Software Developer Fullstack (EU Public)

🏢 Summary: Software Developer role supporting the development, consulting, and maintenance of IT systems for an EU border-management agency. The position covers enterprise software design and delivery across data, business logic, and UI layers, plus technical leadership, release management, testing, and advanced support. 🗂️ Requirements: Bachelor’s degree in an ICT field, Advanced software-development certification or internationally recognized equivalent, 6+ years of relevant IT experience, 3+ years in a similar software-development role or project profile, Experience with SIS integration, fingerprint scanning in NIST format, MRZ document scanning, or RFID biometric-document scanning, Experience delivering ICT solutions on Red Hat OpenShift, Completion of a full solution lifecycle from analysis through deployment, Enterprise software-development expertise, UML application-design proficiency, Data-layer and business-logic-layer design and development experience, UI-layer design and development experience with HTML and CSS, Scrum experience, Technical-team leadership and technical documentation ability, English at B2 level or higher, Availability to work on-site in Warsaw 5 days per month 📃 Skills: Java, Angular, ICT, SIS, NIST, MRZ, RFID, OpenShift, UML, HTML, CSS, Scrum 🏢 Description: Project Development, consulting, and support of IT systems for an EU agency dedicated to European border management. The agency supports EU Member States and Schengen-associated countries in managing external borders and fighting cross-border crime. Our expectations - At least a Bachelor's degree in an ICT field is mandatory. - At least 1 advanced-level certificate in a software development technology domain, or an equivalent internationally recognized certification. - Minimum 6 years of IT-relevant professional experience, including at least 3 years in a similar role or project profile. - Hands-on experience as a Software Developer, or in a similar role, in projects involving ICT solutions that queried or integrated with the Schengen Information System (SIS), or enabled fingerprint scanning (NIST format), document scanning (MRZ), or biometric document scanning (RFID chip data). - Experience as a Software Developer, or in a similar role, in projects focused on the analysis, design, implementation, and deployment of an ICT solution using Red Hat OpenShift as the main platform. - Completion of at least 1 full solution lifecycle from analysis to deployment. - Expertise in developing enterprise-level software systems. - Proficiency in UML and application design using UML. - Hands-on proficiency in designing and developing the data layer and business logic layer. - Strong proficiency in designing and developing the UI layer, including HTML and CSS. - Proven experience with Scrum development methodology. - Ability to lead technical teams, set standards, solve complex technical problems, and create clear technical documentation. - English proficiency at a minimum B2 level. - Openness to work on-site 5 days per month in Warsaw. Key tasks - Design, develop, and prototype enterprise-level software systems across all layers: data layer, business logic layer, and UI layer, with a focus on HTML/CSS. - Lead technical development teams, set software development standards, and estimate project effort and time. - Translate business requirements into architectural design using UML and produce clear technical documentation. - Optimize software performance, security, and quality while collecting and interpreting software metrics. - Manage software configuration and releases; participate in requirements analysis, testing, QA, change management, and deployment. - Test solutions, build testing tools, and provide 2nd- and 3rd-line technical support.

