Backend Java Developer (16:00-24:00)

🏢 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

🏢 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

🏢 Summary: B2B contract role for a Senior Java Developer to design and build high‑performance, low‑latency backend services for trading and risk systems within an international Agile team. The position focuses on developing microservices, REST APIs and distributed components supporting critical transaction workflows. You will influence architecture and engineering standards while optimizing scalability, stability and performance. 🗂️ Requirements: 5+ years Java backend development experience (Java 11+), Strong knowledge of REST and HTTPS, Experience with microservices architecture, Experience with messaging systems (MQ), Experience with SQL, Experience with Postgres, Sybase or similar database, Experience leading delivery of Java-based modules or services, Experience working in Agile environment, Fluent English 📃 Skills: Java, REST, HTTPS, Microservices, MQ, SQL, Postgres, Sybase, CI/CD, Agile 🏢 Description: Senior Java Developer 📍 Location: Kraków, Poland (hybrid: 2 days in the office, 3 days remote) 📄 B2B Contract: 190 – 230 PLN / hour We are looking for a proactive Senior Java Developer to join an international Agile team building high‑performance backend solutions for trading and risk‑related systems. You will work closely with engineers and analysts to design, develop and optimize services supporting critical business processes. This role offers the opportunity to work on low‑latency, high‑throughput applications and influence architecture, engineering standards and delivery quality across a complex technology landscape. Key Responsibilities: Design and develop backend services and microservices in Java. Build and maintain RESTful APIs and distributed system components. Develop high‑availability, high‑performance solutions supporting trading workflows. Integrate with internal platforms and support end‑to‑end transaction lifecycle. Optimize system performance, stability and scalability. Collaborate with global engineering and business teams. Participate in Agile ceremonies: sprint planning, reviews, retrospectives and daily stand‑ups. Requirements: 5+ years of experience in Java backend development (Java 11+). Strong knowledge of REST, HTTPS, microservices and messaging (MQ). Experience with SQL and at least one mainstream database (Postgres, Sybase or similar). Experience owning or leading delivery of Java‑based modules or services. Strong analytical and problem‑solving skills. Very good communication skills in English. Ability to work in a dynamic environment and handle pressure. Curiosity, proactiveness and continuous learning mindset. Nice to Have: Experience in production environments. Experience with Agile development and CI/CD. Domain knowledge in financial systems: trade lifecycle, post‑trade, FX. What We Offer: Long‑term cooperation within an international engineering environment. Real influence on architecture, engineering standards and delivery quality. Work in a multicultural, distributed setup. Private medical care (LuxMed) and Multisport card. Hybrid model: 2 days per week in the Kraków office. 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.

🏢 Summary: Experienced Java Developer role focused on developing and maintaining microservices for trading systems in the financial sector. The position involves building high-availability solutions, supporting credit and IR derivatives trading workflows, and contributing to DevOps, monitoring, and infrastructure improvements in a hybrid work model. 🗂️ Requirements: 7+ years of Java back-end development experience, Experience with RESTful APIs, Experience with microservices architecture, Knowledge of high-availability service architecture, Experience with SQL, Experience with PostgresSQL or Sybase, Basic database performance knowledge, Hands-on experience with AI tooling and models, Experience leading delivery of Java-based services or modules, Strong analytical and problem-solving skills, Fluent English 📃 Skills: Java, REST, Microservices, SQL, PostgresSQL, Sybase, DevOps, AI 🏢 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: Build high-end solutions using market-leading technologies across the trading stack Application Specialist role for front to back system for Credit derivatives and IR derivatives trading Propose and deliver sustainable tooling infrastructure for the application including but not limited to DevOps, infrastructure, release management, resiliency and monitoring Contribute to new age tooling and improvisation of existing tech stack and process Understand department’s design principles, represent application in design review forums and interact with IT management and department engineering / tooling forums Enable real-time risk management capabilities for Credit VS trading workflows Requirements: 7+ years’ experience in Java back-end development with RESTful API, Java, micro-services Good sense and experience in high-availability service architecture Good experience in SQL and at least one main stream database (Postgres SQL or Sybase), with basic knowledge in database performance Hands on with AI tooling and models in day to day Experience of owning or leading the delivery a Java-based service / module Strong analytical thinking and problem solving capability 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

