Senior Backend Developer (Java, Spring WebFlux, 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 contemporary Java, Spring Boot WebFlux, PostgreSQL, 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 (WebFlux), 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 EventBridge.
- 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 PostgreSQL schemas and queries.
- Work with Spring Data R2DBC and jOOQ for reactive and type-safe database interactions.
- Implement database versioning and migrations using Flyway.
- Utilize PostgreSQL features including JSONB, partitioning, indexing, and hierarchical data structures.

Cloud & DevOps
- Deploy and manage applications on AWS using:
- ECS Fargate
- Lambda
- SQS
- Aurora PostgreSQL
- S3
- Secrets Manager
- DynamoDB
- CloudWatch
- Create and maintain Infrastructure

📌 Back End Developer (Tamil Nadu)
🏢 ARi
📍 Tamil Nadu