Java SRE Engineer

🏢 Summary: B2B contract role for a Java Site Reliability Engineer working on a large-scale payments platform with high transaction volumes across multiple regions. The position focuses on ensuring reliability, performance, and security of production systems through incident management, automation, and continuous improvement. Hybrid work model based in Warsaw with close involvement in live production environments. 🗂️ Requirements: Experience in Site Reliability Engineering, DevOps, or production support, Strong knowledge of Java or Go, Hands-on experience with Kubernetes, Knowledge of relational databases (DB2, MySQL or similar), Experience with Shell scripting and Python, Ability to troubleshoot complex production systems 📃 Skills: Java, Go, Kubernetes, DB2, MySQL, Shell, Python, Hadoop, Kafka, Spark, Scala, Hive, AWS, REST, SOAP, JVM 🏢 Description: Java Site Reliability Engineer – Payments Platform (B2B Contract) We are currently looking for an experienced Java SRE to join a team working on a fantastic organisation. This system operates at a very large scale and supports high volumes of transactions across multiple regions, where stability, performance, and security are essential. This role is well suited to someone who enjoys working close to production systems, solving complex technical issues, and continuously improving reliability through automation and engineering best practices. Project information Start date: as soon as possible Work model: hybrid, with approximately three days per week in the office Location: Warsaw Contract type: B2B Responsibilities Your day-to-day work will include: • In this role, you will be responsible for maintaining the reliability and performance of critical systems. Investigating and resolving production incidents in a timely manner Performing root cause analysis and implementing long-term solutions Developing scripts and tools to automate operational and support tasks Supporting application releases and production deployments Monitoring system performance and improving observability Collaborating with distributed teams across different regions Contributing to continuous improvement of processes and system stability Required experience and skills Previous experience in a Site Reliability Engineering, DevOps, or production support role Strong knowledge of Java and/or Go (Golang) Hands-on experience with Kubernetes Solid understanding of relational databases such as DB2, MySQL , or similar technologies Experience with scripting languages, particularly Shell scripting and Python Ability to troubleshoot complex systems and work effectively in a live production environment Nice to have Experience with technologies from the Hadoop ecosystem, such as Kafka, Spark, Scala, or Hive Familiarity with cloud platforms, especially Amazon Web Services (AWS) or similar Understanding of service-oriented architecture and web services, including REST and SOAP Experience with Java Virtual Machine performance analysis, including memory and garbage collection Knowledge of content delivery networks or distributed traffic management solutions Previous exposure to the financial services or payments domain Personal qualities Strong problem-solving mindset and attention to detail Ability to work under pressure and manage multiple priorities effectively A proactive approach with a sense of ownership and accountability Good communication skills and the ability to collaborate within international teams Willingness to work flexible hours when required, including occasional shifts What is offered Opportunity to work on a globally used, large-scale platform Collaboration with experienced international engineering teams A stable project environment with potential for long-term cooperation Opportunities for professional development and technical growth If this opportunity sounds of interest, please feel free to get in touch to discuss further details.

