Full-Stack Java Development Engineer - SREF & Gateway (Payments Services)

University degree in computer science or related field. Or equivalent work experience.

5 to 10 years experience in systems development.

Key Responsibilities

• Design, develop, and maintain full-stack applications using Java, Spring Boot, and modern front-end and back-end frameworks.
• Integrate and manage AI tools to optimize code generation, system monitoring, diagnostics, and documentation workflows (e.g., GitHub Copilot, Windsurf, MCP APIs, OpenAI, RAG, LLM-based automation).
• Build and maintain RESTful services, and OpenAPI-defined interfaces.
• Implement and optimize components within the payment pre-processing platform, including validation, routing, and data enrichment.
• Integrate solutions with banks, SWIFT services, and third-party actors.
• Contribute to the development and maintenance of API contracts, technical documentation, and data models.
• Collaborate with business and product teams to implement features or integrations related to payment pre-processing, compliance flows, reconciliation, and reporting..
• Participate in code reviews, design reviews, testing, and troubleshooting across the full technology stack.

Required Skills & Qualifications

• 3–5 years of professional software development experience.
• Strong expertise in Java, Spring Boot, and microservices architecture.
• Hands-on experience with REST web services, OpenAPI/Swagger, and API-first development.
• Practical knowledge of AI/ML tools for engineering workflows (RAG, Automated documentation generation, Automated test generation or code refactoring, LLM-based monitoring/analysis).
• Full-stack development capabilities (Java back-end + modern front-end technologies such as Angular or React).
• Experience in the financial sector, ideally with payment flows, transaction processing, or banking integration.
• High level of English, spoken and written.
• Experience with AWS architecture and cloud-native development.
• Experience with API management platforms (Apigee, Amazon API Gateway, Kong).
• Knowledge of SWIFT standards, payments and Swift platform.
• Experience with CI/CD, Docker, Kubernetes, and security practices relevant to financial systems.

• Adaptability and enthusiasm for learning new tools, especially in AI and cloud engineering.
• Structured thinker with solid problem-solving skills and a data-driven mindset.
• Excellent communication skills and ability to collaborate with both technical and non-technical international teams.
• Strong sense of ownership, autonomy, and ability to drive initiatives end-to-end.
• Ability to work in fast-paced, regulated environments with multiple stakeholders