🏢 Summary: Full-time Java Developer role for a financial sector project, focused on building and maintaining backend services and APIs using modern Java technologies in a hybrid work model. The position involves cloud deployment on GCP, database optimization, and collaboration on CI/CD pipelines. The role requires hands-on experience with microservices architecture and cloud-based environments. 🗂️ Requirements: 3+ years of commercial experience as Java Developer, Experience with Java 17, Proficiency in Spring Boot, Experience in building microservices, Experience in developing RESTful APIs, Hands-on experience with PostgreSQL, Experience with Google Cloud Platform, Experience with Jenkins, Proficiency with Git, Understanding of SDLC, Experience working in Agile environment, Fluent English 📃 Skills: Java, Spring, SpringBoot, PostgreSQL, GCP, Jenkins, Git, REST, Microservices, SQL, CI/CD, Agile 🏢 Description: Java Developer For our Client we are looking for an experienced Java Developer. 📍 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, develop, and maintain backend services and APIs using Java 17 and Spring Boot Implement and optimize database solutions using PostgreSQL Deploy, monitor, and manage applications on Google Cloud Platform (GCP) Collaborate with DevOps teams to build and maintain CI/CD pipelines using Jenkins Utilize Git for version control and collaborate with team members on code reviews and branching strategies Ensure application performance, scalability, and security through best practices and testing Troubleshoot and resolve technical issues in a timely manner Work closely with cross-functional teams to gather requirements and deliver high-quality solutions Requirements: 3+ years of commercial experience in similar position Experience with Java 17 and object-oriented programming principle Proficiency in building microservices and RESTful APIs using Spring Boot Hands-on experience with PostgreSQL for database design, queries, and optimization Familiarity with Google Cloud Platform (GCP) services such as Compute Engine, Cloud Storage, and Cloud SQL Experience with CI/CD tools, particularly Jenkins Proficient in using Git for version control and collaboration Solid understanding of software development lifecycle (SDLC) and Agile methodologies Strong problem-solving skills and attention to detail 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

🏢 Summary: Full Stack Engineer role focused on backend development and system architecture for a global high‑volume payment platform. The position involves designing and developing Java-based microservices, building REST APIs, and migrating legacy systems to modern architectures. You will also work with Kubernetes and optimize system performance and reliability in a DevOps environment. 🗂️ Requirements: Strong knowledge of Java, Experience with Spring Boot, Experience with microservices architecture, Experience building REST APIs, Experience with Kubernetes, Experience in containerized environments, Knowledge of SQL, Knowledge of Linux or Unix, Experience in DevOps environment 📃 Skills: Java, Spring, SpringBoot, Microservices, REST, Kubernetes, SQL, Linux, Unix, DevOps, Containers 🏢 Description: Full Stack Engineer (Java / Backend) K/M 📍 Kraków (2 dni w biurze / 3 dni zdalnie) 💼 B2B Dołącz do zespołu rozwijającego globalną platformę płatniczą, która obsługuje wysokowolumenowe transakcje i systemy o krytycznym znaczeniu biznesowym. Rola ma wyraźny nacisk na backend i architekturę systemów. Twoje zadania: Projektowanie i rozwój mikroserwisów w Java (11/17+) i Spring Boot Budowa oraz utrzymanie API (REST) Praca nad migracją systemów legacy do nowoczesnej architektury Współpraca przy wdrożeniach w środowisku Kubernetes Optymalizacja wydajności i niezawodności systemów Wymagania: Bardzo dobra znajomość Java i Spring Boot Doświadczenie z mikroserwisami i REST API Kubernetes i praca w środowisku kontenerowym SQL (mile widziany Oracle) Dobra znajomość Linux / Unix Doświadczenie w środowisku DevOps Mile widziane: Znajomość React Doświadczenie z monitoringiem i systemami wysokiej dostępności 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