🏢 Summary: DevOps SRE Engineer role focused on production support and CI/CD automation for a high-impact cards and online payments project. The position involves maintaining cloud-based infrastructure, managing incidents, and performing deployments in a hybrid work model in Warsaw. Minimum 6-month engagement with potential extension. 🗂️ Requirements: 3–5 years of DevOps/SRE experience, Application production support experience, Experience building and maintaining CI/CD pipelines, Proficiency in Python, Proficiency in Java, Experience with cloud platforms, Working knowledge of containers, Experience in monitoring and incident management, Ability to perform deployments and patching 📃 Skills: Jenkins, GitHubActions, GitLabCI, AzureDevOps, Python, Java, AWS, Azure, GCP, Docker, Kubernetes, Monitoring, IncidentManagement, CICD 🏢 Description: We’re looking for an experienced DevOps SRE Engineer to join a fast-paced, high-impact project in the financial / payments domain. Duration of project: Minimum 6 months and will be extended Client location: Warsaw, Poland Working model : Hybrid working – 3 days from office per week Years of relevant exp needed: 3 to 5 yrs of experience Mandatory Skills: Application PROD Support Details about the project they would be working on: Cards and Online Payment Job description: Building and maintaining CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI, Azure DevOps) Proficiency in Python, Java Experience with AWS / Azure / GCP Working knowledge of containers Monitoring and Incident Management Roles and Responsibilities post joining: Production Support Automation of the Support activities Monitoring and Incident Management Perform deployments and patching Desired Skills: Building and maintaining CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI, Azure DevOps) Proficiency in Python, Java Experience with AWS / Azure / GCP Working knowledge of containers Monitoring and Incident Management Benefits: Collaborative and supportive team culture Exposure to innovative projects  in the biopharmaceutical industry Opportunity to work with global teams and stakeholders 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: The offer is for a Java SRE Engineer responsible for ensuring reliability, scalability, and performance of mission-critical fintech systems in a cloud-native environment. The role combines Java development with Site Reliability Engineering practices, focusing on automation, observability, and production support. You will work with modern cloud, container, and AI-powered tools to improve operational excellence and system resilience. 🗂️ Requirements: 5+ years of experience in Java development or Site Reliability Engineering, Strong knowledge of Java, Spring Boot, REST APIs, Microservices, Experience managing production systems in high-availability environments, Strong understanding of monitoring, observability, incident management, root cause analysis, performance tuning, reliability engineering, Experience with Prometheus, Grafana, ELK or OpenSearch, Hands-on experience with Kubernetes and Docker, Experience with at least one cloud platform: AWS, Azure or GCP, Experience with Jenkins and CI/CD pipeline development, Experience with infrastructure automation and scripting, Experience with PostgreSQL, MySQL or Oracle, 2+ years of experience in fintech, payments or financial services, Knowledge of PCI DSS and security/compliance standards 📃 Skills: Java, Spring, SpringBoot, REST, Microservices, SRE, Prometheus, Grafana, ELK, OpenSearch, Splunk, Kubernetes, Docker, AWS, Azure, GCP, Jenkins, CI/CD, PostgreSQL, MySQL, Oracle, Terraform, Ansible, Linux, PCI-DSS 🏢 Description: 🚀 Java SRE Engineer 📍 Hybrid | 2 days from the office in Warsaw Are you passionate about reliability, automation, cloud technologies, and building resilient systems at scale? We're looking for a Java SRE Engineer to join our growing team and help ensure the stability, security, and performance of mission-critical applications within the fintech and payments domain. As part of our engineering organization, you'll combine software engineering expertise with Site Reliability Engineering practices to improve platform reliability, automate operations, and drive operational excellence. You'll also leverage modern AI-powered tools to enhance troubleshooting, automation, and engineering productivity. 💡 Your Mission ⚙️ Site Reliability Engineering Ensure the availability, reliability, scalability, and performance of critical production systems. Design and implement monitoring, alerting, and observability solutions. Manage incident response, root cause analysis, and post-mortem activities. Establish and monitor Service Level Indicators (SLIs), Service Level Objectives (SLOs), and Service Level Agreements (SLAs). Drive reliability improvements through automation and engineering best practices. ☕ Software Engineering Develop and maintain automation tools and platform services using Java. Improve system resilience, performance, and operational efficiency. Collaborate with development teams to build highly reliable applications. Support production environments and participate in on-call rotations when required. ☁️ Cloud & Infrastructure Design and maintain cloud-native infrastructure. Manage containerized environments using Docker and Kubernetes. Implement Infrastructure as Code (IaC) practices. Optimize platform scalability, security, and cost efficiency. 