Backend Java Developer

🏢 Summary: Senior Java Developer role focused on developing and modernizing Java-based backend systems for pension and savings products within a financial environment. The position involves upgrading applications to Java 17+ and Spring Boot 3, building scalable and compliant financial solutions, and implementing complex integrations and calculation engines. Work includes full SDLC participation in an international, hybrid setting. 🗂️ Requirements: Strong proficiency in Java, Experience with Spring framework, Experience with Hibernate, Experience with relational databases, Advanced SQL knowledge, Experience with PostgreSQL, Experience with OpenAPI, Experience with AsyncAPI, Experience with Git, Experience with CI/CD pipelines, Knowledge of software design patterns, Understanding of object-oriented programming, Experience upgrading to Java 17+, Experience with Spring Boot 3.x 📃 Skills: Java, Spring, SpringBoot, Hibernate, PostgreSQL, SQL, OpenAPI, AsyncAPI, Git, CICD, JMS, MQ 🏢 Description: Salary: 1100-1300 PLN/day on B2B Work model: hybrid from Gdynia / Gdańsk / Warszawa (3 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Project The project focuses on the development and enhancement of Java-based backend applications supporting pension and savings products. The Senior Java Developer will be responsible for building and improving solutions related to taxation, account management, and investment processing . The role involves working on scalable, secure financial systems that ensure high reliability and regulatory compliance. Responsibilities you'll have Support the upgrade of existing applications to Java 17 (at least) and Spring Boot 3.3.x, contributing experience from similar modernization initiatives Design, develop, and maintain high-quality Java applications supporting savings and investment products Build robust calculation engines that ensure compliance with current tax regulations across multiple countries Implement solutions for complex business processes, including integrations with tax authorities and generation of customer-facing reports Participate in the full software development lifecycle including requirements analysis, design, coding, testing, and deployment Collaborate with financial analysts to translate requirements into technical solutions Expected competences and knowledge Strong proficiency in Java and related frameworks (Spring, Hibernate, etc.) Experience with relational databases and SQL (PostgreSQL, etc.) Knowledge of OpenAPI and AsyncAPI for producing and consuming data Familiarity with version control systems (Git) and CI/CD pipelines Understanding of software design patterns and object-oriented programming principles Technologies you'll work with Java 17, 21 Spring Boot Hibernate Postgres SQL Messaging protocols (e.g. JMS, MQ) SQL OpenAPI AsyncAPI Git CI/CD Client – why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture , which is conducive to people who place emphasis on work-life balance and feedback culture . Furthermore, all projects are executed in international teams, giving constant exposure to the English language. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

🏢 Summary: B2B Java Developer role in a financial project focused on rebuilding and modernizing collateral data streams within a Data Products initiative aligned with Data Mesh principles. The position involves designing and developing Java-based data solutions, collaborating with cross-functional teams, and supporting code reviews in an international banking environment. Hybrid work model with strong emphasis on modern development practices and scalable data solutions. 🗂️ Requirements: Minimum 5 years of Java development experience, Experience building and maintaining REST APIs, Experience with Git version control, Experience working in Agile/Scrum environment, Experience with CI/CD pipelines, Participation in code reviews and peer reviews, Fluent English (spoken and written), Ability to work in distributed teams 📃 Skills: Java, REST, Git, Agile, Scrum, CI/CD, DataMesh 🏢 Description: Salary: 1000 - 1200  PLN/day on B2B Work model: hybrid from Gdynia / Gdańsk / Warszawa / Łódź (2/3 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Project You will be involved in a financial project focused on rebuilding and modernizing collateral data streams within a Data Products initiative. The project follows Data Mesh principles and aims to improve the quality, scalability, and accessibility of data products across the organization. You will work closely with cross-functional teams to design, develop, and analyze data solutions that support critical business processes in the banking and financial services domain. Responsibilities you'll have Developing and maintaining Java-based solutions within Data Products initiatives Rebuilding and enhancing collateral data streams following Data Mesh principles Collaborating with cross-functional teams to deliver high-quality solutions Participating in code reviews and supporting technical