April 8, 2026
Backend Java Developer (16:00-24:00)
Mid • Hybrid
Krakow, Poland
Backend Java Developer
Working hours: 16:00–24:00 (CET)
Work model: Mostly remote, with occasional office visits in Kraków (approx. twice per month)
B2B contract: up to 160 PLN net/h + Benefits
Project start date: March 2026!
Your responsibilities:
Design, develop, and deliver backend services in Java to production, aligned with a microservices-based architecture.
Contribute to backend system architecture with a strong focus on scalability, performance, security, and reliability.
Deliver production changes at a high cadence within a regulated environment.
Design, build, and maintain RESTful APIs consumed by internal and external systems.
Work closely with globally distributed engineering and product teams, collaborating across regions during late working hours.
Proactively identify risks, dependencies, and technical issues, communicating them clearly to stakeholders.
Continuously improve backend development processes and engineering standards.
Requirements (must have):
Minimum 3 years of commercial experience as a Backend Java Developer.
Proven hands-on experience developing backend systems using Java (recent versions).
Solid experience working with microservice architectures in production environments.
Practical experience delivering RESTful APIs to production.
Hands-on experience with PostgreSQL, including schema design and query optimization.
Previous experience in the banking or financial services sector (regulated environment is a strong plus).
Experience working in environments with frequent releases and production deployments.
Nice to have:
Experience with containerization and orchestration technologies such as Docker and Kubernetes.
Experience working with cloud platforms, preferably GCP.
Basic familiarity with frontend technologies such as ReactJS.
Experience working in globally distributed teams.
Co zyskasz dzięki aplikacji na ofertę Antal?
Gdy Twoja aplikacja zostanie rozpatrzona pozytywnie (zostaniesz zaproszony/a do procesu), otrzymasz wsparcie Konsultanta/Konsultantki, który/a utrzyma z Tobą stały kontakt (mailowo lub telefonicznie), pomoże Ci przygotować się do rozmowy rekrutacyjnej z przyszłym pracodawcą oraz zatroszczy się o jakość procesu rekrutacyjnego, w którym aktualnie bierzesz udział.
Kim jesteśmy?
Jesteśmy liderem rekrutacji specjalistów i menedżerów oraz doradztwa w obszarze HR. Marka obecna jest w 35 krajach, w Polsce działa od 1996 roku. Przez ten czas zbudowaliśmy wiele karier kandydatów, dzięki elastycznemu i kompleksowemu podejściu do wszystkich rekrutacji. Antal tworzy ponad 130 profesjonalnych konsultantów ds. rekrutacji, którzy są oni nie tylko skutecznymi rekruterami, ale także wykwalifikowanymi doradcami, specjalizującymi się zarówno w zakresie wybranego sektora, jak i stanowiska.
Why apply for an Antal job offer?
When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process.
About Antal
Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research.
Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.
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Warsaw, Poland
120 - 150 PLN/hr
🏢 Summary: B2B offer for an experienced Java Developer to design, develop and maintain key business systems in a Scrum team. The role focuses on building solutions in Java/JEE, ensuring high code quality, automation and active participation in releases and deployments. Hybrid work model with 1 day per week in the Warsaw office. 🗂️ Requirements: Minimum 4 years of experience as Java/JEE Developer, Very good knowledge of Spring, Very good knowledge of Hibernate, Experience with relational databases, Practical knowledge of SQL, Knowledge of Oracle or PostgreSQL, Knowledge of GIT, Knowledge of Gradle or Maven, Strong understanding of OOP principles, Knowledge of multithreading, Availability to work 1 day per week from Warsaw office, Providing services from Poland, Experience working in Scrum environment, Understanding of DevOps approach 📃 Skills: Java, JEE, Spring, Hibernate, SQL, Oracle, PostgreSQL, GIT, Gradle, Maven, OOP, Multithreading, Scrum, DevOps 🏢 Description: Java Developer Lokalizacja: Warszawa (model hybrydowy: 1 dzień w tygodniu w biurze) Umowa B2B: 120–150 PLN/h Poszukujemy doświadczonego Java Developera, który dołączy do zespołu rozwijającego i utrzymującego kluczowe systemy biznesowe. Rola obejmuje projektowanie i implementację nowych funkcjonalności, współpracę z analitykami i architektami oraz aktywny udział w pracach zespołu scrumowego. Stawiamy na wysoką jakość kodu, automatyzację oraz ciągłe doskonalenie procesów. Zakres obowiązków: • Projektowanie i implementacja rozwiązań w oparciu o Java/JEE • Współpraca przy tworzeniu koncepcji nowych funkcjonalności • Utrzymywanie i aktualizacja dokumentacji technicznej • Zapewnienie jakości wytwarzanego oprogramowania i zgodności ze standardami • Wsparcie testów akceptacyjnych oraz udział we wdrożeniach • Udział w planowaniu wydań i iteracji w zespole scrumowym • Udział lub prowadzenie review i retrospective • Wsparcie stabilizacji i utrzymania wdrożonych funkcjonalności Wymagania (must have): • Minimum 4 lata doświadczenia jako programista Java/JEE • Bardzo dobra znajomość Spring i Hibernate • Znajomość GIT • Doświadczenie z relacyjnymi bazami danych i SQL (Oracle lub PostgreSQL) • Znajomość Gradle lub Maven • Znajomość zasad OOP i programowania wielowątkowego • Gotowość do pracy w modelu hybrydowym: 1 dzień w tygodniu w biurze w Warszawie • Świadczenie usług z terytorium Polski • Otwartość na pracę w scrumie i podejście DevOps Mile widziane: • Design patterns • TDD/BDD • Kafka lub RabbitMQ • Docker, Kubernetes, helm • GOSU • JavaScript, TypeScript, RxJS, HTML5 Oferujemy: • Stabilną współpracę B2B • Pracę w dojrzałym środowisku technologicznym • Realny wpływ na rozwój systemów i kierunek technologiczny • Możliwość pracy z nowoczesnymi narzędziami i podejściami • Współpracę z doświadczonymi inżynierami i architektami • Model hybrydowy: 1 dzień w tygodniu w biurze w Warszawie Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland
Technology
Antal Sp. z o.o.
