Senior Java Developer

EPAM's Financial Services Practice is looking for an exceptionally talented Senior Java Developer to join our team of world-class engineers. You will work on cutting-edge technology solutions for one of the world's largest and most prestigious global investment banks — an institution at the forefront of financial innovation, operating across investment banking, securities, asset management, and consumer banking worldwide.This is an opportunity to build high-performance, data-intensive systems within a fast-paced financial environment, collaborating with top-tier engineering talent on platforms that operate at global scale.This role requires availability to work from the client's office in Warsaw 3 times a week.ResponsibilitiesDesign, develop, and maintain robust Java-based backend services and applicationsBuild and enhance scalable RESTful APIs serving critical business functionsImplement reactive, event-driven solutions for high-throughput data processingWork with NoSQL databases to manage and query large-scale datasetsDevelop comprehensive unit and integration tests to ensure code quality and reliabilityCollaborate with globally distributed, cross-functional teams to deliver end-to-end solutionsParticipate in architectural discussions and contribute to system design for scalability and performanceOperate within an Agile Scrum framework, delivering iteratively with continuous feedbackRequirements6+ years of professional software development experienceStrong Java development experience — with a focus on Java 8 & 9Experience with NoSQL databases — ideally MongoDBExperience implementing REST APIs — ideally with JAX-RSExperience with Reactive Programming — ideally with RxJavaSolid experience implementing unit testsStrong analytical and problem-solving skillsGood communication skills in English for collaboration within an international teamNice to haveExperience developing applications in fintech or established financial institutionsExperience with microservice architecturesExperience developing systems that can scale to large amounts of dataExperience working in Agile ScrumExperience working on a globally distributed teamWe offerWe gather like-minded people:Top tech minds driving innovation in AI, cloud and digital platform modernizationSupportive team and agile, startup-like cultureHybrid by design mode and opportunity to work remotely within PolandChance to work abroad for up to 60 days annuallyBusiness-driven relocation opportunitiesWe provide growth opportunities:Career development programsThought leadership, mentoring, soft skills and well-being programsCertification (Anthropic, Gemini, GCP, Azure, AWS)English classesWe cover it all:Stable payParticipation in the Employee Stock Purchase Plan with a 15% discountBenefits package (health insurance, multisport, shopping vouchers)Referral bonuses up to $2,000Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and moreCorporate, social and well-being eventsPlease, note:Benefits listed above are available to employees onlyWe are open for working with Contractors. Terms of B2B cooperation agreements are agreed individuallyWe will reach out to selected candidates exclusivelyEPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups.

With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.