🏢 Summary: Backend Engineer (Java) role focused on building scalable, extensible asset management applications within a modern microservices architecture. The position involves developing distributed systems from scratch using a new tech stack, with real impact on architecture and product direction. Fully remote B2B contract within a cross-functional, Agile team. 🗂️ Requirements: Experience as Backend Developer with Java, Ability to design and develop scalable systems, Experience with microservices architecture, Experience with distributed systems, Experience with Spring framework, Experience with relational databases, Knowledge of asynchronous processing, Very good command of English 📃 Skills: Java, Groovy, Spring, Spock, PostgreSQL, JDBC, JPA, Hibernate, jOOQ, Liquibase, Maven, Kafka, Dynatrace, ELK, Grafana, Keycloak, Microservices, DDD, OOP, GCP, Docker, Kubernetes, CI/CD 🏢 Description: Backend Engineer (Java) Poszukujemy doświadczonego Backend Engineera , który z pasją rozwiązuje realne problemy klientów i dobrze odnajduje się w środowisku cross-funkcyjnym. Jeśli masz produktowe podejście, silne kompetencje techniczne oraz motywację do dostarczania realnej wartości – ta rola jest dla Ciebie. Tworzymy kulturę opartą na otwartej komunikacji i regularnym feedbacku. Szukamy osób proaktywnych, które chcą mieć realny wpływ na rozwój produktu i inicjować usprawnienia. O projekcie Dołączysz do zespołu budującego wysokiej jakości, skalowalne i łatwo rozszerzalne oprogramowanie wspierające rozwój międzynarodowej infrastruktury operacyjnej firmy. Będziesz pracować nad kluczowymi aplikacjami do zarządzania zasobami (asset management), obejmującymi m.in. moduły: serwisowe, magazynowe, wdrożeniowe (deployments), oraz inne wspierające operacje terenowe. System tworzony jest od podstaw w oparciu o nowy stos technologiczny, co daje realny wpływ na architekturę i kierunek rozwoju rozwiązania. Technologie Języki i frameworki: Java Groovy Spring Spock Baza danych i warstwa dostępu: PostgreSQL JDBC JPA (Hibernate) jOOQ Liquibase Narzędzia: Maven Kafka Dynatrace ELK Grafana Keycloak Architektura: Mikroserwisy Przetwarzanie asynchroniczne Architektura heksagonalna DDD Systemy rozproszone Metodyki i praktyki: Agile BDD OOP Refaktoryzacja Mile widziane (DevOps) Wspieramy rozwój kompetencji DevOps w zespole, dlatego dodatkowym atutem będzie doświadczenie (lub chęć nauki) w obszarze: GCP Docker Kubernetes CI/CD pipelines Wymagania Doświadczenie w roli Backend Developera (Java) Umiejętność projektowania i rozwijania skalowalnych systemów Produktowe podejście i orientacja na wartość biznesową Doświadczenie w pracy w środowisku cross-funkcyjnym Bardzo dobra znajomość języka angielskiego (wymagana) Oferujemy Kontrakt B2B 100% remote Benefity: Karta Multisport oraz Luxmed 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.

🏢 Summary: Backend engineering role focused on designing, developing, and deploying scalable microservices-based applications in a continuous delivery environment. The position involves building production-ready systems, contributing to architecture decisions, and ensuring high performance and maintainability. The role requires close collaboration within globally distributed teams to deliver high-quality digital solutions. 🗂️ Requirements: Proven experience in backend software engineering, Hands-on experience with microservices architecture, Experience delivering production-ready applications, Experience with continuous delivery and frequent releases, Experience building and maintaining RESTful APIs, Strong experience with PostgreSQL including schema design and optimization 📃 Skills: Backend, Microservices, REST, PostgreSQL, SQL, ContinuousDelivery, APIs 🏢 Description: Location: Kraków Work mode: hybrid with 6-8 days/month from the office Salary: up to 200 PLN/h + VAT on B2B contract About the Team: You will join a globally distributed engineering team focused on building scalable, high-quality digital solutions using modern technologies and microservices architecture. The team emphasizes collaboration, continuous delivery, engineering excellence, and innovation, working closely with stakeholders across regions to deliver impactful business outcomes. Key Responsibilities: Design, develop, and deploy high-quality, production-ready code within a microservices-based architecture. Contribute to system architecture and technical design decisions, ensuring scalability, performance, and maintainability. Maintain awareness of business objectives alongside engineering and non-functional requirements to support product growth. Promote and uphold strong engineering culture, including best practices, code quality, and continuous improvement. Collaborate closely with globally distributed teams, coordinating across multiple regions and time zones. Proactively identify and remove delivery impediments, manage risks, and communicate issues to program stakeholders. Analyze development and delivery processes to identify inefficiencies and implement innovative, automated solutions. Required Experience & Skills: Strong background in software engineering with proven expertise in designing, developing, and deploying backend applications. Hands-on experience working with microservice architectures and delivering production-ready solutions. Demonstrated ability to deliver frequent, high-quality releases in a continuous delivery environment. Experience building and maintaining RESTful APIs in production systems. Solid experience working with PostgreSQL databases, including schema design and optimization. Preferred Qualifications: Proficiency in Java, ideally with recent experience using modern versions. Understanding of containerization and orchestration technologies such as Docker and Kubernetes, as well as cloud platforms (preferably GCP). Experience developing modern frontend applications using ReactJS. Previous experience working in the financial services sector, particularly in banking environments. This role is ideal for a proactive and delivery-focused engineer who thrives in a collaborative, fast-paced environment and is passionate about building scalable, modern applications. 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

🏢 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

🏢 Summary: Senior Java Developer role focused on building and integrating production-grade Java microservices within an AI-enabled delivery programme. The position involves solution design, CI/CD quality enforcement, GenAI integration, and secure, observable service delivery in a cloud environment. Hybrid work model in Kraków with B2B contract. 🗂️ Requirements: Strong experience building Java microservices with Spring Boot, Solid experience with RDBMS (Oracle or PostgreSQL), Hands-on unit and integration testing using JUnit, Mockito, Testcontainers, Experience with CI/CD pipelines and quality gates, Understanding of REST and messaging/event-driven integration patterns, Hands-on experience with GCP, Practical experience with GenAI concepts and engineering tooling, Familiarity with RAG and agent patterns, Ability to contribute to technical design and resolve technical risks 📃 Skills: Java, SpringBoot, Microservices, Oracle, PostgreSQL, JUnit, Mockito, Testcontainers, Jenkins, GitLab, Sonar, SAST, DAST, REST, Messaging, GCP, GenAI, LLMs, RAG, Kubernetes, Docker, Copilot 🏢 Description: Location: Kraków (2 times per week from the office) B2B | 220–240 PLN netto/hour About the Role: We are looking for a skilled and motivated Senior Java Developer to join the AI‑Enabled Delivery Programme within the Global Collateral & Facility Management area. In this role, you will develop and integrate production‑grade Java microservices, contribute to solution design, and work across multiple workstreams. You will collaborate closely with Tech Leads, architects, QA, platform teams, and engineering partners to deliver secure, well‑tested, and reliable services. Key Responsibilities: Build, test, release, and support Java microservices Contribute to solution design aligned with architecture and non‑functional requirements Identify and resolve technical risks, dependencies, and delivery blockers Follow engineering standards (coding, branching, CI/CD quality gates, test strategy) Deliver unit, integration, and contract tests with measurable coverage Participate in design, code, and security reviews Use AI‑assisted tooling (e.g., Copilot) responsibly to accelerate delivery Apply guardrails for AI‑generated code (reviews, secure coding, traceability) Use GenAI techniques where appropriate (LLMs, prompt engineering, validation) Contribute to GenAI‑enabled patterns (LLMs, RAG, agent workflows) Embed security‑by‑design and vulnerability management Build production‑ready services with observability and performance readiness Support release activities, integration, and environment preparation Collaborate with Tech Leads, QA, SRE, architects, and platform teams Requirements: Strong hands‑on experience building Java microservices (Spring Boot) Solid experience with RDBMS (Oracle/PostgreSQL) Strong unit and integration testing practices (JUnit, Mockito, Testcontainers) Experience with CI/CD pipelines and quality gates (Jenkins/GitLab, Sonar, SAST/DAST) Good understanding of integration patterns (REST, messaging/eventing) Experience contributing to technical design and making pragmatic trade‑offs Hands‑on experience with GCP Practical exposure to GenAI concepts and engineering tooling Familiarity with RAG/agent patterns and governance Nice to Have: Experience delivering regulated financial services platforms Exposure to cloud‑native patterns (containers, Kubernetes, service mesh) Experience with performance engineering and resilience testing Experience implementing AI‑enabled SDLC practices Hands‑on experience with GenAI integrations (RAG pipelines, evaluation, prompt/versioning) What We Offer: Opportunity to work on strategic, high‑impact engineering initiatives Exposure to modern AI‑enabled SDLC practices Flexible working model Supportive, international engineering environment Benefits package: Multisport Card, Luxmed 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