discussions as a sparring partner Expected competences and knowledge Minimum 5 years of hands-on experience in Java development Strong collaboration and communication skills with the ability to work effectively in distributed teams Experience working according to the four-eyes principle and participating in peer reviews Ability to adapt quickly to changing business and technical requirements Fluency in spoken and written English Proactive mindset and willingness to support and engage colleagues in technical discussions Experience in the banking or financial services industry will be considered an advantage Technologies you'll work with Java REST APIs Git Agile / Scrum methodologies CI/CD tools Modern software development and code review practices Client – why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture , which is conducive to people who place emphasis on work-life balance and feedback culture . Furthermore, all projects are executed in international teams, giving constant exposure to the English language. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

🏢 Summary: Backend Developer role focused on maintaining and enhancing an existing Java-based system, ensuring stability and working with a legacy codebase in an Agile environment. The position involves designing backend services, developing REST APIs, and supporting ongoing system maintenance. Hybrid work model with collaboration in international teams. 🗂️ Requirements: Experience with Java 7/8, Experience with Maven, Experience designing backend services, Experience developing REST APIs, Ability to write unit tests, Experience working with legacy codebase, Experience working in Agile environment, Fluency in English, Experience with version control systems 📃 Skills: Java, Maven, JSP, Git, REST, Agile, UnitTesting 🏢 Description: Salary: 1000-1200 PLN/day on B2B Work model: hybrid from Gdańsk / Warszawa / Łódź (2/3 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Project You will join a team working on an existing system that requires ongoing maintenance and support . The current focus is on ensuring system stability, maintaining functionality, and working with a legacy codebase. Work is carried out in an Agile environment, with a strong emphasis on collaboration and code quality. Responsibilities you'll have Designing and implementing backend services based on given specifications Developing and maintaining REST APIs Writing and maintaining unit tests Working with and analyzing legacy codebase Contributing to the ongoing maintenance and stability of the existing system Collaborating in an Agile environment Using version control and supporting development workflows Expected competences and knowledge Experience with Java 7/8 Experience with Maven Experience in designing and implementing backend services Experience in writing REST APIs Willingness to work with and analyze legacy systems Experience working in an Agile environment Good communication skills Fluency in English Technologies you'll work with Java 7/8 Maven JSP Git REST APIs Client – why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture , which is conducive to people who place emphasis on work-life balance and feedback culture . Furthermore, all projects are executed in international teams, giving constant exposure to the English language. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

🏢 Summary: B2B contract role for a Front-End Developer in a financial project focused on building and maintaining modern Angular applications consuming REST APIs. The position involves developing user-friendly solutions, integrating with data processing systems, and collaborating within an international team. Hybrid work model with strong emphasis on code quality and application optimization. 🗂️ Requirements: Experience with Angular Framework, Strong knowledge of TypeScript, Strong knowledge of JavaScript, Experience working with REST APIs, Expertise in Hadoop, Expertise in MapReduce, Ability to analyze and debug applications, Experience in data processing, Ability to optimize and reuse existing code, Experience working in software development teams 📃 Skills: Angular, TypeScript, JavaScript, REST, Hadoop, MapReduce 🏢 Description: Salary: 600-900 PLN/day on B2B Work model: hybrid from Gdynia / Gdańsk / Warszawa / Łódź (3 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Project You will be involved in a financial project focused on developing and maintaining modern front-end applications that consume REST APIs, supporting business processes and delivering user-friendly solutions for financial stakeholders. Responsibilities you'll have Designing, creating and maintaining front-end applications to consume REST APIs Writing code in accordance with application requirements Working as a member of a software development team to ensure high-quality standards Explaining complex technical topics in a clear, simple way for non-technical audiences Debugging and troubleshooting applications Making suggestions for enhancements to application procedures