, Bachelor’s or Master’s in Computer Science or related field 📃 Skills: React, Redux, JavaScript, HTML5, CSS3, Node.js, Express, GraphQL, REST, OAuth, JWT, RBAC, PostgreSQL, MySQL, MongoDB, Docker, Kubernetes, AWS, Azure, GCP, Git, CI/CD, Webpack, Babel, Vite 🏢 Description: 🧩 About the Company Our client is a rapidly growing US-based technology firm with global operations. With a strong commitment to innovation and quality engineering, the company is building a new engineering hub in Warsaw. This is your opportunity to join a high-performing team and play a pivotal role in developing next-generation digital solutions for the private capital markets. 📍 Location & Setup Start remotely and transition to a hybrid model based in Warsaw (3 days/week in the office in the coming months). 🧠 The Role: Senior Full Stack Developer (React & Node.js) We’re looking for an expert-level Senior Full Stack Developer with at least 7 years of professional experience in designing, architecting, and delivering high-performance web applications. You will take ownership of complex technical challenges across both the front-end and back-end, drive architectural decisions, and provide technical leadership and mentorship within the software development lifecycle. 🔧 Key Responsibilities Technical Leadership: Architect and develop scalable, responsive UIs with React.js, Redux, and modern JavaScript (ES6+). System Design: Design, build, and scale advanced server-side applications, microservices architecture, and RESTful/GraphQL APIs with Node.js and Express. Data Architecture: Lead database design, optimization, and integration strategies (PostgreSQL, MySQL, or MongoDB). Quality Assurance: Define testing strategies, write robust unit/integration tests, and establish efficient debugging protocols for the team. DevOps & Deployment: Oversee and optimize CI/CD pipelines, containerization using Docker, and cloud deployments. Agile Mentorship: Lead agile collaboration with product managers, designers, and engineers, while mentoring mid-level and junior developers. Performance: Proactively monitor system performance, identify bottlenecks, and maintain high-availability production-grade applications. Standards: Establish and maintain comprehensive technical documentation and coding standards. 📌 What We’re Looking For Front-End: Expert-level experience with React.js, Hooks, Redux, and complex component-based architecture. Deep mastery of HTML5, CSS3, and ES6+. Advanced configuration and optimization experience with build tools like Webpack, Babel, or Vite. Back-End: Senior-level proficiency in Node.js & Express.js for enterprise applications. Extensive API design and architecture experience (GraphQL highly preferred, alongside REST). Deep understanding and implementation experience with advanced security and authentication protocols: OAuth, JWT, sessions, and RBAC. Databases & DevOps: Proven experience in scaling and optimizing relational and non-relational databases (PostgreSQL, MySQL, or MongoDB). Solid hands-on experience with Docker; Kubernetes experience is highly advantageous. Demonstrated experience designing and deploying applications on cloud platforms (AWS, Azure, or GCP). Advanced proficiency with Git workflows and driving Agile/Scrum methodologies. 🎓 Qualifications Bachelor’s or Master’s in Computer Science or a related field. 7+ years of hands-on experience in full stack development. 2+ years of experience in a senior or technical lead capacity. Proven track record of architecting, deploying, and maintaining high-traffic production applications. 💡 Soft Skills Strategic, analytical thinker and highly effective problem-solver. Strong technical leadership, team collaboration, and cross-functional communication skills. Self-motivated with excellent time management and the ability to drive projects autonomously. Passion for continuous learning, adopting new technologies, and sharing knowledge with the team. 🎁 What’s Offered Competitive salary up to $6,200 USD/month. Hybrid remote role with 3 days form office in the heart of Warsaw Generous Paid Time Off (PTO). Comprehensive full benefits package. The unique chance to shape the technical foundation of a new engineering hub and lead high-impact projects. A supportive, innovation-driven work environment that values technical excellence.