🏢 Summary: Full-stack SharePoint Developer role focused on developing, supporting, and optimizing IT systems for Frontex. The position involves backend, frontend, and cloud development, technical documentation, software lifecycle ownership, and support activities in an enterprise environment. Candidates should have strong SharePoint, .NET, React, and Azure DevOps experience and be comfortable contributing to architecture, QA, deployment, and team leadership tasks. 🗂️ Requirements: Bachelor’s degree in ICT or related field, Minimum 2 years of experience in Full-stack SharePoint support or development, Experience with custom SharePoint solutions, SDK, workflows, timer jobs, and features, Knowledge of Microsoft .NET/.NET Core, Experience with MS SQL Server and T-SQL, Experience with Azure DevOps pipelines, Knowledge of HTML and CSS responsive design, Experience with JavaScript, TypeScript, and React, Knowledge of REST, HTTP APIs, and Web Services, Understanding of UML application design, Experience working with Scrum methodologies, Experience with full-tier development, Advanced enterprise software development skills, Experience delivering at least one solution through the full software lifecycle, Strong problem-solving and technical documentation skills, Intermediate-level software development certification, English proficiency at B2 level or higher, Availability to work from the client’s office at least 5 times per month 📃 Skills: SharePoint, .NET, SQL, T-SQL, Azure, DevOps, HTML, CSS, JavaScript, TypeScript, React, REST, HTTP, UML, Scrum 🏢 Description: About the project Join an innovative environment and turn ambitious ideas into reality together with Britenet. We are a European IT company with strong Polish roots, already trusted by more than 200 business partners from all over the world. We're looking for an experienced developer who combines both SharePoint and frontend skills. This time you have the chance to be part of a project related to the development, consulting and support of IT systems for Frontex. The European Border and Coast Guard Agency supports EU Member States and Schengen-associated countries in the management of the EU's external borders and the fight against cross-border crime. Our expectations -Bachelor’s degree in ICT or a related field. -Minimum 2 years in a Full-stack SharePoint support or developer role (custom solutions, SDK, workflows, timer jobs, features, etc.). -Knowledge and experience with: Backend & Cloud: Microsoft .NET/.NET Core, MS SQL Server (T-SQL), and Azure DevOps pipelines. Frontend: HTML/CSS (responsive design), JavaScript/TypeScript (ES6+ features like arrow functions and destructuring), and React. APIs: Web Services, REST, and HTTP APIs. Architecture & Design: UML application design, Scrum methodologies, and full-tier development (data, business logic, and UI layers). -Advanced in developing enterprise-level software systems. -Proven experience taking at least one solution through its complete lifecycle. -Strong problem-solving, effective technical documentation, and an openness to technical team leadership tasks. -Certification: At least one intermediate-level software development certification relevant to the domain (or international equivalent). -Proficiency in English at a minimum B2 level (certification is an advantage). -Readiness to work from the client's office occasionally – at least 5 times per month Key tasks -Design and develop the system -Translate requirements into design -Optimize software from performance, security and quality points of view -Produce technical documentation -Estimate effort and time for development -Set software development standards -Propose technical solutions for business needs and technical problems -Collect and interpret software metrics -Contribute to: requirements analysis, testing, quality assurance, change management, deployment, leading teams, configuration, releases management -Act as 2nd and 3rd line support

🏢 Summary: Long-term remote Software Developer (.NET + BI) contract supporting a European Union organization, focused on enterprise business intelligence solutions. The role combines hands-on system design and development with technical leadership, solution documentation, release management, testing, and advanced support. The offer includes a rate of 215 PLN net + VAT per hour and co-financed medical and sports packages. 🗂️ Requirements: Minimum 4 years of professional IT experience, Bachelor’s or engineering degree in IT, Completion of at least one full software solution lifecycle, Enterprise software development expertise, UML application design proficiency, Data, business-logic, and UI layer design and development experience, Scrum experience, Technical team leadership capability, Technical solution documentation skills, Intermediate software-development certification or internationally recognized equivalent, Software Developer experience on at least 2 Microsoft BI or similar solution projects, In-depth knowledge of physical databases, SQL, BI, reporting, ETL, data modelling, OLAP, and data mining, Minimum 3 years of Microsoft Power BI or similar BI tool experience, Minimum 5 years of .NET experience, EU citizenship, Ability to work from Poland 📃 Skills: .NET, PowerBI, SQL, UML, Scrum, ETL, OLAP, BI, Databases, Reporting, Modelling, Mining, Testing 🏢 Description: Software Developer (.NET + BI)