🤖 AI-Powered Engineering Utilize tools such as GitHub Copilot, ChatGPT, Claude, and Cline to improve automation and operational efficiency. Explore AI-driven approaches to incident management, monitoring, and system optimization. Promote best practices for AI adoption within engineering teams. 🔐 Security & Compliance Support implementation of security controls and operational best practices. Assist with compliance requirements and operational audits. Ensure secure handling of sensitive financial and customer data. 🤝 Collaboration Partner closely with Software Engineers, DevOps Engineers, Security Teams, and Product Owners. Participate in Agile ceremonies and reliability planning sessions. Contribute to technical documentation and knowledge-sharing initiatives. 🎯 Must-Have Skills Backend & Automation ✔️ 5+ years of experience in Java development or Site Reliability Engineering ✔️ Strong knowledge of: Java Spring Boot REST APIs Microservices architecture SRE & Operations ✔️ Experience managing production systems in high-availability environments ✔️ Strong understanding of: Monitoring and observability Incident management Root cause analysis Performance tuning Reliability engineering principles ✔️ Experience with: Prometheus Grafana ELK Stack or OpenSearch Splunk (nice to have) Cloud & Containers ✔️ Hands-on experience with: Kubernetes Docker ✔️ Experience with cloud platforms: AWS Azure GCP CI/CD & Automation ✔️ Jenkins ✔️ CI/CD pipeline development and maintenance ✔️ Infrastructure automation and scripting Databases ✔️ Experience with: PostgreSQL MySQL Oracle ⭐ Nice to Have Experience with Terraform, Ansible, or Infrastructure as Code tools Experience supporting fintech or payment platforms Knowledge of Linux system administration Experience with distributed systems and event-driven architectures Open-source contributions Technical blogging or community involvement 💳 FinTech & Payments Experience 2+ years of experience in fintech, payments, or financial services Knowledge of PCI DSS requirements Familiarity with payment processing systems and financial transaction platforms Understanding of security and compliance standards within regulated industries 🎁 What You'll Get ✨ Opportunity to work on large-scale, business-critical systems ✨ Modern cloud-native technology stack ✨ Exposure to AI-powered engineering and automation tools ✨ Hybrid work model (Gdańsk or Warsaw) ✨ Collaborative engineering culture focused on innovation and reliability ✨ Influence on platform architecture and operational excellence ✨ Continuous learning and career development opportunities 🚀 Ready to build reliable, scalable systems that power the future of fintech? Join us and help create highly available platforms where engineering excellence, automation, and innovation come first.

🏢 Summary: Full-stack Developer role on a large-scale financial payments platform processing millions of global transactions. The position involves building and maintaining enterprise web applications using Java with Angular or React, focusing on performance, security, and scalability. You will design RESTful APIs, troubleshoot complex issues, and contribute to high-impact, globally distributed projects. 🗂️ Requirements: Bachelor’s Degree in Computer Science, Software Engineering or related field, 7+ years of full-stack development experience, Strong experience with Java and Angular or React, Experience designing and building RESTful APIs and web services, Solid understanding of HTTP, HTML, REST, JSON, Experience with full SDLC, Experience working with enterprise-scale web applications, Experience with Jira or ServiceNow, Experience with Splunk or similar log analysis tools 📃 Skills: Java, Angular, React, REST, HTTP, HTML, JSON, Jira, ServiceNow, Splunk, SDLC 🏢 Description: 📌 We’re looking for an experienced Full-stack Developer to join a fast-paced, high-impact project in the financial / payments domain. You’ll be working on a large-scale, globally distributed platform that processes millions of transactions and powers critical payment flows used worldwide. The project focuses on performance, security, and scalability, with strong engineering standards and modern technologies. 