Senior Backend Developer (Java, Spring Web Flux, AWS)Experience: 6 to 10 Years Location: (Location/Remote/Hybrid)Employment Type: Full time About the Role We are looking for a highly skilled Senior Backend Developer to join our engineering team and contribute to the development of a large-scale, cloud-native Dynamic Service Options (DSO) Platform. The role involves building reactive microservices, event-driven workflows, and scalable APIs using modern Java, Spring Boot Web Flux, Postgre SQL, and AWS technologies. You will work on mission-critical systems responsible for high-volume data ingestion, dataset generation, entitlement management, and API delivery while ensuring performance, reliability, security, and observability across distributed cloud applications. Key Responsibilities Backend Development Design, develop, and maintain high-performance reactive REST APIs using Java 17+, Reactive Spring (Web Flux), and Spring Boot, Build fully asynchronous workflows using Project Reactor (Mono/Flux). Develop scalable microservices following cloud-native architecture principles.



Implement secure APIs with OAuth2 Resource Server and role-based access controls. Event-Driven Systems Develop event-driven solutions using AWS Lambda, SQS FIFO, and Event Bridge. Design resilient message-processing workflows with retries, dead-letter queues, and idempotent processing. Build background processing jobs with concurrency controls and observability. Database & Data Engineering Design and optimize Postgre SQL schemas and queries. Work with Spring Data R2 DBC and j OOQ for reactive and type-safe database interactions. Implement database versioning and migrations using Flyway. Utilize Postgre SQL features including JSONB, partitioning, indexing, and hierarchical data structures. Cloud & Dev Ops Deploy and manage applications on AWS using: ECS Fargate Lambda SQSAurora Postgre SQLS3 Secrets Manager Dynamo DBCloud Watch Create and maintain Infrastructure as Code using Cloud Formation. Cont

📌 Back End Developer (Chennai)
🏢 Anonymous
📍 Chennai