Divagar S
Lead Developer|AWS Certified DevOps Engineer|Java|Spring Boot|Quarkus(Native)|Python|Elasticsearch|Redis/Valkey|MongoDB|Oracle DB|GraphQL|Reactive|Microservices|GitLab CI/CD|CodePipeline|DevOps Monitoring
- Role
- Lead Developer Ii at Delta Air Lines
- Location
- Bengaluru, KA, IN
- LinkedIn followers
- 500 followers
About Divagar S
I am a Lead Developer and AWS Certified DevOps Engineer with strong experience in designing, building, and scaling cloud-native backend systems.My core expertise includes Java, Spring Boot, and Quarkus (Native), with a strong focus on high-performance microservices and reactive architectures deployed on AWS and Kubernetes. I have worked extensively with AWS Lambda, containerized microservices, CI/CD pipelines, and DevOps practices to deliver reliable, production-ready systems.I have hands-on experience with data stores such as Redis/Valkey, MongoDB, Oracle DB, and Elasticsearch, and I’ve built APIs using REST and GraphQL for complex, large-scale platforms. Performance optimization, caching strategies, and clean system design are key areas I focus on.I also work deeply with monitoring and observability—implementing metrics, centralized logging, alerts, and distributed tracing to ensure system stability and fast issue resolution in production environments.I enjoy solving complex technical problems, refactoring systems for maintainability, and taking ownership of critical microservices that scale with business growth.
Experience
Lead Developer Ii
Oct 2024 — Present · Bengaluru, IN
As a Lead Developer, I lead a team in designing and architecting a unified shop orchestration platform that integrates air, car, hotel, transfer, and activity bookings into a seamless travel itinerary for Delta Vacations. I drive the end-to-end solution using Quarkus Native with AWS Lambda (serverless), ensuring scalability, performance, cost efficiency, and effective cost management. The orchestration layer calls multiple microservices with integrated monitoring and observability, replacing the legacy mainframe system and driving modernization. The platform supports both agent and consumer channels, enabling real-time shopping and booking experiences across multiple services.
Education
Anna University Chennai
Bachelor of Technology - BTech, Information Technology
2008 — 2012
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