Mid Senior Java Kafka Developer | Warsaw

🏢 Summary: Long-term B2B Senior Java Developer contract for building secure, high-performance backend data-processing solutions in a microservices architecture. The role involves Java and Kafka development, CI/CD delivery, database integration, testing, monitoring, and security implementation in a hybrid work model. 🗂️ Requirements: 10+ years of Java development experience, Strong Kafka expertise, Experience with Confluent Kafka, Experience with KStreams, Experience with MongoDB Atlas, Experience with PostgreSQL 📃 Skills: Java, Kafka, Confluent, KStreams, MongoDB, PostgreSQL, Microservices, CICD 🏢 Description: Contract : B2B, long term Rate : 180-200 PLN/h Mode : Hybrid, 2-3 days per week at the office Location : Warsaw Summary: The Senior Java Developer is primarily responsible for designing and developing backend applications while ensuring adherence to high standards of security, performance, and quality. This role focuses on leveraging extensive experience in Java and Kafka to build robust data processing solutions within a microservices architecture. Main Responsibilities: Building, testing, and deploying software using CI/CD pipelines. Creating microservices for data processing, database interactions, and data exposure. Implementing relevant architectural patterns for data handling and web services. Ensuring accurate logging and alert configurations for operational efficiency. Conducting comprehensive testing of software for various performance criteria. Integrating security features, including authentication and authorization controls. Participating in a developer guild to share best practices and technical knowledge. Key Requirements: 10+ years of relevant experience in Java development. Strong expertise in Kafka, particularly with Confluent Kafka and KStreams. Experience with MongoDB Atlas and PostgreSQL as database technologies. Nice to Have: Familiarity with authentication protocols such as OIDC, OAuth2, and SAML. Experience with containerization technologies like Docker. Knowledge of Kubernetes for container orchestration. Experience with the ELK stack for logging, monitoring, and alerting.

🏢 Summary: Senior Java Developer contract for a logistics project, focused on building secure, high-performance backend data-processing services in a microservices architecture. The role uses Java, Confluent Kafka/KStreams, MongoDB Atlas and PostgreSQL, with hybrid work from the Warsaw office 2–3 days per week. 🗂️ Requirements: 10+ years of Java development experience, Strong Confluent Kafka expertise, Strong KStreams expertise, MongoDB Atlas experience, PostgreSQL experience, English proficiency, Polish proficiency 📃 Skills: Java, Kafka, Confluent, KStreams, MongoDB, PostgreSQL, CI/CD, Microservices 🏢 Description: 🌍Work model: 2-3 days a week from the Warsaw office. 💰Rate: B2B - up to 190 zl/h. ⏰Start: ASAP/ 1 month. ⏳Project length: > 12 months + extensions. 📕Project language: English + Polish. 💼 Industry: Logistics. ⚙️Recruitment process: 2 interviews with the client. 🔍Workload: fulltime. Summary: The Senior Java Developer is primarily responsible for designing and developing backend applications while ensuring adherence to high standards of security, performance, and quality. This role focuses on leveraging extensive experience in Java and Kafka to build robust data processing solutions within a microservices architecture. Main Responsibilities: Building, testing, and deploying software using CI/CD pipelines. Creating microservices for data processing, database interactions, and data exposure. Implementing relevant architectural patterns for data handling and web services. Ensuring accurate logging and alert configurations for operational efficiency. Conducting comprehensive testing of software for various performance criteria. Integrating security features, including authentication and authorization controls. Participating in a developer guild to share best practices and technical knowledge. Key Requirements: 10+ years of relevant experience in Java development. Strong expertise in Kafka, particularly with Confluent Kafka and KStreams. Experience with MongoDB Atlas and PostgreSQL as database technologies. Nice to Have: Familiarity with authentication protocols such as OIDC, OAuth2, and SAML. Experience with containerization technologies like Docker. Knowledge of Kubernetes for container orchestration. Experience with the ELK stack for logging, monitoring, and alerting.