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🏢 Summary: Remote, long-term B2B contract for an experienced .NET Software Developer supporting a European Union organization. The role covers enterprise-system design and development, technical leadership, solution architecture, quality optimization, releases, testing, and 2nd/3rd-line support. Rate: 215 PLN net + VAT per hour. 🗂️ Requirements: Completed at least one full solution lifecycle, Expertise in enterprise-level software development, UML application design, Data, business-logic and UI-layer design and development, Scrum experience, Technical team leadership capability, Technical-solution documentation skills, Problem-solving skills, At least 2 years of experience with mission-critical complex enterprise systems, Experience with asset and/or human-resources management and financial-management systems, At least one internationally recognized intermediate software-development certification relevant to the domain 📃 Skills: .NET, UML, Scrum, Enterprise, Testing, Prototyping, Configuration, Deployment 🏢 Description: We are looking for an experienced Software Developer .NET (m/f/n) to support a long-term project delivered for an organization of the European Union. Requirements - Has gone at least one time through the complete lifecycle of a solution - Expert in developing enterprise-level software systems in the specified technology domain - Knows UML and can design applications in UML - Proficient in designing and developing data, business logic, and UI layers - Worked in Scrum development - Capable of leading technical teams - Able to document technical solutions effectively - Strong problem-solving skills Specific requirements - At least 2 years of experience with mission-critical, complex enterprise systems, including asset and/or human-resources management and financial management - At least one certification: an intermediate-level software-development certificate relevant to the domain, or an equivalent internationally recognized certification accepted by the Contracting Authority Typical tasks and responsibilities - Design and develop the system - Lead development teams - Translate requirements into design - Optimize software for performance, security, and quality - Produce technical documentation - Estimate development effort and time - Set software-development standards - Propose technical solutions for business needs and technical problems - Collect and interpret software metrics - Manage configuration and releases - Contribute to requirements analysis, testing, quality assurance, change management, and deployment - Test solutions and develop testing tools - Document developments - Prototype solutions - Act as 2nd- and 3rd-line support Offer - Rate: 215 PLN net + VAT per hour - Remote setup

🏢 Summary: Senior Test Engineer role focused on defining testing strategies, managing complex enterprise system testing, and supporting IT systems for Frontex. The position involves planning and executing comprehensive testing activities, maintaining test environments, and collaborating with cross-functional teams using Azure DevOps and SharePoint-based applications. 🗂️ Requirements: 5+ years of experience as a Test Engineer or similar role, 4+ years of relevant project experience, Bachelor's degree or equivalent professional experience, ISTQB Advanced Certification or equivalent certification or 3 additional years in test management, Experience in unit, integration, functional, performance, stress, acceptance, and regression testing, Experience designing and maintaining test environments, Experience testing complex enterprise systems, Experience with test management tools, Experience creating test documentation, Experience planning and leading testing activities, Experience with Azure DevOps Test Plans, SQL query writing and execution skills, Experience testing SharePoint-based applications, Knowledge of SDLC and software development processes, Strong analytical and problem-solving skills, Excellent communication and documentation skills 📃 Skills: ISTQB, Azure, DevOps, SQL, SharePoint, SDLC, Testing 🏢 Description: About the project Join an innovative environment and turn ambitious ideas into reality together with Britenet. We are a European IT company with strong Polish roots, already trusted by more than 200 business partners from all over the world. This time you have the chance to be part of a project related to the development, consulting and support of IT systems for Frontex. The European Border and Coast Guard Agency supports EU Member States and Schengen-associated countries in the management of the EU's external borders and the fight against cross-border crime Our expectations Minimum 5 years of IT professional experience as a Test Engineer or in a similar testing role. Minimum 4 years of project experience relevant to the role or in a similar position. Bachelor's degree or equivalent professional experience. At least one of the following is required: ISTQB Advanced Certification an equivalent certification recognized internationally or at least 3 additional years of experience in test management beyond the minimum required experience in a similar position. Strong expertise in software testing, including unit, integration, functional, performance, stress, acceptance, and regression testing. Proven experience in designing, configuring, and maintaining