Sainath Kalletla
Engineering@ CSG| Java | AWS | Spring boot | Distributed Systems | Microservices
- Role
- Software Development Engineer Lead at CSG
- Location
- Omaha, NE, US
- LinkedIn followers
- 500 followers
About Sainath Kalletla
Senior Java Backend Engineer with 12+ years of experience designing and delivering…
Experience
Software Development Engineer Lead
Jan 2018 — Present
Designed and implemented microservices using Java, Spring Boot, and PostgreSQL, leading to a 30% improvement in application performance.Architected and deployed secure AWS-based applications, leveraging API Gateway, Lambda, Cognito, and IAM-based authentication mechanisms.Led requirement analysis sessions, collaborating with product and design teams to break down features into development stories.Designed detailed Lucidchart diagrams outlining system architecture and use case components.Built a robust authentication and authorization system using AWS Cognito and JWT tokens.Implemented secure API gateway policies, breaking down monolithic systems into RESTful microservices.Optimized cloud costs, reducing AWS operational expenses by 25% while enhancing system efficiency
Education
Birla Institute of Technology and Science, Pilani
Master’s Degree
2010 — 2014
Osmania University, Hyderabad
Bachelor’s Degree
2006 — 2009
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