and infrastructure Collaborating effectively across teams and contributing to a positive work environment Building strong relationships and maintaining trust with team members and business stakeholders Expected competences and knowledge Experience with Angular Framework Strong TypeScript and JavaScript knowledge Expertise in Hadoop and MapReduce Strong communication skills Team player mindset with proven collaboration skills Ability to analyze and debug applications effectively Experience in working with REST APIs and data processing Capability to reuse and optimize existing code Proactive approach to improving processes and solutions Technologies you'll work with Angular Framework TypeScript JavaScript REST API Hadoop MapReduce Client – why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture , which is conducive to people who place emphasis on work-life balance and feedback culture . Furthermore, all projects are executed in international teams, giving constant exposure to the English language. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

🏢 Summary: B2B role for a Senior Java Developer to build a greenfield Straight-Through Processing (STP) lending platform focused on automated, scalable end-to-end loan processing. The position involves designing and developing a modern backend system with event-driven architecture and multiple integrations. You will influence architectural decisions and technology choices while working in an Agile, international environment. 🗂️ Requirements: 5+ years of experience as Java Developer, Strong experience with Java 21+, Hands-on experience with Spring Boot, Deep knowledge of JPA/Hibernate, Experience designing and building REST APIs, Experience with Kafka and event-driven architecture, Experience with relational databases and database design, Experience with Maven, Experience with Liquibase or similar versioning tools, Understanding of clean architecture and design principles, Experience working in Agile environment, Ability to work in English-speaking team 📃 Skills: Java, Spring, SpringBoot, JPA, Hibernate, Kafka, REST, Maven, Liquibase, SQL, PostgreSQL, Oracle, Git, Cucumber, Copilot, Agile 🏢 Description: Salary: 1000-1400 PLN/day on B2B Work model: elastic hybrid from Gdańsk/ Gdynia (2 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Project You will be involved in a financial project focused on building a modern Straight-Through Processing (STP) Lending platform , designed to support end-to-end loan processing in a highly automated and scalable way. The system will play a central role in the lending ecosystem, integrating with multiple internal and external services, ensuring efficient data flow and real-time event processing. As this is a greenfield initiative, you will have a direct impact on architectural decisions, technology choices, and development standards, helping to shape a robust backend platform from the ground up. Responsibilities you'll have Designing and developing scalable backend services using Java and Spring Boot Building and maintaining REST APIs for integration with external and internal systems Implementing event-driven architecture using Kafka Designing and managing persistence layers with JPA and relational databases Managing database schema evolution using Liquibase Collaborating closely with Product Owner and Business SMEs to refine requirements Writing clean, maintainable, and testable code following best engineering practices Leveraging AI-assisted tools (e.g., GitHub Copilot) to improve development efficiency Participating in Agile ceremonies and contributing to continuous improvement Ensuring high code quality through testing, code reviews, and best practices Expected competences and knowledge 5y+ of experience as Java Developer Strong experience in Java ( Java 21+) with solid understanding of backend development Extensive hands-on experience with Spring Boot framework Deep knowledge of JPA/Hibernate and database design principles Experience in building RESTful APIs and integrating distributed systems Understanding of event-driven architectures ( Kafka ) Familiarity with Maven for build and dependency management Experience with Liquibase or similar tools for database versioning Good understanding of clean architecture and software design principles Experience working in Agile environments Strong communication skills and ability to work in an English-speaking team Nice to have: experience with Cucumber for BDD testing Technologies you'll work with Java 21+ Spring Boot JPA / Hibernate Apache Kafka REST APIs Maven Liquibase Relational databases (e.g., PostgreSQL, Oracle) GitHub Copilot (AI-assisted development) Cucumber (optional, for testing) Client – why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture , which is conducive to people who place emphasis on work-life balance and feedback culture . Furthermore, all projects are executed in international teams, giving constant exposure to the English language. About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy.