📍 This is a hybrid role with 4 days remote and 1 day in-office (Warsaw or Gdańsk). What you’ll do: Develop and maintain enterprise-scale web applications using modern tech stacks (Java + Angular or React) Design, build, and test RESTful APIs and web services Troubleshoot and perform root-cause analysis on complex issues Collaborate with global teams on concurrent projects in a fast-paced environment Ensure code meets security, performance, and scalability standards Work with ticketing systems (Jira, ServiceNow) and log retrieval tools (Splunk) What we’re looking for: Bachelor’s Degree in Computer Science, Software Engineering, or related field 7+ years of hands-on development experience with full lifecycle SDLC knowledge Solid understanding of web technologies (HTTP, HTML, REST, JSON) Proven ability to handle multitasking, deadlines, and complex projects A proactive mindset: embraces new technology, tight timelines, and parallel projects Strong interpersonal and facilitation skills with clear written & verbal communication Excellent planning, organizational, and problem-solving abilities What we offer: Hybrid work: 4 days remote + 1 day in Warsaw or Gdańsk office Work on large-scale, impactful projects in the finance/ payments industry Collaborate with distributed global teams Opportunity to grow and learn in a fast-paced, technology-driven environment ✅ Benefits: Work with modern technologies and international teams Long-term and stable cooperation Professional growth opportunities 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Full-stack Developer role on a large-scale, globally distributed payments platform processing millions of transactions. The position involves building and maintaining enterprise web applications with Java and Angular or React, focusing on performance, security, and scalability. Hybrid work model with collaboration across global teams in a fast-paced financial environment. 🗂️ Requirements: Bachelor’s Degree in Computer Science or related field, 7+ years of full-stack development experience, Strong experience with Java and Angular or React, Experience designing and building RESTful APIs, Solid understanding of HTTP, HTML, REST, JSON, Knowledge of full SDLC lifecycle, Experience with enterprise-scale web applications, Experience with Jira or ServiceNow, Experience with Splunk or log analysis tools 📃 Skills: Java, Angular, React, REST, HTTP, HTML, JSON, SDLC, Jira, ServiceNow, Splunk 🏢 Description: 📌 We’re looking for an experienced Full-stack Developer to join a fast-paced, high-impact project in the financial / payments domain. You’ll be working on a large-scale, globally distributed platform that processes millions of transactions and powers critical payment flows used worldwide. The project focuses on performance, security, and scalability, with strong engineering standards and modern technologies. 📍 This is a hybrid role with 4 days remote and 1 day in-office (Warsaw or Gdańsk). What you’ll do: Develop and maintain enterprise-scale web applications using modern tech stacks (Java + Angular or React) Design, build, and test RESTful APIs and web services Troubleshoot and perform root-cause analysis on complex issues Collaborate with global teams on concurrent projects in a fast-paced environment Ensure code meets security, performance, and scalability standards Work with ticketing systems (Jira, ServiceNow) and log retrieval tools (Splunk) What we’re looking for: Bachelor’s Degree in Computer Science, Software Engineering, or related field 7+ years of hands-on development experience with full lifecycle SDLC knowledge Solid understanding of web technologies (HTTP, HTML, REST, JSON) Proven ability to handle multitasking, deadlines, and complex projects A proactive mindset: embraces new technology, tight timelines, and parallel projects Strong interpersonal and facilitation skills with clear written & verbal communication Excellent planning, organizational, and problem-solving abilities ✅ What we offer: Hybrid work: 4 days remote + 1 day in Warsaw or Gdańsk office Work on large-scale, impactful projects in the finance/ payments industry Collaborate with distributed global teams Opportunity to grow and learn in a fast-paced, technology-driven environment 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Full-stack Developer role on a large-scale, globally distributed payments platform processing millions of transactions. The position involves building and maintaining enterprise web applications using Java and Angular or React, with strong focus on performance, security, and scalability. Hybrid work model with collaboration across global teams. 🗂️ Requirements: Bachelor’s Degree in Computer Science, Software Engineering or related field, 7+ years of full-stack development experience, Strong experience with Java and Angular or React, Experience designing and building RESTful APIs and web services, Solid understanding of HTTP, HTML, REST, JSON, Experience with full SDLC lifecycle, Ability to troubleshoot and perform root-cause analysis, Experience working with ticketing and log management tools 📃 Skills: Java, Angular, React, REST, HTTP, HTML, JSON, SDLC, Jira, ServiceNow, Splunk 🏢 Description: 📌 We’re looking for an experienced Full-stack Developer to join a fast-paced, high-impact project in the financial / payments domain. You’ll be working on a large-scale, globally distributed platform that processes millions of transactions and powers critical payment flows used worldwide. The project focuses on performance, security, and scalability, with strong engineering standards and modern technologies. 