test environments. Hands-on experience in testing complex enterprise systems. Experience in setting up and configuring test management tools for new projects. Experience in creating and maintaining test documentation, including test plans, test cases, test scenarios, and test reports. Proven experience in planning, coordinating, and leading testing activities in complex projects. Practical knowledge of software testing tools and test management solutions. Hands-on experience with Azure DevOps Test Plans. Hands-on experience in writing and executing SQL queries for test data validation and analysis. Experience in testing SharePoint-based applications. Good understanding of the Software Development Lifecycle (SDLC) and software development processes. Strong analytical and problem-solving skills, with excellent attention to detail and the ability to quickly learn new technologies and business domains. Excellent communication, collaboration, and documentation skills.  Key tasks Responsible for defining the testing strategy and planning test activities. Develop test plans, test cases, and design testing environments. Implement, execute, and debug application test cases and scripts. Validate and document the completion of testing activities and development tasks. Interpret test results and report on test progress, issues, and risks. Analyze functional and technical system designs to ensure testability. Contribute to quality assurance activities within the project. Document test activities and track defects. Monitor test results, analyze system quality, and report on status and trends. Cooperate with analysts, architects, Software Development teams, and service desk teams.

🏢 Summary: The offer is for an experienced Test Specialist to lead and execute comprehensive testing activities within a complex IT systems project for a European agency. The role involves defining testing strategy, designing test environments, managing test documentation, and ensuring quality assurance across the full software development lifecycle. It requires strong expertise in advanced testing practices and hands-on experience with enterprise tools and complex systems. 🗂️ Requirements: Minimum 5 years of testing experience with ISTQB Advanced certification or 8 years without certification, Bachelor's degree, Expertise in unit, integration, functional, performance, stress, acceptance, and regression testing, Experience with Azure DevOps Test Plans, Experience creating SQL queries, Experience testing ServiceNow platform, Experience designing test environments, Experience testing complex systems, Experience setting up test management tools for new projects, Experience providing test documentation, Experience leading testing in complex projects, Knowledge of Software Development Lifecycle processes, Proficiency in English 📃 Skills: ISTQB, Azure, DevOps, SQL, ServiceNow, SDLC, Testing, Performance, Regression, Integration, Unit, Functional 🏢 Description: We're Looking for a Test Specialist ! Join an innovative environment and turn ambitious ideas into reality together with Britenet. We are a European IT company with strong Polish roots, already trusted by more than 200 business partners from all over the world. This time you have the chance to be part of a project related to the development, consulting and support of IT systems for Frontex. The European Border and Coast Guard Agency supports EU Member States and Schengen-associated countries in the management of the EU's external borders and the fight against cross-border crime. Our expectations Minimum of 5 years of experience in testing +ISTQB Advanced certification. Without ISTQB certification, a minimum of 8 years of commercial experience in tests. Bachelor's degree. Expert in testing including unit testing, integration testing, functional testing, performance and stress testing, acceptance testing and regression testing. Experience with testing using Azure Devops Test Plans. Hands-on experience with creating SQL queries. Hands-on experience with testing ServiceNow platform. Expert in designing test environments. Hands on experience in testing complex systems up to the amount of years per profile requested at the "minimum experience at similar position". Experience in setting up test management tool for new project. Experience in providing test documentation. Experience in leading testing in complex project. Practical knowledge of testing tools. Analytical mind, attention to detail and an ability to pick things up quickly. Presents excellent communication and documentation skills. Knowledge of processes in Software Development Lifecycle. Proficiency in English (certification is an advantage), Hybrid work 1-2 days per week (Warsaw). Main responsibilities Responsible for testing strategy and planning test activities. Develops test plan, test cases and designs testing environment. Implements, executes and debugs application test cases and scripts. Validate and document completion of testing and Development. Interprets test results, reports on test progress and issues. Analyses functional and technical system design for testability. Contributes to quality assurance in the project. Documents tests and tracks defects. Monitors test results, Analyses quality of the system and reports on status and trends. Cooperates with analysis, architects Software Development and service desk teams.

