Senior Full-Stack Developer

We are working on a distributed project for a leading investment bank, focused on building and maintaining a Java backend with multiple frontends. The platform serves as a critical operational solution, providing high-quality reference data that enables various business and logistics functions across the organization. Regular releases deliver new features and enhancements to meet the needs of business users.We are looking for an experienced Full-Stack Java Developer who feels equally confident working with cutting-edge frameworks as well as legacy technologies. You will be responsible for maintaining and modernizing existing systems, while also actively contributing to React-based user interfaces. This role offers the opportunity to combine deep backend expertise with hands-on frontend development, making a direct impact on the stability and evolution of a platform essential to the bank’s operations.This role offers a hybrid model, allowing you to work three days a week from our office in Kraków. ResponsibilitiesDesign, develop, and optimize backend services in JavaWork with both modern frameworks (Spring Boot, Quarkus) and legacy stacks (Struts, JSP, JDBC)Contribute to architectural design and system integration within a complex enterprise environmentCollaborate with Oracle Database: schema design, SQL, and PL/SQL programmingManage CI/CD pipelines and deploy applications to Azure (App Services, Azure SQL, Kubernetes)Participate in UI development with React and TypeScript, closely collaborating with the frontend teamConduct code reviews, share knowledge, and mentor junior developers RequirementsStrong proficiency in Java (8/11/17) with 3+ years of relevant experienceSolid experience with modern frameworks (Spring, Spring Boot)Familiarity with legacy enterprise technologies (Struts, JSP, JDBC)Strong knowledge of Oracle Database, SQL, and PL/SQLHands-on experience deploying and maintaining applications in AzurePractical knowledge of React and TypeScript, with a willingness to actively contribute to UI developmentProficiency with Git and CI/CD tools (Azure DevOps, Jenkins, etc.)Fluency in English, both written and spoken, at a minimum B2 level Nice to haveExperience migrating legacy systems to modern technology stacksUnderstanding of microservices architecture principlesExperience with containerization (Docker, Kubernetes) We offerWe gather like-minded people:Engineering community of industry professionalsFriendly team and enjoyable working environmentFlexible schedule and opportunity to work remotely within PolandChance to work abroad for up to 60 days annuallyBusiness-driven relocation opportunitiesWe provide growth opportunities:Outstanding career roadmapLeadership development, career advising, soft skills, and well-being programsCertification (GCP, Azure, AWS)Unlimited access to LinkedIn Learning, Get Abstract, Cloud GuruEnglish classesWe cover it all:Stable income (Employment Contract or B2B)Participation in the Employee Stock Purchase PlanBenefits package (health insurance, multisport, shopping vouchers)Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and moreReferral bonusesCorporate, social and well-being eventsPlease, note:The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview.We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.