Full Stack Java React Developer

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Join a global engineering team within the banking sector focused on delivering high-quality production code through a scalable microservices architecture. In this Full Stack role, you will balance backend application design and frontend development while fostering a modern, high-performing engineering culture. You will collaborate across regional boundaries, address technical risks, and drive automated deployment practices to push changes to production frequently.

Details

• Contract Type: B2B
• Allocation: Full-time workload
• Start Date: ASAP / 1-month notice period acceptable
• Duration: Long-term (> 12 months)
• Work Model: Hybrid – 6 days per month required in the Kraków office (flexible scheduling, including the option to complete all 6 days in a single block)
• Recruitment Process: 2 rounds (Technical Interview & Live Coding)

Responsibilities

• Hands-on Delivery: Write, review, and ship production-ready full-stack code aligned with a distributed microservices structure.
• API & Database Engineering: Design, develop, and deploy robust RESTful APIs and write schemas for relational databases.
• Cross-Functional Collaboration: Partner with a global engineering and business network, removing delivery impediments and proactively flagging risks to program management.
• Process Optimization: Monitor business, engineering, and non-functional project requirements to eliminate technical debt and process inefficiencies.

Requirements

• Senior Engineering Baseline: Proven commercial track record in backend application design, development, and enterprise deployment.
• Architecture: Strong experience implementing and maintaining code within a microservices ecosystem.
• CI/CD Mindset: Demonstrated ability to support frequent, automated production releases.
• API Development: Extensive hands-on experience building and deploying RESTful APIs.
• Database Skills: Strong proficiency in schema design and querying within PostgreSQL databases.
• Languages: Full professional English proficiency (the sole project language).

Nice to Have

• Solid experience with Java, preferably using recent versions of the language.
• Practical familiarity with frontend development using ReactJS.
• Understanding of cloud-native systems, containerization, and orchestration technologies (Docker, Kubernetes, and GCP).
• Prior domain experience working within the financial or fintech/banking sector.
• Polish B2+