Fullstack Engineer (Java, React)

For our Client we are looking for an experienced Fullstack Developer to participate in all parts of the development life cycle including analysis, testing and production support.   📍 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: • Participating in software architecture design • Leading UI changes and improvements to increase overall UX and application stability • Implementing solutions according to best Design Patterns • Analyze requirements to fully understand solutions and recommend improvements • Create comprehensive and clear documentation for developed solutions • Develop and work on application prototypes to validate concepts and designs • Management of Changes through the Service management lifecycle • Active involvement in Automation and improvement of Service Management lifecycle • Provide exceptional customer support by addressing and resolving issues promptly • Communicate effectively with customers to understand their needs and provide appropriate solutions Requirements: • 5+ professional experience in production applications development in Java including front-end development (preferably React) with a strong ability to troubleshoot, resolve, and prevent issues in a high-pressure environment • Proficiency in Java and Web API development, with a solid understanding of building and maintaining scalable, secure, and efficient backend services • Expertise in database design and SQL skills, particularly with PostgreSQL including advanced T-SQL scripting, query optimization, and performance tuning • Comprehensive experience in a DevOps activities like continuous integration, continuous delivery • Experience with the Software Development Life Cycle (SDLC), including requirements gathering, design, development, testing, deployment, and maintenance • 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