🏢 Summary: Remote B2B contract for a Senior Java Developer focused on building scalable backend and distributed systems using Java 17+, Spring Boot, Kafka, PostgreSQL, and AWS. The role involves API development, cloud deployment, troubleshooting distributed environments, and collaborating with cross-functional teams. Experience with TDD, REST, SOAP, and WebSocket technologies is required. 🗂️ Requirements: Hands-on experience with Java 17+, Experience with SpringBoot, Understanding of Apache Kafka, Experience with PostgreSQL or relational databases, Experience creating and maintaining REST APIs, Experience creating and maintaining SOAP APIs, Experience implementing WebSocket communication, Familiarity with AWS cloud deployments, Ability to debug distributed systems, Experience with TDD practices, Strong problem-solving skills, Ability to work independently, Good communication skills 📃 Skills: Java, SpringBoot, AWS, Kafka, PostgreSQL, REST, SOAP, WebSocket, TDD 🏢 Description: Senior Java Developer SKILLS: Java 17+ | SpringBoot | AWS | Apache Kafka | PostgreSQL | REST | SOAP | WebSocket B2B: PLN 120 - 150 / Hour 💰 LOCATION: REMOTE (POLAND) START DATE: ASAP Key Services and Requirements: A Roadmap to Your Professional Success Scope of services: Designing and developing backend services using Java 17+ and Spring Boot. Building and maintaining scalable, distributed systems based on Apache Kafka. Integrating applications with PostgreSQL databases. Ensuring cloud-readiness and deploying services in AWS. Troubleshooting and debugging issues in distributed environments. Writing clean, testable code using TDD principles. Collaborating with cross-functional teams to define, design, and deliver new features. Here’s a set of skills we require: Solid hands-on experience with Java 17+ and the Spring Boot framework. Good understanding of Apache Kafka and its use in distributed systems. Experience working with PostgreSQL or other relational databases. Creating and maintaining APIs using REST and SOAP . Implementing real-time communication using WebSocket . Familiarity with AWS and deploying applications in a cloud environment. Ability to debug and troubleshoot complex issues in distributed systems. Understanding of and experience with TDD practices. Strong problem-solving skills and the ability to work independently. Good communication skills and a proactive approach to teamwork. Nice to have experience with: OpenStreetMap maps. Routing libraries such as pgRouting, GraphHopper, or others. Integration with Pekao Connect. Integration with TPay. Integration with Comarch ERP.

🏢 Summary: Long-term hybrid role for a Senior Java Developer on a banking CRM project focused on building and evolving scalable microservices in a distributed, event-driven architecture. The position involves backend development, REST and SOAP integrations, Kafka-based messaging, and full software lifecycle ownership including production deployments. You will contribute to architectural decisions and work with modern technologies in a stable banking environment. 🗂️ Requirements: 5+ years of experience as a Java Developer, Strong knowledge of Java, Strong knowledge of Spring Boot / Spring Framework, Hands-on experience with microservices architecture, Experience designing and building REST APIs, Practical experience with Kafka or similar messaging systems, Solid understanding of SQL, Experience with PostgreSQL and Hibernate, Experience with CI/CD tools, Experience with Docker, Experience with Kubernetes, Proficiency with Git 📃 Skills: Java, Spring, SpringBoot, PostgreSQL, Hibernate, Kafka, REST, SOAP, Groovy, Docker, Kubernetes, Jenkins, Git, SQL, Microservices 🏢 Description: Senior Java Developer (Banking / CRM) Warsaw (hybrid – 1 day per week in the office About the project You will join a long-term project for a banking client focused on building and evolving a modern CRM system. You’ll work on scalable backend services, API design, and system integrations in a distributed environment. The role involves working with event-driven architecture (Kafka) as well as REST and SOAP integrations, with ownership across the full software lifecycle – from development to production deployments. Tech stack Java 21 Spring Boot 3 PostgreSQL Hibernate Kafka REST / SOAP Groovy Docker / Kubernetes Jenkins Git Responsibilities Design and develop microservices in a distributed architecture Build and maintain REST and SOAP APIs Work with Kafka (topics, consumers, event-driven systems) Integrate with internal and external banking systems Participate in production deployments and application support Collaborate with business and technical stakeholders Contribute to architectural decisions (DDD, microservices) Requirements 5+ years of experience as a Java Developer Strong knowledge of Java and Spring (Boot / Framework) Hands-on experience with microservices architecture Experience designing and building REST APIs Practical experience with Kafka or similar messaging systems Solid understanding of SQL and PostgreSQL (Hibernate) Experience with CI/CD tools (e.g. Jenkins) Experience with Docker and Kubernetes Proficiency with Git Nice to have Experience in banking / financial services Knowledge of Domain Driven Design (DDD) Familiarity with Groovy Experience with SOAP integrations What we offer Long-term project in the banking sector Work with modern architecture (microservices + event-driven) Real impact on technical decisions and system design Hybrid work model (1 day per week in Warsaw office) Stable and collaborative environment