📍 This is a hybrid role with 4 days remote and 1 day in-office (Warsaw or Gdańsk). What you’ll do: Develop and maintain enterprise-scale web applications using modern tech stacks (Java + Angular or React) Design, build, and test RESTful APIs and web services Troubleshoot and perform root-cause analysis on complex issues Collaborate with global teams on concurrent projects in a fast-paced environment Ensure code meets security, performance, and scalability standards Work with ticketing systems (Jira, ServiceNow) and log retrieval tools (Splunk) What we’re looking for: Bachelor’s Degree in Computer Science, Software Engineering, or related field 7+ years of hands-on development experience with full lifecycle SDLC knowledge Solid understanding of web technologies (HTTP, HTML, REST, JSON) Proven ability to handle multitasking, deadlines, and complex projects A proactive mindset: embraces new technology, tight timelines, and parallel projects Strong interpersonal and facilitation skills with clear written & verbal communication Excellent planning, organizational, and problem-solving abilities What we offer: Hybrid work: 4 days remote + 1 day in Warsaw or Gdańsk office Work on large-scale, impactful projects in the finance/ payments industry Collaborate with distributed global teams Opportunity to grow and learn in a fast-paced, technology-driven environment 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: B2B contract for a Mid to Mid-Senior Java Backend Developer to work in a hybrid model on a high-impact financial/payments project. The role focuses on designing and developing microservices-based backend solutions using Java and Spring technologies, contributing to architecture, implementation, and continuous improvement within Agile teams. 🗂️ Requirements: 3+ years of professional experience in Java backend development, Proficiency in Java 8+ and Spring Boot, Experience building and consuming REST APIs, Experience designing and developing microservices, Knowledge of HTTPS, SFTP, REST and SOAP protocols, Experience with Git/GitHub, GitHub Actions, Maven and Jenkins, Experience with MySQL and SQL databases, Familiarity with Linux operating systems, Understanding of containerization, Knowledge of Agile methodologies 📃 Skills: Java, Spring, SpringBoot, REST, SOAP, HTTPS, SFTP, Microservices, Kafka, Git, GitHub, GitHubActions, Maven, Jenkins, Jira, MySQL, SQL, Linux, Docker, Agile 🏢 Description: Java Backend Developer We’re looking for an experienced Java Backend Developer to join a fast-paced, high-impact project in the financial / payments domain. Contract: B2B Work Mode: Hybrid 2/3 days from Warsaw office Qualifications • Minimum of 3+ years of relevant professional experience • Proficiency in JAVA 8+, building and consuming REST APIs, Spring Boot and Spring Technologies • Good knowledge in creating Microservices along with Kafka background. • Solid understanding of HTTPS, SFTP, REST API, and SOAP protocols • Familiarity with Linux operating systems • Strong grasp of microservices architecture and containerization • Knowledge of Agile frameworks and principles • Experience with Git/GitHub, GitHub Actions, Maven, Jenkins, and Jira • Competence with MySQL and SQL databases • Exceptional analytical and problem-solving abilities • Excellent written and verbal communication skills • Demonstrated ability to collaborate effectively with Product, Test, DevOps, and Agile/Scrum teams Mandatory Skills: • Java (Spring), REST APIs, Spring Boot and Spring Technologies • Solid understanding of HTTPS, SFTP, REST API, and SOAP protocols. • Strong grasp of microservices architecture and containerization • Experience with Git/GitHub, GitHub Actions, Maven, Jenkins, and Jira • Competence with MySQL and SQL databases Desired Skills: • Exceptional analytical and problem-solving abilities • Excellent written and verbal communication skills • Demonstrated ability to collaborate effectively with Product, Test, DevOps, and Agile/Scrum teams Years of exp needed: 3-4 years (Mid-Level) 5-7 Years (Mid-Senior) Roles and Responsibilities: The following items are in-scope for this Work Order. • Contribute to the technical design and engineering of applications. • Develop deep domain expertise. • Assist in analysing functional and technical requirements, including comprehensive architecture and design specifications. • Collaborate with Architecture and Business teams to deliver industry-leading solutions. • Participate daily in development, design, code review, and implementation activities. • Employ best practices and drive continuous improvement throughout the development lifecycle. The following items are out-of-scope for this Work Order: Create product requirement Work as a scrum master or product owner 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Senior Data-oriented SRE to design, build and operate a scalable data platform and core infrastructure for large-scale data processing in a cloud environment. The role focuses on developing distributed systems, ETL frameworks and production-grade services rather than individual pipelines. Long-term B2B contract, fully remote with NYC time zone overlap. 