🏢 Summary: Test Specialist role focused on automated and manual testing of IT systems developed for a European agency project. The position involves designing, executing, and leading test activities, with strong emphasis on automation and collaboration within cross-functional teams. Work is performed in a hybrid model with regular presence in Warsaw. 🗂️ Requirements: Minimum 5 years of experience in test automation, ISTQB Advanced certification or 3 years of experience in test design, Bachelor’s degree or equivalent higher education, Experience with Azure DevOps Test Plans, Hands-on coding experience in Python, JavaScript, TypeScript or VBS, Experience with test automation using Playwright or equivalent, Ability to create and execute SQL queries, Experience testing SharePoint-based applications, Knowledge of Software Development Lifecycle, Proficiency in English, Availability to work in hybrid model (Warsaw office) 📃 Skills: Python, JavaScript, TypeScript, VBS, Playwright, SQL, Azure, DevOps, SharePoint, ISTQB, SDLC, Testing, Automation 🏢 Description: About the role: We're Looking for a Test Specialist ! Join an innovative environment and turn ambitious ideas into reality together with Britenet. We are a European IT company with strong Polish roots, already trusted by more than 200 business partners from all over the world. This time you have the chance to be part of a project related to the development, consulting and support of IT systems for Frontex. The European Border and Coast Guard Agency supports EU Member States and Schengen-associated countries in the management of the EU's external borders and the fight against cross-border crime. Our expectations: Minimum of 5 years of experience in test automation, ISTQB Advanced certification or 3 years of experience in test design above required, Bachelor's degree or equivalent level of higher education Well versed and practical knowledge of software testing tools, Experience with testing using Azure Devops Test Plans, Hands-on experience with coding in one of languages - Python, Java Script, Type Script, VBS, Hands-on experience with Test Automation using Playwright or equivalent, Hands-on experience with creating SQL queries, Hands-on experience with testing SharePoint based applications Analytical mind, attention to detail and an ability to pick things up quickly, Presents excellent communication and documentation skills, Knowledge of Software Development Lifecycle, Proficiency in English (certification is an advantage), Work in a hybrid model - 5 x month in the Warsaw office Main responsibilities: Designs and documents test cases for software systems, Executes test, Executes exploratory test sessions, Reports Test results and found defects, Interprets test results, reports on test progress and issues, Cooperates with analysis, architects, software development and service desk teams, Reviews project documentation, Takes test lead role in smaller projects.

🏢 Summary: Develop and deliver high-quality software features across Java/Spring backend or Angular frontend, with working knowledge of the complementary stack. The role combines roadmap-driven development, testing and code reviews, estimation, cross-functional collaboration, and peer mentorship. 🗂️ Requirements: 5+ years of commercial backend or frontend development experience, Strong expertise in Java backend or Angular frontend development, Working knowledge of the complementary frontend or backend stack, Java 17/21, Spring Boot, Hibernate, Oracle SQL, JMS, and REST API experience for backend work, Angular 20 and Jest experience for frontend work, GitLab, Jenkins, and SonarQube experience, Fluent spoken and written English 📃 Skills: Java, Spring, Hibernate, Oracle, SQL, JMS, REST, Angular, Jest, GitLab, Jenkins, SonarQube 🏢 Description: We are looking for an experienced developer with strong expertise in backend or frontend development and a solid understanding of the full stack to build reliable, high-quality software solutions. Responsibilities Delivery & Strategy - Develop features aligned with multi-year product roadmaps and business objectives. Quality & Engineering Standards - Ensure high code quality through code reviews, comprehensive testing, and best practices. Planning & Estimation - Provide accurate effort estimates, realistic work plans, and proactive updates. Teamwork & Mentorship - Collaborate cross-functionally and actively mentor peers to elevate team expertise. Requirements Experience - 5+ years of commercial experience in either backend or frontend, with solid exposure to the complementary stack. Tech Stack - Backend: Java 17/21, Spring Boot, Hibernate, Oracle DB (SQL), JMS, REST API. - Nice to have: Spring Cloud. - Frontend: Angular 20, Jest. DevOps & CI/CD - GitLab, Jenkins, SonarQube. - Bonus: Container orchestration and monitoring. Soft Skills - Great team player, supportive attitude, and fluent English, spoken and written.

