FullStack Engineer Java

📍 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