Rajeev Singh
Full Stack Developer at rippling
Bengaluru, Karnataka, India
Summary
🤩
RockstarRajeev Singh is a Full Stack Developer based in Bengaluru with 11 years of experience building secure, maintainable web applications using Java, Python, and Go. He combines backend expertise in Spring Boot, JWT/OAuth2 authentication and database initialization with practical frontend work in React, having contributed to full-stack projects that integrate security and UX. An active open-source contributor and blogger at callicoder.com, he authors clear tutorials and real-world examples—especially in Go—demonstrating a focus on code quality, upgradeability, and developer ergonomics. Notably, his contributions include hardening JWT authentication flows and modernizing Spring Boot projects, reflecting a knack for refactoring and keeping systems current.
11 years of coding experience
Stackoverflow
306reputation
32kreached
9answers
0questions
Github Skills (34)
user-authentication10
authentication10
spring-security10
java10
javas10
go10
spring-boot10
golang10
oauth10
react10
api-design9
javascript9
jwt9
network-interface9
sorting9
Programming languages (7)
Github contributions (5)
callicoder/spring-security-react-ant-design-polls-app
Jun 2018 - Oct 2021
Full Stack Polls App built using Spring Boot, Spring Security, JWT, React, and Ant Design
Role in this project:
Back-end Developer
Back-end DeveloperContributions:22 commits, 1 PR, 68 pushes in 3 years 4 months
Contributions summary:Rajeev primarily contributed to the back-end of the application, focusing on fixing errors, database initialization, and upgrading Spring Boot versions. Their work included correcting error messages within the JWT authentication entry point, adding default roles to the database schema, and refactoring code after upgrading the Spring Boot version. Additionally, the user made a commit to bump up the Sprint Boot version.
full-stackjwtreactspringspring-boot
callicoder/spring-boot-react-oauth2-social-login-demo
Oct 2018 - Oct 2021
Spring Boot React OAuth2 Social Login with Google, Facebook, and Github
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:17 commits, 41 pushes, 1 branch in 3 years
Contributions summary:Rajeev primarily focused on cleaning up code, addressing upgrade requirements, and fixing naming issues in the Spring Boot and React application. These changes involved modifying configurations, updating dependencies, and correcting minor inconsistencies across both the backend (Spring) and frontend (React) components of the project. The user also contributed to setting up and resolving issues related to OAuth2 authentication. Furthermore, some UI adjustments were made to the React frontend.
oauthreactspringspring-bootoauth2
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.