🏢 Summary: Long-term international project for a European Union organisation focused on developing and supporting enterprise software solutions based on SharePoint 2019 and Microsoft technologies. The role involves full-stack SharePoint development, .NET application development, system integrations, and Agile collaboration in a hybrid/remote setup with regular presence in Warsaw. The contract offers a multi-year engagement with training, medical, and sports benefits. 🗂️ Requirements: EU citizenship, Valid criminal record certificate, English level B2, Bachelor's degree in Computer Science, Software Engineering, IT, or related ICT field, Minimum 4 years of professional IT experience, Minimum 2 years in Full-Stack SharePoint Support or Developer role, Experience with complete software development lifecycle, Experience developing enterprise-level software systems, Experience with custom SharePoint development, Experience with Scrum, Ability to produce technical documentation, Intermediate-level software development certification or equivalent 📃 Skills: SharePoint, NET, SQL, T-SQL, Azure, DevOps, HTML5, CSS3, JavaScript, ES6, TypeScript, React, REST, UML, Scrum 🏢 Description: We are looking for an experienced Software Developer to join a long-term international project delivered for a European Union Organisation based in Warsaw . The successful candidate will contribute to the design, development, maintenance, and support of enterprise-level software solutions built on Microsoft technologies, with a strong focus on SharePoint and modern web development. The project centres around a business-critical operational platform built on SharePoint 2019 On-Premises, supporting the management of operational activities, reporting processes, and information exchange across multiple teams and stakeholders. As part of an ongoing modernisation and enhancement programme, the platform is continuously evolved through new functionalities, process improvements, and technical optimisations to ensure its reliability, effectiveness, and alignment with operational needs. Responsibilities: Design, develop, and maintain enterprise software solutions. Develop and support custom SharePoint solutions, including workflows, features, timer jobs, and SDK-based developments. Build and maintain applications using .NET / .NET Core. Design and develop data, business logic, and presentation layers. Integrate systems using Web Services and REST APIs. Participate in Agile/Scrum development activities. Produce and maintain technical documentation. Collaborate with technical teams and contribute to solution architecture and problem-solving activities. Required Competencies: Participation in at least one complete software development lifecycle. Proven experience developing enterprise-level software systems. Strong knowledge of UML and application design. Ability to design and develop data, business logic, and UI layers. Experience working in Scrum environments. Ability to lead and support technical teams. Strong technical documentation skills. Excellent analytical and problem-solving abilities. EU citizenship (mandatory) . Before joining the project, candidates will be required to provide a valid criminal record certificate issued no more than six months prior to the onboarding date. English proficiency at B2 level (certificate is required, or the candidate must successfully pass a language audit/assessment) Education: Bachelor's degree or higher in Computer Science, Software Engineering, Information Technology, or another ICT-related field. Technical Requirements: Minimum 4 years of professional experience in IT . Minimum 2 years of experience in a Full-Stack SharePoint Support or Developer role . Experience with custom SharePoint development, including SDK, workflows, timer jobs, and features . Strong experience with: Microsoft .NET / .NET Core, Microsoft SQL Server, T-SQL, Azure DevOps Pipelines. Experience with Web Services and REST APIs. Good knowledge of: HTML5, CSS3 (Responsive Design), JavaScript (including ES6 concepts such as arrow functions and destructuring), TypeScript, React. Certifications: Candidates must hold at least one of the following: Intermediate-level software development certification relevant to the role, or an internationally recognized equivalent certification accepted by the Contracting Authority. Contract Details: B2B contract with Shimi . Delivery Mode: Remote/Hybrid, Near-site (regular presence at the Warsaw office required, up to 12 days per quarter) – frequency to be agreed upon with the manager during the interview. Candidate Rate: 260 - 315 EUR/MD Planned Start Date: August 2026 or within 2 months from contract award/offer acceptance . Project Duration: Approximately 4 years , with the possibility of extension based on project needs. Benefits: subsidies for training, sports cards, and medical plans.