🏢 Summary: Full Stack Developer role in the payment domain focused on building and scaling high-performance, distributed financial applications using Java and Angular. The position involves developing robust backend services, REST APIs, and modern frontend solutions, with strong emphasis on reactive programming, automated testing, and CI/CD practices. The project operates in an international environment with hybrid work model. 🗂️ Requirements: Minimum 5 years of experience as Full Stack Developer, Strong experience with Java, Strong experience with Spring Boot, Experience with reactive programming (e.g. RxJava), Solid knowledge of Angular or AngularJS, Experience with TypeScript, Experience in REST API development, Hands-on experience with unit testing, Experience with test automation frameworks (e.g. Cucumber), Experience with build tools and CI/CD pipelines 📃 Skills: Java, SpringBoot, Angular, AngularJS, TypeScript, RxJava, REST, Cucumber, CI/CD, UnitTesting, ReactiveProgramming 🏢 Description: Salary: 1000 - 1300 PLN/day on B2B Work model: hybrid from Gdynia / Gdańsk / Warszawa / Łódź (3 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Project You will be involved in a dynamic project within the payment domain, focused on building and scaling modern, high-performance financial applications. The team works on developing robust, distributed systems with an emphasis on reliability, scalability, and seamless user experience. Responsibilities you'll have Design, develop, and maintain full stack applications using Java and Angular Build and enhance backend services using Spring Boot and reactive programming (e.g. RxJava) Create and maintain RESTful APIs for seamless system integration Actively participate in application testing to prevent QA bottlenecks during high delivery periods Contribute to automated testing using unit tests and frameworks such as Cucumber Collaborate closely with cross-functional teams to improve performance and delivery flow Work with build tools and CI/CD pipelines to streamline development processes Expected competences and knowledge Minimum 5 years of experience as a Full Stack Developer Strong experience with Java and Spring Boot Experience with reactive programming approaches and libraries (e.g. RxJava) Solid knowledge of Angular/AngularJS and TypeScript Experience in REST API development Hands-on experience with unit testing and test automation Familiarity with automation frameworks (e.g. Cucumber) Strong problem-solving skills and engineering mindset Excellent communication skills and ability to work in a team Experience in the payment domain is a plus Technologies you'll work with Java, Spring Boot Angular / AngularJS, TypeScript RxJava (or similar reactive libraries) REST APIs Cucumber and test automation tools Build tools and CI/CD solutions Client – why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture , which is conducive to people who place emphasis on work-life balance and feedback culture . Furthermore, all projects are executed in international teams, giving constant exposure to the English language. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

🏢 Summary: Hybrid B2B opportunity in Gdańsk for a QA Automation Engineer supporting a financial fraud monitoring and alerting project across payment and card channels. The role combines automated and manual testing, test planning, and quality assurance activities using Java-based testing frameworks and modern automation tools. The project involves collaboration in an international environment with a focus on structured testing and release quality. 🗂️ Requirements: Strong Java testing proficiency, Experience with Java testing frameworks, Knowledge of relational databases, Experience with Linux environments, Ability to design UI test automation, Ability to design backend test automation, Experience maintaining automated tests, Test planning experience, Test analysis and design skills, Test data preparation skills, Test execution across testing layers, Readiness to perform manual testing, Quality assurance experience for release cycles 📃 Skills: Java, Selenium, Playwright, Robot, Jmeter, Qtest, Splunk, Grafana, Cucumber, Linux, SQL, GitHub 🏢 Description: Salary: 900 - 1100 PLN/day on B2B Work model: hybrid from Gdańsk (2/3 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Project You will be involved in a financial project focused on ensuring that the following activities are conducted in an efficient and well-documented way, that is , working according to the latest version of the test strategy. The initiative focuses on delivering fraud monitoring and alerting across multiple channels, including card transactions and payment flows. The solution combines vendor‑provided platforms with in‑house integrations designed to support investigators in identifying, analyzing, and preventing fraudulent activities. Responsibilities you'll have Test automation, test planning, and test analysis and design to ensure structured and efficient validation of system functionality The role also covers test data preparation and test execution across different testing layers Performing manual testing when needed to complement automated coverage Expected competences and knowledge Java testing — strong proficiency in Java and testing frameworks within the Java ecosystem Java ecosystem knowledge — experience working with relational databases and Linux-based environments UI and backend test automation — ability to design, implement, and maintain automated tests across both frontend and backend layers Manual testing support — readiness to perform manual testing when needed to ensure full coverage Quality assurance for release train — responsibility for executing tests and maintaining high quality standards throughout the release cycle Test planning Nice-to-have knowledge and experience Robot Framework or Playwright experience GitHub Copilot experience will be significant plus Knowledge of Payments, Cards or Fraud testing and its test automation familiarity Technologies you'll work with Java Selenium Playwright Robot Framework Jmeter Qtest Splunk and Grafana for functionality and performance monitoring, cucumber Client – why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture , which is conducive to people who place emphasis on work-life balance and feedback culture . Furthermore, all projects are executed in international teams, giving constant exposure to the English language. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

