Backend Developer - Java Technologies

Description : Java Back end Developer (Spring Boot, Micro services, Kafka, AWS)

Location : Mumbai (5 days wfo)

Experience : 6 to 15 years

Role Type : Backend / Microservices Developer

Industry : FinTech, SaaS, Product, BFSI, E-commerce

Responsibilities :

- Design, develop, and maintain Java-based backend services using Spring Boot.

- Build and optimize microservices with high scalability, performance, and reliability.

- Implement event-driven systems and streaming pipelines using Kafka.

- Develop secure and optimized REST APIs and integrate with internal/external services.

- Work with AWS services (EC2, S3, Lambda, RDS, ECS/EKS, CloudWatch, SNS/SQS).

- Collaborate with DevOps for CI/CD pipelines, containerization (Docker/Kubernetes).

- Troubleshoot production issues, optimize performance, and ensure high availability.

- Work closely with product, QA, and frontend teams to deliver end-to-end features.

- Write clean, maintainable, well-tested code following best practices.

- Participate in code reviews, architecture discussions, and agile ceremonies.

Required Skills :

- Strong experience in Core Java / Java 8+, OOPs, Collections, Multithreading.

- Hands-on experience with Spring Boot, Spring MVC, Spring Data.

- Deep understanding of Microservices Architecture.

- Experience with Kafka (producers, consumers, topics, partitions).

- Solid understanding of REST API design.

- Experience with relational databases (MySQL/PostgreSQL) or NoSQL (MongoDB).

- Hands-on with AWS cloud services.

- Knowledge of Docker, Kubernetes, Jenkins, Git.

- Familiarity with distributed systems, caching (Redis), and performance tuning.

Good-to-Have Skills :

- Experience with CI/CD pipelines.

- Knowledge of APM tools (New Relic, Dynatrace, Prometheus/Grafana).

- Understanding of security standards (OAuth2, JWT).

- Familiarity with domain-driven design (DDD).