🏢 Summary: Hands-on Java Developer role focused on modernising a long-standing cross-asset platform through Kafka-driven event architecture and microservices. The position involves building integrations, improving legacy systems, and supporting monthly releases within a global engineering setup. Work includes Java, Spring Boot, Kafka integration, and DevOps-aligned development in a hybrid model. 🗂️ Requirements: Commercial experience with Java, Experience with Spring and Spring Boot, Hands-on Kafka integration experience, Knowledge of microservices architecture, Understanding of distributed systems, Experience with legacy system modernisation, DevOps pipelines and CI/CD experience, SQL proficiency 📃 Skills: Java, Spring, SpringBoot, Kafka, Microservices, SQL, CI/CD, DevOps, AWS, Azure, GCP 🏢 Description: Java Developer – Global Investment Bank – Krakow Cross‑Asset Platform | Kafka Migration | Modernisation Project B2B | Hybrid - 3 days per week A global investment bank is expanding its Krakow engineering hub and is looking for Java Developers to support the growth of a 20‑year‑old cross‑asset platform that is now undergoing major modernisation. This is a hands‑on engineering role focused on Kafka integration, microservices, and cloud‑aligned development practices. You’ll join a collaborative team of 20+ developers in Poland, delivering monthly releases that support middle‑office trade capture workflows. What you’ll work on Enhancing and modernising a long‑standing cross‑asset platform Designing and building Kafka integrations as the platform transitions to event‑driven architecture Developing microservices using Java, Spring, Spring Boot Setting up and configuring DevOps pipelines, CI/CD, and environment configs Applying strong software engineering fundamentals to improve reliability and maintainability Writing and optimising SQL queries for data access and reporting Contributing to monthly release cycles and global delivery processes What you bring Solid commercial experience with Java, Spring, and Spring Boot Hands‑on experience with Kafka (building integrations, understanding redundancy, event flows) Understanding of microservices, distributed systems, and cloud‑ready architectures Ability to work with and improve legacy systems while contributing to modernisation Experience with DevOps concepts: configs, pipelines, CI/CD SQL proficiency Comfortable collaborating with global teams across time zones Nice to have Financial services experience, especially in the middle‑office or trade capture Exposure to cloud platforms (AWS/Azure/GCP) Experience working on large, long‑lived enterprise systems Why this role stands out Growth hire — join a team that’s expanding, not replacing Opportunity to modernise a major platform, moving to Kafka-driven architecture Work with a large, supportive engineering community in Poland Stable monthly release cycle and clear delivery rhythm

🏢 Summary: Mid/Senior Java Developer role in a global trading project focused on developing and migrating high-performance risk and position management systems to Google Cloud Platform. The position involves building real-time systems based on Apache Kafka within a CI/CD-driven environment. Work includes system development, cloud migration, and maintaining production-grade financial applications. 🗂️ Requirements: Minimum 4 years commercial experience in Java, Strong knowledge of Java and JVM ecosystem, Experience with cloud solutions, Knowledge of Infrastructure as Code tools, Experience with TDD, Experience with CI/CD environments, Practical knowledge of Git, Practical knowledge of build tools, English level B2 or higher 📃 Skills: Java, JVM, Kafka, GCP, Terraform, TDD, CI, CD, Git, Gradle, GitHub, TeamCity, REST, MongoDB 🏢 Description: Java Developer (Mid/Senior) – Java | Kafka | GCP RITS Group to firma informatyczna, która oferuje najwyższej jakości usługi programistyczne zarówno dla rynku polskiego, jak i międzynarodowego. Jesteśmy dumni, że należymy do grona najszybciej rozwijających się spółek technologicznych. Naszym priorytetem jest jakość oraz innowacyjność dostarczanych rozwiązań, a nasza kultura organizacyjna opiera się na zaufaniu, współpracy i ciągłym doskonaleniu. Oferujemy 📍 Lokalizacja: Kraków (preferowane) lub inne lokalizacje w Polsce* 🏢 Model pracy: Hybrydowy 💰 Stawka: do 155 PLN netto/h (B2B) *Model pracy Kandydaci z Krakowa: praca hybrydowa z wymaganą obecnością w biurze klienta 2 dni w tygodniu . Kandydaci spoza Krakowa: możliwość pracy zdalnej z wymaganą obecnością w biurze klienta w Krakowie 3 razy w miesiącu . O projekcie Dołącz do globalnego zespołu odpowiedzialnego za rozwój i utrzymanie zaawansowanych systemów wspierających elektroniczny trading instrumentów finansowych. Zespół rozwija wewnętrzną platformę wykorzystywaną przez biznes tradingowy na rynkach kapitałowych, działającą w środowisku o wysokiej wydajności i dostępności. Aktualnie rozbudowujemy zespół w Polsce, który odpowiada za migrację aplikacji zarządzania ryzykiem i pozycjami opartą o Apache Kafka z infrastruktury on-premise do środowiska Google Cloud Platform (GCP). System przetwarza dane w czasie rzeczywistym i wspiera zarządzanie pozycjami oraz wizualizację ekspozycji dla obszaru Cash Equities. Obowiązki Rozwój nowych funkcjonalności w środowisku Java. Współpraca z Product Ownerami oraz użytkownikami biznesowymi w celu analizy wymagań. Tworzenie i rozwijanie testów automatycznych. Udział w procesach CI/CD oraz wdrożeniach produkcyjnych. Utrzymanie i rozwój systemów działających produkcyjnie. Code review oraz współpraca w międzynarodowym zespole. Recenzja zmian przez współpracownika / weryfikacja zmian przez kolegę z zespołu Aktywny udział w usprawnianiu procesów, architektury i jakości wytwarzanego oprogramowania. Wymagania Minimum 4 lata doświadczenia komercyjnego w programowaniu w Java. Bardzo dobra znajomość Java oraz ekosystemu JVM. Doświadczenie w pracy z rozwiązaniami chmurowymi (mile widziane GCP). Znajomość Terraform lub innych narzędzi Infrastructure as Code. Doświadczenie z TDD oraz środowiskami Continuous Integration / Continuous Delivery. Praktyczna znajomość Git, Gradle, GitHub, TeamCity lub podobnych narzędzi. Język angielski na poziomie minimum B2. Mile widziane Doświadczenie z Apache Kafka i Kafka Streams. Znajomość REST API oraz technologii messagingowych. Doświadczenie w optymalizacji wydajności JVM. MongoDB. Wiedza z obszaru systemów tradingowych lub zarządzania ryzykiem. Zainteresowanie rynkami kapitałowymi, Equities lub Equity Derivatives. Aktywność w społecznościach technologicznych, projektach open source, meetupach itp. Proces rekrutacyjny Techniczna weryfikacja kompetencji na platformie Karat. Minimum jedna rozmowa projektowa z klientem. Ta rola nie jest dla Ciebie, ale masz znajomego, który by się sprawdził? Poleć go i zgarnij nawet 5000 zł. Referral Program: Talent from your network Nie zwlekaj i zaaplikuj już teraz! Nr ref.: 3/6/2026/r/3546

🏢 Summary: Senior Java Developer role focused on building secure, scalable enterprise banking applications using modern Java and Spring technologies in a hybrid work model. The position involves developing high-performance REST APIs, managing databases, and supporting CI/CD pipelines within a complex enterprise environment. You will collaborate with cross-functional teams to deliver robust financial solutions. 🗂️ Requirements: 5+ years of Java development experience in enterprise environments, Strong expertise in Java and Spring Boot, Experience with JPA and REST API development, Proficiency with PostgreSQL and Oracle databases, Knowledge of security patterns and testing frameworks, Experience with CI/CD and containerization tools, Communicative proficiency in Polish, Legal right to work in the European Union 📃 Skills: Java, Spring, SpringBoot, JPA, REST, PostgreSQL, Oracle, JUnit, Mockito, OpenShift, Jenkins, GitLab, Maven, Liquibase, Postman, RabbitMQ, Kafka, MongoDB, Camunda, CICD 🏢 Description: Unleash innovation — drive the future of enterprise software development! Wroclaw/Poznań-based opportunity with hybrid work model (up to 4 remote days per week). As a Senior Java Developer , you will be working for our client, a leader in the banking sector dedicated to delivering cutting-edge financial solutions. You will help build robust, secure, and scalable enterprise applications that empower banking institutions and SME clients across Europe. Join us in shaping the digital transformation of financial services and advancing your career in a dynamic, innovative environment. Your main responsibilities: Develop and maintain high-performance Java applications using Spring Boot (preferably 21/25 versions) and Spring frameworks. Design, implement, and optimize REST APIs with security best practices. Collaborate closely with testers, analysts, and Product Owners to deliver seamless solutions. Manage databases including PostgreSQL, Oracle, and utilize JPA for persistence layer development. Use architectural tools such as Postman, Liquibase, Jenkins, Gitlab, Maven, and OpenShift to ensure continuous integration and delivery. Contribute to system security design, integrating technologies like Mockito, JUnit, RabbitMQ, Kafka, and MongoDB. Participate in code reviews, architectural discussions, and testing for quality assurance. Support deployment pipelines and collaborate with cross-functional teams to deliver excellence. You're ideal for this role if you have: 5+ years of experience in Java development within enterprise environments. Strong expertise in Java, Spring (preferably 21/25), JPA, and REST API development. Proficiency in database management, including