🏢 Summary: Senior Test Automation Engineer role in a hybrid model, focused on API and UI testing within a Scrum team in an international financial environment. The position involves building and maintaining automated test suites using Python and Robot Framework, contributing to quality improvement initiatives. The offer includes flexible work organization and exposure to English in daily collaboration. 🗂️ Requirements: 5+ years of experience in test automation, Strong Python skills, Experience in RESTful API testing, Experience in UI testing, Practical expertise with Robot Framework, Familiarity with Jenkins, Familiarity with Git, Familiarity with Docker, Familiarity with Kubernetes, Knowledge of software testing processes (manual and automated), ISTQB Foundation Level knowledge or equivalent QA experience, Fluent written and spoken English 📃 Skills: Python, Robot, Framework, REST, API, UI, Jenkins, Git, Docker, Kubernetes, Scrum, DevOps, ISTQB 🏢 Description: Salary: 800-1100 PLN/day on B2B Work model: hybrid from Gdynia / Gdańsk / Warszawa / Łódź (3 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Responsibilities you'll have Work closely within a Scrum team alongside developers, analysts, and stakeholders to ensure high-quality product delivery Test and validate RESTful APIs Test and validate UI of the Developer Portal Analyze requirements from a testing perspective Plan, design, and execute test cases Build and maintain automated test suites using Python and Robot Framework Prepare and deliver test reports and results Actively participate in testing team activities and contribute to quality improvement initiatives across the organization Expected competences and knowledge 5+ years of experience in test automation Strong Python skills for test automation development Proven experience in RESTful API testing Hands-on experience with UI testing Practical expertise with Robot Framework Familiarity with DevOps tools such as Jenkins, Git, Docker, Kubernetes (K8s) Understanding of software testing processes (manual and automated) ISTQB Foundation Level knowledge or equivalent practical QA experience Strong written and spoken communication skills in English Technologies you'll work with Python Robot Framework Jenkins Git Docker Kubernetes Client – why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture , which is conducive to people who place emphasis on work-life balance and feedback culture . Furthermore, all projects are executed in international teams, giving constant exposure to the English language. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

🏢 Summary: Hybrid B2B role for a Python developer focused on building scalable applications, APIs, microservices, and AI-driven data transformation solutions in an international financial environment. The position involves developing integrations, CI/CD pipelines, and automation solutions using modern cloud and AI technologies. Candidates will collaborate closely with product and architecture teams while working with data enrichment, LLMs, and enterprise systems. 🗂️ Requirements: Advanced Python development, Advanced Flask or similar framework knowledge, Advanced REST API knowledge, Intermediate LLM experience, Intermediate Docker experience, Intermediate JavaScript knowledge, Intermediate PostgreSQL knowledge, SQLAlchemy knowledge, Experience with CI/CD pipelines, Experience with Git, Ability to write tests with pytest, Experience with data integrations and transformation, English communication skills, Hybrid availability in Gdynia, Gdańsk, Warszawa, or Łódź 📃 Skills: Python, Flask, REST, LLM, Docker, JavaScript, PostgreSQL, SQLAlchemy, React, CSS, SCSS, pytest, CI/CD, Git, TypeScript, Redux, Zustand, SharePoint, Artifactory, JFrog, Kubernetes, AWS 🏢 Description: Salary: 1100-1300 PLN/day on B2B Work model: hybrid from Gdynia / Gdańsk / Warszawa / Łódź (2/3 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Project We are looking for a forward leaning developer to work closely with Product Owners, Solution Architects and Analysts to refine epics, user stories and business requirements into technical design and working software, with high development standards and to implement some of the industry best practices. Key topics in scope include data transformation as well as AI driven data enrichment, where the overall solution objective is to overlook that all parties involved act according to rules and regulations. And importantly, that this is done as efficiently as possible using modern ways of automation, including but not limited to AI. This involves building data integrations and data transformation logic, reading from and writing to various databases and APIs, securing data completeness and data reconciliations, building microservices and deployment pipelines, and utilizing LLMs both in the actual solutions (e.g. data enrichment) and for support in your role as developer. Responsibilities you'll have Develop and maintain scalable applications, APIs, and microservices using Python