Backend Developer (Java)

We are looking for a Backend Engineer with strong experience in building scalable, reliable, and high- performance systems. You will work on designing APIs, handling large-scale data, and building robust backend services using Java and Spring Boot.

Responsibilities:

• Design, develop, and maintain backend services and APIs using Java (Spring Boot).
• Build scalable and fault-tolerant systems to handle high traffic and large data volumes.
• Design clean and efficient RESTful APIs and service contracts.
• Collaborate with frontend, product, and design teams to deliver end-to-end features
• Optimise system performance, latency, and throughput.
• Ensure high code quality through testing, code reviews, and best practices.
• Debug production issues and ensure system reliability and uptime.
• Participate in system design and architectural decisions.
• Own services end-to-end, including development, deployment, and monitoring.

Requirements:

• Strong proficiency in Java.
• Hands-on experience with Spring Boot / Spring Framework.
• Solid understanding of data structures, algorithms, and OOPs concepts.
• Experience building and consuming REST APIs.
• Strong knowledge of databases: Relational (MySQL, PostgreSQL), Basics of NoSQL (Redis, MongoDB, etc. )
• Understanding of concurrency, multithreading, and JVM internals.
• Familiarity with caching strategies (Redis, in-memory caching).
• Experience with Git and version control workflows.
• Experience with Docker and containerization.
• Knowledge of microservices architecture and service communication (REST/gRPC, Kafka).
• Familiarity with message queues/streaming systems (Kafka, RabbitMQ).
• Experience with monitoring and observability tools (Prometheus, Grafana, ELK, Datadog).
• Understanding of security best practices (authentication, authorisation, OAuth, JWT).
• 4 years of backend development experience.

Good to Have:

Experience with deployment strategies:

• Blue-Green deployments
• Canary releases
• Rolling deployments
• Exposure to CI/CD pipelines (Jenkins, GitHub Actions, CircleCI, etc. )
• Basic experience with AWS / cloud infrastructure:
• EC2, S3, RDS
• Load balancers, auto-scaling