Role purpose :

- Design secure shared backend services, API gateways and system-to-system integrations for the personnel identity platform and other enterprise systems.

what you do :

- Develop and maintain secure REST APIs, backend modules and integration services using the approved backend stack.

- Own API contracts, schema validation, versioning, service authentication, rate limiting and error conventions.

- Implement identity lifecycle, enrolment, adjudication, card issuance and verification integrations as assigned.

- Integrate biometric enrolment and ABIS-related systems through documented approved vendor interfaces.

- Develop card personalisation, GIS/GPS, mobile-backend and enterprise integration APIs.

- Implement OAuth 2.0/OpenID Connect, RBAC and IAM/Keycloak integration where specified.

- Design transactional behaviour, idempotency, retries, timeouts, asynchronous queues and reconciliation.

- Create auditable business events, tracing, structured logs and secure handling of sensitive records.

- Build database access and optimise queries with clear ownership of business transactions.

- Publish OpenAPI specifications, sequence diagrams and interface test packs; support end-to-end integration.

- Expose governed services for centrally managed AI agents without delegating high-impact actions without approval.

- Design, version, and test robust API specifications and maintain the integration test suite.

- Build and optimize secure reference integrations that gracefully handle system failures and retries.





- Architect system workflows through sequence diagrams and define strict transaction and audit logging standards.

- Facilitate technical knowledge transfers and document operational playbooks for exception handling.

what we expect :

- 4+ years of Strong Java/Spring Boot (preferred project stack; final choice to be confirmed) or proven equivalent enterprise backend stack

- REST, JSON, OpenAPI/Swagger and API contract design

- SQL and PostgreSQL/MySQL, transactions and query optimisation

- OAuth 2.0/OpenID Connect, JWT, RBAC and TLS

- Asynchronous messaging, retries, idempotency and exception handling

- Git, automated unit/integration testing and secure coding

- Production-grade troubleshooting of multi-system integrations

Preferred / advantageous

- Keycloak and API gateways

- Biometric enrolment, ABIS, smart-card personalisation or secure identity systems

- RabbitMQ/Kafka, distributed tracing and high availability

- Defence/government and restricted-network deployment experience

- Integration with approved AI orchestration services

Education and collaboration

- Bachelor’s / Master’s degree or equivalent practical experience in computer science, IT, engineering or a closely related discipline.

- Solid problem-solving, documentation, secure-development discipline and collaboration with solution architecture, product, QA and operations teams.

Pay: ₹600,000.00 - ₹1,000,000.00 per year

Benefits

- Provident Fund

Work Location: In person

📌 Backend & Middleware Integration Engineer (Hyderabad)
🏢 4G Identity Solutions
📍 Hyderabad