🗂️ Requirements: Senior experience in Data Platform Engineering or SRE, Strong software engineering skills with Python, Experience building ETL and stream processing frameworks, Hands-on experience with Kafka, Spark or Flink, Strong SQL knowledge and experience with relational or analytical databases, Production experience with AWS or GCP, Experience with Kubernetes and Linux in production, Experience managing large-scale distributed systems, Strong DevOps and automation skills 📃 Skills: Python, AWS, GCP, Kafka, Spark, Flink, Airflow, Prefect, SQL, MySQL, PostgreSQL, SQLServer, Snowflake, Redshift, Presto, Kubernetes, Linux, S3, GCS, EC2, GCE, IAM, Docker, ETL, DevOps 🏢 Description: 📍 Work mode: 100% Remote in NYC time zone (at least 5/6 hours of overlap with NYC) 🕒 Contract type: B2B 💼 Experience level: Senior 💰 Rate: 40-65 $ net + VAT / hour ⏳ Start date: ideally ASAP 📆 Project length: Long-term cooperation About the role: We are looking for a Data-oriented SRE to help build and operate the core infrastructure that powers our data ecosystem. This role focuses on building tools, services and frameworks for data engineers and data scientists , rather than developing individual ETL pipelines. You will work on the platform layer of the data stack , designing and maintaining distributed systems, data processing frameworks and the infrastructure that enables large-scale data processing. Job responsibilities: Build and run data platform using such technologies as public cloud infrastructure (AWS and GCP), Kafka, Spark, databases and containers Develop data platform based on open source software and Cloud services Build and run ETL tools and frameworks to onboard data into the platform, define schema, build DAG processing pipelines and monitor data quality. Help develop machine learning development framework and pipelines Manage and run mission crucial production services. Skills: Experience as Data Platform Engineering or SRE Strong software engineering experience and working with Python. Experience building ETL and stream processing tools and frameworks using Kafka, Spark, Flink, Airflow/Prefect, etc. Strong experience working with SQL and databases/engines such as MySQL, PostgreSQL, SQL Server, Snowflake, Redshift, Presto, etc. Experience with using AWS/GCP (S3/GCS, EC2/GCE, IAM, etc.), Kubernetes and Linux in production. Strong proclivity for automation and DevOps practices Experience with managing increasing data volume, velocity and variety Agile, self-starter and is focused on getting things done. Strong communicator Nice to have: Familiarity with data science stack: e.g. Jupyter, Pandas, Scikit-learn, Dask, Pytorch, MLFlow, Kubeflow, etc. Financial Services experience

🏢 Summary: Development role focused on building and maintaining a modern microservices-based payment processing platform in a high-volume environment. The position involves designing, implementing, and supporting Java-based services, ensuring scalability, reliability, and performance. Work is done in a hybrid model with strong emphasis on quality, testing, and production support. 🗂️ Requirements: Minimum 3 years of experience in similar role, Strong Java development experience, Knowledge of Spring Boot, Understanding of microservices architecture, Understanding of distributed systems, Experience with API design, Experience with at least some of the listed technologies, Ability to perform unit testing and code reviews, Fluent English 📃 Skills: Java, Spring, SpringBoot, Microservices, Kubernetes, OpenShift, Kafka, RabbitMQ, MongoDB, Oracle, SQL, REST, Groovy, Maven, Jenkins, Jira, Confluence 🏢 Description: About the Project Our client is a European payments organization undergoing a major digital transformation focused on modernizing its core transaction‑processing platform. The team is building a modern microservices‑based environment designed to increase scalability, reliability, and performance across high‑volume payment operations. Technology stack in use: Java 21 (Spring Boot 3), OpenShift / Kubernetes, Apache Kafka / Rabbit MQ for streaming and queuing, MongoDB, Oracle Database, multiple DevOps tools for development, automation and monitoring. Work mode: hybrid, 3-4 per week from Cracow office Key Responsibilities: ·       Design, develop and support testing payment services features together with the team. ·       Resolve issues by