Back-end Developer

Responsibilities:

Design, develop, test, and deploy backend services using Java. Build RESTful and SOAP APIs for banking applications and integrations. Implement business logic for banking workflows such as customer management, accounts, loans, payments, and transactions. Develop scalable and reusable backend components.

API Development & Integration:

Design and implement APIs based on business requirements and technical standards. Integrate banking systems, third-party services, and external platforms. Handle API validation, error management, and transaction processing. Collaborate with API teams to publish and manage APIs.

Database & Data Management:

Design and optimize database structures and queries. Ensure data consistency, integrity, and performance. Manage data operations for banking transactions and workflows.

Security Implementation:

Implement authentication and authorization mechanisms. Work with OAuth2, JWT, OpenID Connect, and RBAC. Apply secure coding practices to protect customer and financial data.

Testing & Support:

Write unit and integration tests. Support QA activities and resolve technical issues. Troubleshoot production issues and improve system performance.

DevOps & Deployment:

Work with CI/CD pipelines. Support Docker/Kubernetes deployments. Collaborate with DevOps teams on releases and environments.

Requirements:

Strong Java programming skills. Experience building enterprise backend applications. Knowledge of REST, SOAP, XML, JSON, and web services. Database experience (SQL/NoSQL). Understanding of microservices and event-driven architecture. Knowledge of OAuth2, JWT, and API security. Familiarity with Docker, Kubernetes, and CI/CD. Banking/financial services experience is an advantage. WSO2 experience is an advantage.