and modern frameworks. Collaborate with Product Owners, Architects, and Analysts to transform business requirements into technical solutions. Build and optimize data integrations, transformation processes, and AI-powered data enrichment capabilities. Ensure data quality, consistency, and reliability across databases, APIs, and enterprise systems. Develop and maintain CI/CD pipelines, automated tests, and deployment processes. Support the adoption of AI, automation, and engineering best practices to improve business processes and software quality. Work closely with stakeholders in an international environment to deliver efficient and innovative solutions. To succeed in this role, we believe that a candidate: is a team player who enjoys collaboration in a multicultural environment has a genuine interest to learn and develop within the area is appreciated for your positive approach and ability to turn challenges in to opportunities is good at engaging stakeholders at different levels is a skilled engineer at heart with passion for developing solutions and take pride in seeing your efforts paying off in form of a great business application Expected competences and knowledge Advanced knowledge in Python development and configuration Advanced knowledge of Flask (or similar) frameworks Advanced knowledge of REST APIs Intermediate LLM experience Intermediate Docker experience Intermediate JavaScript experience Intermediate knowledge of PostgreSQL and SQLAlchemy Familiarity with React Familiarity with CSS and SCSS Ability to write tests (preferably with pytest) Experience with CI/CD and creating pipelines Experience with Git Technologies you'll work with Experience with AI tooling Familiarity with TypeScript Familiarity with web components Familiarity with Redux/Zustand Experience with SharePoint API Experience with Artifactory (JFrog) Experience with Kubernetes Experience with cloud services (AWS) Client – why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture , which is conducive to people who place emphasis on work-life balance and feedback culture . Furthermore, all projects are executed in international teams, giving constant exposure to the English language. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

🏢 Summary: Backend Java Developer role in a financial project modernizing corporate digital banking and building a new online banking platform. The position focuses on developing APIs and backend services within microservice and monolithic architectures using DDD and reactive programming. Work involves delivering scalable, resilient banking solutions in an Agile international environment. 🗂️ Requirements: 6+ years of commercial experience in Java development, Experience building REST APIs, Experience with microservices architecture, Practical knowledge of Spring and Hibernate, Strong SQL knowledge, Experience with reactive programming, Understanding of distributed systems, Knowledge of SOLID principles and design patterns, Understanding of DDD and Port-Adapter architecture, Experience with Git, Experience with Cucumber, Experience working in Agile or SAFe, English proficiency for daily communication 📃 Skills: Java, Spring, SpringBoot, Hibernate, SQL, REST, Microservices, Reactor, WebFlux, Git, Cucumber, DDD, SAFe, Angular, Jasmine 🏢 Description: Salary: 1000-1200 PLN/day on B2B Work model: hybrid from Gdynia / Gdańsk / Warszawa / Łódź (2-3 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Project You will be involved in a financial project focused on modernizing corporate digital banking services and building a new online banking platform for corporate customers . The project aims to replace a legacy corporate netbanking system with a modern digital channel that improves payments, account management, liquidity overview, employee administration, and permissions management . The environment includes both microservice and monolithic architectures , with a strong focus on API development, Domain-Driven Design (DDD), reactive programming, and resilient system architecture . Responsibilities you'll have Developing and enhancing backend services and APIs for corporate banking solutions Building new features that modernize banking services related to accounts, payments, file transfers, and international/local financial services Maintaining and improving systems within microservice and monolithic architectures Collaborating with developers, product owners, architects, analysts, and QA teams to deliver business solutions Implementing scalable and resilient solutions using DDD, port-adapter architecture, and reactive programming Supporting maintenance, compliance, and continuous improvement of essential banking services Expected competences and knowledge Strong hands-on experience in Java development (preferably 6+ years) Experience in building API solutions and working with REST services Familiarity with reactive programming and distributed systems Practical knowledge of Spring, Hibernate, SQL, Microservices, Git, and Cucumber Understanding of SOLID principles, design patterns, and clean architecture concepts (DDD / Port-Adapter) Experience working in Agile/SAFe environments and strong English communication skills Technologies you'll work with Java Spring Framework / Spring Boot Hibernate SQL REST APIs & Microservices Reactive Programming (e.g., Reactor/WebFlux) Git Cucumber Angular (basic frontend exposure, nice to have) Jasmine (nice to have) Client – why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture , which is conducive to people who place emphasis on work-life balance and feedback culture . Furthermore, all projects are executed in international teams, giving constant exposure to the English language. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.