Backend Developer

Role & responsibilities

• Lead end-to-end design and development of scalable backend applications using Java, Spring Boot, and Microservices.
• Architect distributed, scalable, fault-tolerant, and high-performance systems.
• Design and develop REST/GraphQL APIs and support frontend integrations.
• Implement secure authentication and authorization using OAuth2, OIDC, JWT, and RBAC.
• Build event-driven architectures using Kafka, SQS, or RabbitMQ.
• Work with SQL/NoSQL databases, caching, data modeling, and consistency patterns.
• Drive cloud and DevOps practices using AWS, Docker, Kubernetes, CI/CD, Jenkins/GitHub Actions.
• Perform architecture reviews, code reviews, troubleshooting, and performance optimization.
• Lead technical initiatives, establish engineering best practices, and mentor backend engineers.
• Collaborate with Product, Frontend, Security, and Platform teams to deliver robust technical solutions.

Preferred candidate profile

• Strong hands-on expertise in Java, Spring Boot, Microservices, and Distributed Systems.
• Proven experience designing scalable REST/GraphQL APIs and high-traffic backend applications.
• Strong understanding of concurrency, multithreading, memory management, and performance tuning.
• Experience with AWS, Docker, Kubernetes, and CI/CD.
• Hands-on experience with Kafka/event-driven architecture and messaging systems.
• Strong knowledge of SQL/NoSQL databases, data modeling, caching, and resilience patterns.
• Experience with OAuth2, OIDC, JWT, RBAC, and backend security.
• Experience with JUnit, TestNG, Mockito, integration testing, and contract testing.
• Strong technical leadership, architecture, mentoring, and stakeholder-management capabilities.