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-protected 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 Infrastru

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