Senior Java Developer with AWS expertise

We are looking for a Senior Java Developer with AWS expertise to join our team and contribute to high-priority Cost Basis services aimed at enhancing system resiliency and modernizing APIs. This role involves working in a cloud-native, serverless environment while focusing on improving critical business processes and reducing technical and vendor risks. This role offers a hybrid model, with 3 days per week working from the client's office in Krakow or Gdansk, Poland. Responsibilities • Implement caching mechanisms for vendor calls within the existing Cost Basis services • Migrate selected business logic from REST APIs to a new GraphQL service • Deliver improvements to reduce risk and enhance system stability • Focus on the SMN application with occasional involvement in other Java-based Cost Basis services • Collaborate with distributed teams and take on a Tech Lead role in technical initiatives Requirements • 3+ years of experience in Java and backend service development • Hands-on experience with AWS, especially ECS and ElastiCache • Experience with API design and refactoring using REST and GraphQL • Familiarity with test automation tools • Experience with JIRA, Confluence, and production support tooling • Willingness to utilize agentic AI tools for technical analysis • Excellent communication skills with a track record of leading technical teams (Tech Lead or Lead Developer) • English proficiency at B2 level or higher Nice to have • Experience with monitoring and analysis tools like Splunk or Honeycomb • Knowledge of serverless architecture • Background in large-scale, distributed environments • Capability to manage offshore teams and drive end-to-end project delivery We offer/Benefits We gather like-minded people: • Engineering community of industry professionals • Friendly team and enjoyable working environment • Flexible schedule and opportunity to work remotely within Poland • Chance to work abroad for up to 60 days annually • Business-driven relocation opportunities We provide growth opportunities: • Outstanding career roadmap • Leadership development, career advising, soft skills, and well-being programs • Certification (GCP, Azure, AWS) • Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru • English classes We cover it all: • Stable income (Employment Contract or B2B) • Participation in the Employee Stock Purchase Plan • Benefits package (health insurance, multisport, shopping vouchers) • Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more • Referral bonuses • Corporate, social and well-being events Please, 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.