PostgreSQL and Oracle. Solid knowledge of security patterns and testing frameworks such as JUnit and Mockito. Experience working with containerization and CI/CD tools like OpenShift, Jenkins, and Gitlab. Comfortable working in a collaborative environment with testers, analysts, and Product Owners. It is a strong plus if you have: (optional) Experience with RabbitMQ, Kafka, or MongoDB. Familiarity with Camunda BPM and banking industry solutions. Certifications or knowledge related to these technologies. Language Required for the role: Communicative proficiency in Polish. Eligibility for the role: Only candidates with an existing legal right to work in the European Union 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. We offer you At ITDS , you will work on innovative and impactful technology projects for international companies across multiple industries in Europe and beyond. We create an environment for ambitious, driven professionals who want to grow, deliver value, and build their careers in modern IT and digital transformation. Our offer includes: Stable and long-term cooperation with attractive conditions Opportunities to develop your technical expertise across various industries and technologies The chance to work on high-impact, strategic IT and digital transformation projects A clear career path and the opportunity to grow quickly by contributing to diverse client initiatives over time International environment , knowledge sharing, social events, and training opportunities Access to an attractive medical package Access to the Multisport program Access to learning platforms such as Pluralsight Flexible working hours and remote work options Internal number #8702

🏢 Summary: Senior Java Developer role supporting secure, scalable banking and payments systems in Warsaw, with a hybrid schedule of one remote day per week. The position covers solution design, development, testing, and delivery of event-driven microservices within distributed systems. 🗂️ Requirements: 4+ years of Java development experience in financial or similarly complex domains, Java, Spring, Hibernate, DB2, Spring Boot, and RESTful API expertise, Apache Kafka experience, including producers, consumers, Kafka Streams, and Kafka Connect, MongoDB and Spring Data MongoDB knowledge, Docker, Maven, Git, and CI/CD pipeline familiarity, Understanding of event-driven microservices and distributed systems, Communicative English, Existing legal right to work in the European Union 📃 Skills: Java, Spring, Hibernate, DB2, Kafka, MongoDB, Docker, Maven, Git, GitLab, CI/CD, REST 🏢 Description: Unleash innovative financial solutions — shape the future of fintech with Java excellence! Warsaw-based opportunity with hybrid work model (1 remote day per week). As a Senior Java Developer , you will be working for our client, a leader in financial technology solutions. You will contribute to critical projects in the banking and payments industry, shaping the evolution of secure, scalable financial systems and ensuring seamless integration of cutting-edge technologies. This role offers an excellent platform for career growth amidst a dynamic, global team. Your main responsibilities: Participate in requirements gathering sessions with business users to understand project needs. Lead analysis, solution design, and planning activities within the engineering team. Implement and rigorously test software changes; participate in code reviews and assist in UAT and releases. Innovate by improving existing stacks and developing new functionalities in a fast-paced environment. Contribute to the development of event-driven and microservices architectures within distributed systems. Collaborate effectively with international teams and stakeholders. Maintain high-quality documentation and ensure adherence to best practices. Engage actively in continuous improvement initiatives and process optimizations. You're ideal for this role if you have: 4+ years of proven experience in Java development within financial or similarly complex domains. Proficiency in Java, Spring, Hibernate, DB2, Spring Boot, and RESTful API design. Experience with Apache Kafka, including producers, consumers, Kafka Streams, and Kafka Connect. Knowledge of MongoDB and Spring Data MongoDB. Familiarity with Docker, Maven, Git, and CI/CD pipelines (preferably GitLab CI). Solid understanding of event-driven/microservices architectures and distributed systems. Strong analytical, communication, and teamwork skills. Ability to work in a fast-paced, collaborative environment with a strong work ethic. It is a strong plus if you have: Experience with IBM MQ / JMS and infrastructure as code. Knowledge of financial messaging standards such as ISO 20022, SWIFT, CBPR+, FIN. Python scripting and experience in financial services, payments, or banking technology. Language Required for the role: Communicative English proficiency. Eligibility for the role: Only candidates with an existing legal right to work in the European Union 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.