Senior Java Developer
Senior
Hybrid
Krakow, MA, Poland
🏢 Summary: Full-time/B2B role for an experienced Java Developer to design, develop, and maintain microservices in a financial sector project. The position focuses on building high-quality backend solutions using modern Java and DevOps practices, with strong emphasis on TDD, CI, and system reliability. Hybrid work model with responsibility for both development and platform support. 🗂️ Requirements: 5+ years commercial experience in Java backend development, Experience designing and developing microservices, Proficiency in Java 17/21 and Spring Boot, Strong knowledge of PostgreSQL, Experience setting up and maintaining DevSecOps pipelines, Minimum 3 years working in Agile and/or DevOps teams, Experience with TDD using JUnit, Experience writing integration, regression, and Cucumber tests, Experience working with CI pipelines, Experience in incident resolution and system monitoring 📃 Skills: Java, SpringBoot, PostgreSQL, Microservices, DevSecOps, JUnit, Cucumber, CI, TDD, Agile, DevOps, TypeScript, Angular, HTML5 🏢 Description: For our Client we are looking for an experienced Java Developer who will be responsible for both the development and maintenance of the microservices. 📍 Location : Kraków, hybrid work model – 2 days per week in the office, 3 days remote 🕒 Cooperation model: [Full-time / B2B] 📍 Project for our Client from the financial sector Key Responsibilities: Design, build, and maintain efficient, reusable, and reliable Java code Contribute in all phases of the development lifecycle Adopt DevOps and Agile principles Ensure test-driven development and close collaboration with QA team members Focus on improving the development team velocity and quality Mentor and work with junior members of the team Support the platform: incident resolution, monitoring, problem management Develop automated tooling to improve support functions Requirements: 5+ years of commercial experience in backend development (Java) Designing and developing microservices using Java 17/21 and Spring Boot Strong knowledge of PostgreSQL and DevSecOps pipeline set up / maintenance Self-motivated and willing to learn new technologies and business domain 3+ years working in an Agile and/or DevOps team Excellent communication skills Use TDD with JUnit for unit tests, add integration and regression tests, and write simple Cucumber scenarios for end‑to‑end acceptance, all run in CI. Proven track record of working on significant projects from conception to completion, Ability to translate functional requirements into technical solutions, Should be able to provide innovative solutions to complex business problems Fluent English Experience in TypeScript, Angular, HTML 5 - nice to have Benefits: Private medical care (Luxmed) Multisport card Collaborative team culture and modern tech stack Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland
Technology
Antal Sp. z o.o.
Senior Java Developer (Kubernetes/Cloud)
Senior
Hybrid
Krakow, Poland
🏢 Summary: Full-time Java Developer role focused on building and maintaining scalable backend services and cloud-native applications in the financial sector. The position involves developing microservices, deploying to Kubernetes clusters, and automating CI/CD pipelines in cloud environments. The work is delivered in a hybrid model with strong emphasis on security, performance, and reliability. 🗂️ Requirements: 5+ years of commercial experience in backend development with Java, Strong experience in Java and microservices architecture, Hands-on experience with Kubernetes, Experience with Docker containerisation, Experience with at least one cloud platform (AWS, Azure or GCP), Experience with infrastructure-as-code tools (Terraform or Helm), Experience with CI/CD tools (Jenkins or Ansible), Ability to monitor, troubleshoot and optimise applications, Fluent English 📃 Skills: Java, Spring, Kubernetes, Docker, AWS, Azure, GCP, Terraform, Helm, Jenkins, Ansible, CI/CD, Microservices 🏢 Description: For our Client we are looking for an experienced Java Developer to build, and maintain scalable backend services and cloud-native applications. The role focuses on leveraging Java, Kubernetes, and cloud platforms to deliver robust, secure, and efficient solutions. 📍 Location : Kraków, hybrid work model – 2 days per week in the office, 3 days remote 🕒 Cooperation model: [Full-time / B2B] 📍 Project for our Client from the financial sector Key Responsibilities: Develop and maintain backend services using Java (Spring Boot or similar frameworks) Design and deploy microservices on Kubernetes clusters Implement CI/CD pipelines and automate deployments on cloud platforms (AWS, Azure, GCP) Monitor, troubleshoot, and optimise application performance Ensure security and compliance standards are met Collaborate with cross-functional teams to deliver end-to-end solutions Requirements: 5+ years of commercial experience in backend development (Java) Strong Java programming skills and experience with microservices architecture Hands-on experience with Kubernetes and containerisation (Docker) Familiarity with cloud platforms and infrastructure-as-code tools (e.g., Terraform, Helm) Experience with CI/CD tools (Jenkins, Ansible) Strong analytical and troubleshooting abilities Fluent English Benefits: Private medical care (Luxmed) Multisport card Collaborative team culture and modern tech stack Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland