Java Engineer

🏢 Summary: Lead Backend Engineer role focused on building and evolving a global payments platform, driving backend development in Java and advancing test automation in a DevOps environment. The position combines technical leadership with hands-on development of scalable microservices and modern integration solutions. You will lead architectural improvements and automation strategy to ensure secure, efficient financial processing. 🗂️ Requirements: 10+ years of professional software engineering experience, Minimum 3 years in technical leadership or Lead Developer role, Strong proficiency in Java 8+, Deep understanding of microservices architecture and design patterns, Advanced hands-on experience in designing and implementing test automation frameworks, Solid knowledge of Spring and Spring Boot, Experience with RESTful microservices and APIs, Experience with databases and SQL 📃 Skills: Java, Spring, SpringBoot, Microservices, REST, API, SQL, Oracle, Kafka, TDD, Python, Bash, DevOps 🏢 Description: Lead Backend Engineer (Java & Test Automation) Your Career Opportunity: Global Disbursements Platform Join a high-performing team building Global Disbursements , a cutting-edge payments platform that enables customers to move funds freely and fast across the globe. Our system handles everything from supplier payments and salary credits to direct tax settlements and multi-channel money transfers. As a Lead Backend Engineer , you will drive the delivery of key projects through high-quality analysis, Agile design, and deep technical insight. You will work in a modern DevOps environment, ensuring our solutions are scalable, secure, and highly efficient. What You’ll Do: Technical Leadership: Provide mentorship and guidance to a team of engineers, fostering a culture of excellence and growth. Backend Development: Lead the design and development of robust backend services and microservices using Java 8/11/17. Automation Strategy: Drive the team’s approach to automated testing, promoting best practices and implementing frameworks to optimize delivery and reduce costs. Architectural Evolution: Reduce system complexity by migrating to modern integration patterns, including APIs, Kafka, and microservices. Process Optimization: Oversee the enhancement of Straight-Through-Processing (STP) capabilities to ensure seamless financial operations. What You Need to Succeed (Must-have): Experience: At least 10 years of professional software engineering experience, with a minimum of 3 years in a technical leadership or Lead Developer role. Java Mastery: Strong proficiency in Java 8+ (Java 17+ is highly preferred). Architecture: Deep understanding of microservices architecture, design patterns, and industry best practices. Test Automation: Advanced, hands-on experience in software testing, specifically in designing and implementing automation frameworks. Tech Stack: Solid knowledge of Spring/Spring Boot and a working understanding of RESTful microservices and APIs. Data: Experience with database technologies and SQL (Oracle preferred). Nice-to-have: Experience with Test-Driven Development (TDD) methodologies. Knowledge of scripting languages such as Python or Bash . Previous experience working within or closely with a QA team. 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: B2B role for a Java Engineer focused on backend development and test automation for a global payment platform, supporting migration to scalable, API-driven microservices architecture. The position combines Java service development with building automation frameworks to ensure high-quality, modernized systems. Hybrid work model with competitive hourly rate. 🗂️ Requirements: Strong proficiency in Java 11+, Hands-on experience in test automation, Experience building automation frameworks, Solid understanding of RESTful APIs, Experience with microservices architecture, Proficiency with Git, Ability to work in Unix/Linux environments, Experience with SQL and relational databases, Knowledge of Spring, Knowledge of Spring Boot 📃 Skills: Java, REST, Microservices, Git, Unix, Linux, SQL, Oracle, Spring, SpringBoot, TDD, Python, Bash 🏢 Description: Java Engineer & Test Automation Rate: 190–220 PLN/h (B2B) Location: Kraków or Warsaw (hybrid – 2 days per week onsite) About the role: Join the team developing the Global Disbursements payment platform — a solution enabling clients to seamlessly move funds worldwide, pay suppliers, process salaries, handle tax payments, and execute transfers across multiple channels. In this role, you will build modern backend services, enhance automation testing capabilities, and support the evolution of the platform toward a scalable, API‑driven architecture. Responsibilities: Develop and maintain backend services and microservices using Java 11/17/21 . Design, implement, and maintain test automation frameworks to ensure high software quality. Support migration from legacy systems to modern API/microservices-based solutions. Contribute to increasing Straight-Through-Processing (STP) capabilities. Collaborate within Agile and DevOps-oriented teams. Requirements: Strong proficiency in Java 11+ (Java 17+ preferred). Hands-on experience in test automation and building automation frameworks. Solid understanding of RESTful APIs and microservices. Proficiency with Git . Comfortable working in Unix/Linux environments. Experience with SQL and relational databases (Oracle is a plus). Knowledge of Spring / Spring Boot . Nice-to-have: Experience with TDD . Scripting skills (e.g., Python , Bash ). Previous work in a QA-focused environment. Understanding of application monitoring tools. What we offer: Competitive B2B rate: 190–220 PLN/h . LuxMed private medical care. Multisport card. Opportunity to work on a global-scale payment platform using modern technologies. 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: Senior Backend Engineer role focused on designing and building scalable Java-based microservices and REST APIs for a global payments platform. The position involves modernizing legacy systems into cloud-native architectures and improving reliability and performance in a Kubernetes environment. You will work on high-scale international payment solutions within a hybrid setup in Kraków. 🗂️ Requirements: Strong experience with Java 11+, Experience building microservices, Experience developing REST APIs, Hands-on experience with Kubernetes, Solid knowledge of SQL and relational databases, Experience with Git, Experience working in Unix/Linux environments, Understanding of DevOps practices 📃 Skills: Java, Spring, Kubernetes, SQL, Oracle, Git, Linux, Unix, REST, Microservices, CI/CD, React 🏢 Description: Senior Software Engineer (Backend) – Java 📍 Kraków | Hybrid (2x day per week from the office) We are looking for an experienced Senior Software Engineer (Backend) to join a global technology team working on a large-scale payments platform that enables businesses and customers worldwide to move funds quickly and securely across markets. The platform supports international transfers, supplier payments, payroll processing, and payments to authorities across multiple channels. You will contribute to building modern, scalable systems used globally. What you will be doing • Design, develop and maintain backend services and microservices in Java • Build scalable REST APIs supporting a global payments platform • Contribute to the migration from legacy systems to a modern microservices architecture • Work with Kubernetes-based platforms and cloud-native environments • Improve system reliability, performance and Straight‑Through‑Processing (STP) capabilities • Collaborate with international engineering teams, DevOps and product stakeholders • Contribute to test automation and modern CI/CD practices What we are looking for • Strong experience with Java (11+) , ideally Java 17+ • Experience building microservices and REST APIs • Hands-on experience with Kubernetes • Solid knowledge of SQL and relational databases (Oracle is a plus) • Experience with Git and modern development workflows • Comfortable working in Unix/Linux environments • Understanding of DevOps ways of working Nice to have: • Experience with Spring / Spring Boot • Experience with React or modern frontend technologies • Familiarity with application monitoring / observability tools What we offer • Opportunity to work on a global, high-scale payments platform • Collaboration with international engineering teams • Modern technology stack and cloud-native environment • Hybrid work model in Kraków 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: Frontend Engineer role focused on building and supporting a large-scale global payments platform using modern React and TypeScript. The position involves developing front-end applications and collaborating on microservices within an Agile, DevOps-oriented environment. The engineer will enhance payment flows, automation testing, and operational tooling. 🗂️ Requirements: Minimum 6 months experience in payments or disbursements domain, Strong knowledge of React 18, Strong knowledge of TypeScript 5, Strong knowledge of Bootstrap 5, Experience with Java 8 or higher, Understanding of RESTful microservices and APIs, Experience with SQL and databases, Experience with legacy UX technologies (JSP), Understanding of DevOps ways of working 📃 Skills: React, TypeScript, Bootstrap, Java, REST, SQL, JSP, Microservices, DevOps 🏢 Description: Frontend Engineer – React / TypeScript 📍 Kraków | Hybrid (2 days per week from the office) 💼 B2B | 180–220 PLN/h We are looking for a Frontend Engineer to join a regional EMEA technology team working on the Global Disbursements platform - a large‑scale payments system enabling customers and businesses to move funds quickly and securely across markets. What you will be doing: • Develop, maintain and support front‑end applications and microservices • Work with React 18, TypeScript 5, Bootstrap 5 • Build and support services in collaboration with backend teams using Java 8/11/17 and Spring Boot • Contribute to improving observability and operational tooling for payment flows • Support automation testing frameworks to reduce testing costs • Enhance Straight‑Through‑Processing (STP) capabilities of services • Collaborate with engineering, product and DevOps teams in an Agile environment What we are looking for: • At least 6 months of experience in the payments/disbursements area • Strong knowledge of React 18, TypeScript 5, Bootstrap 5 • Experience with Java 8+ (Java 17+ is a plus) • Working understanding of RESTful microservices and APIs • Experience with SQL and database technologies • Previous experience with legacy UX technologies (e.g., JSP) • Understanding of DevOps ways of working Nice to have: • Knowledge of Spring / Spring Boot • Experience working in DevOps delivery teams • Familiarity with legacy UI technologies 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: Hybrid Backend Engineer role focused on designing and building scalable, fault-tolerant backend systems within a microservices and event-driven architecture. The position involves developing secure, production-ready APIs, contributing to modern cloud-native infrastructure, and ensuring high code quality and best practices. You will also support architectural evolution and deliver end-to-end business solutions in a DevOps-driven environment. 🗂️ Requirements: Strong experience with Java 8+, Proficiency in Spring Framework, Spring Boot, Spring Cloud, Hands-on experience with Kubernetes and Docker, Experience with public cloud platforms, Knowledge of Microservices Architecture, Knowledge of Event-Driven Architecture, Experience designing REST and GraphQL APIs, Experience with SQL and NoSQL databases, Experience with messaging systems, Understanding of security mechanisms (JWT, OAuth, TLS), Experience with CI/CD pipelines and DevOps tools, Knowledge of design patterns and scalable system design, Ability to deliver end-to-end backend applications 📃 Skills: Java, Spring, SpringBoot, SpringCloud, Kubernetes, Docker, REST, GraphQL, SQL, NoSQL, Oracle, PostgreSQL, MySQL, MongoDB, Cassandra, Kafka, RabbitMQ, IBMMQ, JWT, OAuth, TLS, Jenkins, GitLab, Microservices, CI/CD, Cloud 🏢 Description: Backend Engineer (Hybrid – 2 days/week in the office) We are looking for an experienced Backend Engineer to join a high-performing engineering team. In this role, you will be responsible for building scalable, high-quality backend systems and contributing to modern architecture initiatives. Responsibilities Design and develop highly scalable, performant, and fault-tolerant applications Contribute to the evolution of Microservices and Event-Driven Architecture Collaborate with Solution Architects and Tech Leads to translate technical designs into production-ready solutions Design systems with a strong focus on security, infrastructure, and data governance standards Contribute to system and API design, ensuring modularity and maintainability Ensure coding standards and promote best practices in development, testing, and documentation Mentor junior engineers, conduct code reviews, and provide technical leadership Ensure compliance with relevant controls, standards, and service management practices Deliver high-quality solutions on time, aligned with business expectations Support team engagement, ownership, and a sustainable, high-quality delivery pace Requirements Strong experience with Java 8+ , Spring Framework , Spring Boot , Spring Cloud Hands-on experience with Kubernetes , Docker , databases, and public cloud platforms Deep understanding of Microservices Architecture and Event-Driven Architecture Strong knowledge of design patterns and principles (focus on scalability and maintainability) Expertise in designing and developing APIs ( REST , GraphQL ) Experience with both SQL and NoSQL databases (e.g. Oracle, PostgreSQL, MySQL, MongoDB, Cassandra) Experience with messaging/middleware technologies (e.g. Kafka, IBM MQ, RabbitMQ) Understanding of security mechanisms (JWT, OAuth, TLS, authentication & authorization) Experience with DevOps tools and CI/CD pipelines (e.g. Jenkins, GitLab, Kubernetes, Docker) Proven experience in technical leadership and working with cross-functional teams Ability to deliver end-to-end business applications with high quality and low maintenance overhead Basic understanding of frontend-backend integration 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: FullStack Software Engineer role in a global payments platform project within the financial sector, focused on developing and modernizing backend and frontend components in a microservices architecture. The position involves migrating legacy systems to modern solutions and delivering scalable, high-performance services in an Agile/DevOps environment. Work includes building APIs, enhancing automation, and improving system reliability and performance. 🗂️ Requirements: Strong experience with Java 11+ (preferably 17+), Hands-on experience with Kubernetes, Experience with Git and version control workflows, Proficiency in Unix/Linux and CLI tools, Solid knowledge of SQL and Oracle databases, Experience building RESTful APIs and microservices, Frontend experience with JavaScript and React, Experience working in Agile/DevOps environment, English proficiency at B2+ level 📃 Skills: Java, React, JavaScript, Kubernetes, Git, Linux, Unix, SQL, Oracle, REST, Microservices, CI/CD 🏢 Description: 📍 Location: Kraków, Poland (hybrid - 2 days per week in the office) 📄 B2B Contract: 180 - 200 PLN / hour We are looking for a FullStack Software Engineer to join an international project delivered for a large organization within the financial services sector. The team is working on a global payments platform that enables fast and secure fund transfers across multiple channels, including supplier payments, salaries, tax processing, and international transactions. This role focuses on developing and modernizing both backend and frontend components of the platform, contributing to the transition from legacy systems to a modern microservices-based architecture. You will work in an Agile, DevOps-driven environment, supporting scalable and high-performance solutions. Key Responsibilities: Develop and maintain backend and frontend applications using Java (11/17/21) and React Build and support APIs and microservices within a distributed architecture Participate in modernization initiatives, including migration from legacy systems (e.g. mainframe, WebSphere) to microservices-based solutions Collaborate with cross-functional teams to design and deliver new features Improve system performance, scalability, and reliability Contribute to automation initiatives, including test automation and CI/CD improvements Increase Straight-Through-Processing (STP) capabilities of services Work in an Agile / DevOps environment with a focus on continuous delivery Requirements: Strong experience with Java (11+), ideally Java 17+ Hands-on experience with Kubernetes Experience with Git and version control workflows Good command of Unix/Linux environments and CLI tools Solid understanding of SQL and databases (Oracle preferred) Experience in building and integrating RESTful APIs and microservices Frontend knowledge (JavaScript / React preferable) Experience working in Agile / DevOps teams Strong analytical and problem-solving skills Good communication skills and English proficiency (B2+) What We Offer: Long-term cooperation on an enterprise-scale international project Opportunity to work on modernizing large-scale payment systems Real impact on system transformation and engineering practices Private medical care (LuxMed) & Multisport card Collaboration with experienced, international engineering teams 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: Frontend Engineer role focused on building and maintaining front-end applications for a large-scale global payments platform. The position involves working with modern React and TypeScript stack, collaborating with backend teams, and enhancing payment processing and observability tools. The role is delivered in a hybrid model within an Agile, DevOps-oriented environment. 🗂️ Requirements: Strong knowledge of React 18, Strong knowledge of TypeScript 5, Strong knowledge of Bootstrap 5, Understanding of RESTful microservices and APIs, Experience with SQL and databases, Experience with legacy UX technologies (e.g., JSP), Understanding of DevOps ways of working 📃 Skills: React, TypeScript, Bootstrap, REST, SQL, JSP, Microservices, APIs, DevOps, Agile 🏢 Description: Frontend Engineer – React / TypeScript 📍 Kraków | Hybrid (2 days per week from the office) 💼 B2B | 180–200 PLN/h We are looking for a Frontend Engineer to join a regional EMEA technology team working on the Global Disbursements platform - a large‑scale payments system enabling customers and businesses to move funds quickly and securely across markets. What you will be doing: • Develop, maintain and support front‑end applications and microservices • Work with React 18, TypeScript 5, Bootstrap 5 • Build and support services in collaboration with backend teams using Java 8/11/17 and Spring Boot • Contribute to improving observability and operational tooling for payment flows • Support automation testing frameworks to reduce testing costs • Enhance Straight‑Through‑Processing (STP) capabilities of services • Collaborate with engineering, product and DevOps teams in an Agile environment What we are looking for: • Strong knowledge of React 18, TypeScript 5, Bootstrap 5 • Working understanding of RESTful microservices and APIs • Experience with SQL and database technologies • Previous experience with legacy UX technologies (e.g., JSP) • Understanding of DevOps ways of working Nice to have: • Knowledge of Spring / Spring Boot • Experience working in DevOps delivery teams • Familiarity with legacy UI technologies • Experience with Java 8+ (Java 17+ is a plus) 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: 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: Lead Software Engineer (Java) role focused on developing and modernizing a large-scale international payment platform in a financial services environment. The position combines hands-on development with technical leadership, emphasizing microservices, API-first architecture, and DevOps practices. The engineer will design, build, and optimize high-performance systems supporting global payment operations. 🗂️ Requirements: Minimum 10 years of professional IT experience, Strong knowledge of Java 11+ (Java 17+ preferred), Experience with Spring and Spring Boot, Strong knowledge of SQL and relational databases (Oracle preferred), Experience designing REST APIs, Experience with microservice architectures, Experience working in DevOps teams, Experience with Kubernetes, Experience with Git 📃 Skills: Java, Spring, SpringBoot, SQL, Oracle, REST, Microservices, Kubernetes, Git, React, JavaScript, DevOps 🏢 Description: 📍 Location: Kraków (hybrid - 2 days in the office per week) 📄 B2B: 200–250 PLN / h 🏦 Industry: Financial Services / Payments We are looking for a Lead Software Engineer (Java) to work on an international payment platform used in a large-scale enterprise environment. The system supports a variety of financial transfers and payment operations across multiple regions. This role combines technical leadership and hands-on development, including mentoring a development team and designing modern software solutions. You will work in an Agile environment with a focus on microservices, API-first architecture, and DevOps practices. Key Responsibilities: Provide technical leadership and mentorship to the development team. Design, develop, and maintain applications and microservices (backend and frontend). Work with Java 11/17/21 and frontend technologies such as React. Modernize existing systems and migrate to API/microservice-based architectures. Implement and improve automated testing frameworks. Enhance efficiency and automation of processing workflows (STP). Collaborate closely with technical teams and business stakeholders. Requirements: Minimum 10 years of professional experience in IT. Strong knowledge of Java 11+ (Java 17+ preferred). Experience with Spring / Spring Boot. Strong SQL and relational database knowledge (Oracle preferred). Experience designing REST APIs and microservice architectures. Experience working in DevOps teams. Nice to have: Knowledge of JavaScript / React (preferred). Experience with Kubernetes and Git (required). What We Offer: Work on a long-term, international project with high scale and complexity. Real impact on architecture, standards, and best practices. Luxmed healthcare package and Multisport card. Mature engineering environment focused on quality and automation. 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: Backend Java Developer role focused on designing, building, and delivering scalable microservices and RESTful APIs in a regulated banking environment. The position involves hands-on development in modern Java, working with PostgreSQL, and contributing to production deployments with high release frequency. Mostly remote work with collaboration across globally distributed teams during late CET hours. 🗂️ Requirements: Minimum 3 years of commercial experience as Backend Java Developer, Hands-on experience with recent versions of Java, Experience with microservices architecture in production, Experience delivering RESTful APIs to production, Practical experience with PostgreSQL, Experience with schema design and query optimization, Experience in banking or financial services sector, Experience working with frequent releases and production deployments 📃 Skills: Java, Microservices, REST, PostgreSQL, SQL, Banking, Financial-services 🏢 Description: 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.