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Pappala Praveen Kumar

@pappalapraveenkumar

Java backend developer at National Informatics Centre who built UDISE+ authorization for 1.4M+ users across 7 applications.

India

Message

At National Informatics Centre, I designed and built UDISE+ Auth, a centralized OAuth2 and OpenID Connect authorization server serving 1.4M+ users across 7 applications. I implemented SSO and SLO, along with Redis-backed distributed session management and OTP-based two-factor authentication.

I also developed secure backend modules and REST APIs for UDISE+ account management, user management, and its API portal. Previously, at Addup Networks Pvt Ltd., I implemented Java and Spring Boot APIs for transport and warehouse management systems.

Experience

Work history, roles, and key accomplishments

Current

Java Developer

Current

National Informatics Centre

May 2024 - Present (2 years 4 months)

Designed and built a centralized IAM platform using Spring Authorization Server, serving 1.4M+ users across 7 applications. Implemented SSO, SLO, Redis-based session management, and OTP-based 2FA.

Java Spring Boot Spring Security OAuth OIDC JWT JWKS Redis PostgreSQL Caffeine Cache SSO SLOs 2FA REST APIs

Associate Software Developer

Addup Networks Pvt Ltd.

Apr 2022 - Apr 2024 (2 years)

Implemented and tested RESTful APIs using Java and Spring Boot, optimized system performance with Redis and MySQL, and participated in code reviews and Scrum meetings.

Java Spring Boot REST APIs Redis MySQL AWS Git Postman