troubleshooting and root cause analysis and support in production issue analysis when needed. ·       Ensure high quality via unit testing and code reviews. ·       Demo and document the results of work in demo sessions. Required Experience & Skills: ·       At least 3 years on similar position ·       Technical knowledge in at least some of the technologies used is needed. ·       Java development skills are the most relevant. ·       Understanding of microservices architecture and distributed systems. ·       Familiarity with API design principles. ·       Fluent English Additional Valuable Skills: ·       Experience in designing and implementing high-throughput, low-latency systems capable of handling large data volumes ·       Groovy, Maven, Jenkins ·       Knowledge of the Card Processing domain ·       Documentation and use of Jira/Confluence ·       Excellent communication and coordination skills We offer Ongoing support from a dedicated agent who is caring about your project continuity, contact with clients, necessary formalities, work comfort, and development. Career Development Program – advice on career planning based on the latest trends and market needs in IT, including consultations with career agents and mentors. Access to 7N Learning & Development – a development and educational platform offering webinars, a library of articles and industry reports, and frequent invitations to both one-time and recurring events focused on technical, business, and lifestyle topics. Spectacular events, both for you (e.g., annual Kick-Off trip , Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g. family picnics), Professional growth Professional growth beyond your current project. You can actively engage in knowledge sharing through the 7N Services offering, designed for 7N clients. Connections and access to the expertise of top IT professionals in the market – the average professional tenure of our consultants in Poland is over 10 years, A complete benefits package, including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad

🏢 Summary: Lead Software Engineer role in the banking sector focused on delivering and modernizing the Global Disbursement Platform using Java and React technologies. The position involves leading a team, building and migrating microservices, and implementing automation within an Agile environment. Long-term B2B contract with hybrid work model and technical interview process. 🗂️ Requirements: Java 11+ expertise, Kubernetes experience, Proficiency in Git, Experience with Unix-based systems, SQL knowledge, Understanding of RESTful microservices, Experience with JavaScript and React, Team leadership experience, Senior-level system design experience, Fluent English 📃 Skills: Java, Kubernetes, Git, Unix, SQL, Oracle, REST, API, JavaScript, React, Spring, SpringBoot, HTTP 🏢 Description: 🌍Work mode: hybrid (preferably from Krakow or Warsaw): • People from Krakow and Warsaw - 6x per month in the office. • People outside of Krakow and Warsaw - 4-5x per month in the office. ⏰Start: ASAP/30 days. 📝Contract: B2B. ⚙️Recruitment process: technical interview 1h on zoom, live coding. ⏳Duration: >12 months contracts. 📕Project language: English. 💼Industry: Banking. 💻Workload: Full time. The Lead Software Engineer role aims to support the delivery of high-quality projects for the Global Disbursement Platform, enhancing business operations in financial transactions through effective analysis, Agile design, and stakeholder management. Main Responsibilities Team management. Building and supporting services, microservices, and applications (back-end & front-end) in Java 11/17/21 and ReactJS, while maintaining standard products. Migrating from mainframe and IBM WebSphere to modern integration approaches using APIs or microservices. Reducing testing costs by implementing automation testing frameworks. Increasing Straight-Through-Processing (STP) capabilities of services. Leading the India Team. Key Requirements: Perfect English skills. Java 11+ expertise (Java 17+ preferred). Kubernetes experience. Proficiency in Git. Fluency in Unix-based systems and command-line interfaces. Database technologies and SQL knowledge ( Oracle preferred). Understanding of RESTful microservices and APIs . Experience with HTTP web technologies, particularly JavaScript and React. Proven team leadership experience (leading POD / engineering team) Strong ownership and proactive approach to problem-solving and delivery Ability to work independently and drive initiatives , not only execute tasks High level of assertiveness in communication and technical discussions Solid senior-level technical experience in system design and complex environments Nice to Have: Experience in a DevOps delivery team. Understanding of application monitoring. Knowledge of Spring/Spring Boot. Other Details: Team Structure: Leading an India Team. Work Environment: Agile methodology. Technologies: Java, Kubernetes, APIs, SQL.