🏢 Summary: Hybrid Java development role focused on building and maintaining systems that process high volumes of real-time data. The role includes delivering new functionality, database work, testing, performance validation, code reviews, and deployment preparation, with only 1–2 office days per month in Warsaw. 🗂️ Requirements: Commercial Java development experience, Experience with high-volume real-time data processing systems, Hands-on Apache Kafka experience, Unit and integration testing experience, Knowledge of relational databases, Understanding of software development best practices and quality standards 📃 Skills: Java, Kafka, Databases, Testing, Performance 🏢 Description: Java Developer (Kafka) 📍 Warsaw | Hybrid model (only 1-2 days per month in the office) We are looking for a Java Developer to join a project within the focused on the development and maintenance of systems that process large volumes of real-time data. Responsibilities Preparing and configuring development environments. Developing and implementing new functionalities. Creating and modifying database structures. Designing and executing unit and integration tests. Developing and performing performance tests. Ensuring that implemented changes comply with system architecture and quality standards. Participating in code reviews and quality assurance activities. Preparing solutions for deployment, including code repository management, configuration updates, and deployment documentation. Requirements Commercial experience in Java development. Experience working with systems that process large volumes of real-time data. Hands-on experience with Apache Kafka . Experience creating and executing unit and integration tests. Knowledge of relational databases. Understanding of software development best practices and quality standards. Nice to Have Knowledge of the Java Swing library. Experience developing and maintaining desktop applications based on Java Swing. What We Offer Hybrid work model with only 1-2 days per month in the Warsaw office . Opportunity to work on modern, real-time data processing systems. Long-term cooperation in a stable project environment. Collaboration with experienced professionals and opportunities for professional growth.

🏢 Summary: Senior Java Developer role focused on building scalable REST APIs and advanced backend systems using modern Java and Spring technologies. The position involves designing, developing, and testing secure enterprise solutions in a hybrid work model. It offers the opportunity to contribute to large-scale digital transformation initiatives. 🗂️ Requirements: 5+ years of professional experience in Java development, Strong expertise in Java 17+, Strong expertise in Spring Boot 3/4+, Experience with Git, Kubernetes, Jenkins, Flyway, RabbitMQ, and PostgreSQL, Experience in building and securing REST APIs, Ability to perform unit and integration testing, Ability to analyze requirements and translate them into technical solutions, Fluent English (written and spoken), Legal right to work in the European Union, Availability to work in a hybrid model (up to 2 remote days per week) 📃 Skills: Java, Spring, SpringBoot, Git, Kubernetes, Jenkins, Flyway, RabbitMQ, PostgreSQL, REST, UnitTesting, IntegrationTesting, Architecture, Security, English 🏢 Description: Unleash innovation with scalable enterprise solutions — shape the future of digital transformation! Warsaw-based opportunity with hybrid work model (up to 2 remote days per week). As a Senior Java Developer , you will be working for our client, a leading player in the technology industry committed to delivering cutting-edge software solutions. You will contribute to building robust, scalable REST APIs and advanced backend systems, empowering organizations to transform their digital landscapes and drive business success. This is your chance to grow your career at the forefront of technological innovation. Your main responsibilities: Analyze requirements and convert them into comprehensive technical tasks, supporting the development process. Propose and challenge technical solutions to ensure optimal implementation. Develop functionalities in Java 17+ using Spring Boot 3/4+ in line with architectural and security standards. Conduct thorough unit and integration testing to ensure code quality. Create and update technical and architectural documentation for ongoing project clarity. Share knowledge with team members to foster continuous learning and improvement. Stay updated on technological advancements and suggest innovative enhancements. You're ideal for this role if you have: 5+ years of professional experience in Java development or relevant fields. Strong expertise in Java 17+ and Spring Boot (version 3 or 4+). Experience with Git, Kubernetes, Jenkins, Flyway, RabbitMQ, and PostgreSQL. Proven ability to analyze complex requirements and translate them into technical solutions. Solid understanding of REST API development, architecture, security, and best practices. Excellent communication skills in fluent English. Ability to work in a hybrid model, with up to 2 remote days per week. It is a strong plus if you have: Knowledge of containerization and orchestration tools or certifications. Experience working within Agile teams or with CI/CD pipelines. Language Required for the role: Fluent English, written and spoken. Eligibility to work in Europe: Only candidates with an existing legal right to work in the European Union 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.