🏢 Summary: Senior Java Developer role focused on building and maintaining scalable microservices and cloud-based digital products in the OTT/ECommerce industry within an Agile environment. The position involves backend development, architectural contributions, CI/CD support, and collaboration with cross-functional teams using modern Java and cloud technologies. Hybrid or remote work model based in Warszawa. 🗂️ Requirements: 4+ years of Java development experience, Java 8-25, Multithreading, Immutability, Design patterns, Spring Boot, Spring MVC, WebFlux, MyBatis, TestContainers, SQL, NoSQL databases, Oracle, PostgreSQL, MongoDB, Redis, Kafka, Microservices architecture, RESTful APIs, Kubernetes, Docker, AWS, JUnit, Mockito, Spock, Jenkins, GitLab, Unix/Linux scripting, Polish language proficiency, Communicative English, Legal right to work in the EU 📃 Skills: Java, Spring, WebFlux, MyBatis, TestContainers, SQL, Oracle, PostgreSQL, MongoDB, Redis, Kafka, REST, Kubernetes, Docker, AWS, JUnit, Mockito, Spock, Jenkins, GitLab, Unix, Linux, SCRUM, Confluence, Git 🏢 Description: Empower digital transformation — craft scalable solutions with Java and cloud innovation! Warszawa-based opportunity with hybrid/ remote work model. As a Senior Java Developer , you will be working for our client, a leading player in the OTT/ECommerce industry, focused on delivering cutting-edge digital products within a dynamic and collaborative environment. Be part of a team that drives innovation, shapes future-ready architectures, and elevates user experiences through advanced microservices and cloud technologies. Your main responsibilities: Develop and maintain robust microservices using Java 8-25, ensuring high-quality code and optimal performance. Collaborate with cross-functional teams including Frontend Developers and Test Engineers within an Agile Nexus SCRUM framework. Conduct code reviews, contribute to architectural decisions, and mentor junior team members. Design, implement, and optimize RESTful architecture, utilizing tools like Kubernetes, Docker, and SOA principles. Support CI/CD pipelines and manage version control with Git, Jenkins, and related tools. Write comprehensive technical documentation in Confluence and contribute to knowledge sharing. Participate in technical consultations, problem-solving, and continuous improvement initiatives. Ensure application security following OWASP standards and best practices. You're ideal for this role if you have: At least 4 years of professional experience in Java development. Strong expertise in Java 8-25, multithreading, immutability, and design patterns. Experience with Spring Boot, Spring MVC, WebFlux, MyBatis, and TestContainers. Solid knowledge of SQL and NoSQL databases such as Oracle, PostgreSQL, MongoDB, Redis, and messaging systems like Kafka. Familiarity with microservices architecture, RESTful APIs, Kubernetes, Docker, and cloud services (AWS). Practical understanding of testing frameworks like JUnit, Mockito, and Spock. Experience with version control, CI/CD tools (Jenkins, GitLab), and scripting in Unix/Linux environments. Good command of the Polish language and communicative English skills. Ability to work independently with strong analytical and problem-solving skills. It is a strong plus if you have: Front-end skills (HTML, CSS, JavaScript, Angular/React/Vue.js). Certifications in AWS or other cloud platforms. Knowledge of DevOps practices and automation tools. Eligibility to work in the European Union: Only candidates with an existing legal right to work in the EU will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.