Java Backend Developer with AWS Exp.

Key Responsibilities

• Design develop and optimize backend services for card payments and transaction systems ensuring low latency fault tolerance and multiregional resiliency.
• Build high through put APIs and microservices using modern Java frameworks Spring Boot Reactor
• Collaborate closely with product architecture and SRE teams to evolve Vision Next Vision PLUS services for cloud native real time scalability.
• Use AWS services ECS Lambda RDS to architect resilient secure and observable applications.
• Write efficient algorithms for transaction routing settlement reconciliation or fraud detection modules
• Contribute to system design sessions and architecture decisions applying deep reasoning to scalability trade offs consistency models and data partitioning.
• Evaluate and optimize application throughput concurrency handling and API lifecycle management across multi region clusters.
• Implement DevOps and CICD automation for build test and deployment pipelines GitHub Actions Jenkins or Code Pipeline.
• Mentor junior engineers conduct code reviews and drive engineering excellence through reusable design patterns.

Required Qualifications

• Strong proficiency with Java Spring Boot data structures algorithms and system level design principles.
• Solid understanding of AWS core services and architectural best practices for scalable distributed systems.
• Experience with multi region active or near real time architectures for payment or settlement systems.
• Deep debugging profiling and performance optimization skills in concurrent distributed environments.
• Strong analytical reasoning and data driven problem-solving mindset.