Full Stack Engineer (Java, ReactJS)

Industry: Banking

• Kraków area: approx. 5 times per month

• Warsaw area: approx. 3 times per month (office located in Warsaw)

• Other locations: 1 time per month or 3 times per quarter (option to group visits)

We are developing in-house solutions that support the onboarding and KYC processes for corporate and institutional clients. Our teams build modern client-facing applications and orchestration capabilities that significantly reduce the time required for both clients and internal staff to complete key activities.

We are looking for a Full Stack Engineer who enjoys working end-to-end — from architecture and design to hands-on coding and production delivery — in a dynamic, microservice-based environment.

Your responsibilities

• Deliver production-ready code and contribute to the system’s architecture and design aligned with a microservices structure.

• Work with both functional and non-functional requirements, ensuring scalability and quality.

• Contribute to building a strong engineering culture within the team.

• Collaborate closely with global teams and coordinate work across regions.

• Proactively remove impediments, identify risks, and communicate issues to program management.

• Spot process inefficiencies and implement innovative, programmatic improvements.

Requirements

• Strong experience in software engineering with hands-on expertise in designing, developing, and deploying backend applications using Java (Recent experience with modern Java versions).

• Proven experience delivering code within a microservice architecture.

• Experience building and deploying RESTful APIs.

• Experience writing schemas and working with PostgreSQL databases.

• Understanding of containers and orchestration tools such as Docker / Kubernetes, and exposure to GCP.

• Experience developing UI applications using ReactJS.

• Experience shipping changes to production at high frequency.

• Previous experience working in the financial or banking sector (nice to have)