Expert Java API Engineer – Payment Processing

Unleash the future of payments — engineer resilient, cloud-ready platforms that power next-generation financial services! Krakow-based opportunity with hybrid work model. As an Expert Java API Engineer , you will be working for our client in the financial services industry, helping deliver a future-state architecture for payment processing.

You will build lean, reusable payment capabilities focused on high availability, resilience, modernization, and cloud adoption—enabling new products to reach customers faster, with greater quality and efficiency. Your main responsibilities: Deliver engineering expertise for future-state payment processing architecture. Design, develop, test, debug, and document high-quality software and API solutions.

Build highly available and resilient payment processing services using modern microservice architectures. Produce architectural artefacts, technical alternatives, data models, and low-level designs. Partner with DevOps teams to enable automated infrastructure delivery, DevSecOps value streams, and CI/CD pipelines.

Provide technical leadership, architecture guidance, mentoring, and consultation to development teams. Identify and resolve complex architectural, development, technical, and business issues. Support the modernization of the payment estate while ensuring compliance with relevant controls, standards, cybersecurity, and data privacy requirements.

You're ideal for this role if you have: A Bachelor’s degree in Computer Science, Engineer