RAJA s

Frontend Developer

Chennai, India 3+ yrs exp 86 · Excellent

About

Frontend Developer with 3+ years of experience building and scaling modern web applications using React.js, Next.js, JavaScript (ES6+), and TypeScript, with hands-on backend integration using Node.js, REST APIs, and GraphQL. Proven track of record delivering real-time analytics dashboards, secure payment workflows (Stripe), and role-based authentication (Keycloak, AWS Cognito, JWT). Experienced in Agile/Scrum delivery, Git-based version control, and building reusable, component-driven UI libraries.

Skills & Expertise (28)

React.js Advanced

8.4/10

Years Exp

Git Advanced

8.0/10

Years Exp

Next.js Intermediate

7.4/10

Years Exp

Node.js Intermediate

7.4/10

Years Exp

REDUX Intermediate

7.0/10

Years Exp

Typescript Intermediate

7.0/10

Years Exp

Postgresql Intermediate

7.0/10

Years Exp

Stripe Scrum Agile Jira GitHub Apache Superset AWS S3 AWS Cognito JWT Keycloak Redis MongoDb MySql Socket.IO WebSocket REST APIs Express.js Tailwind CSS TanStack Query Hooks Javascript (ES6+

Work Experience

Software Developer

Twilight IT Solutions Pvt Ltd

Oct 2024 - Apr 2026

Led frontend development of a real-time Fleet Management System using React.js, Java, PostgreSQL, and Socket.IO, delivering live GPS tracking across 100+ vehicles simultaneously with sub-second update latency. Integrated Apache Superset with custom SQL queries for fuel analytics and time-series forecasting, embedding charts into the React application via REST API, reducing manual reporting time by 80%. Built and shipped core modules of GoPerla, a multi-tenant SaaS Document Analysis Platform, including Stripe subscription billing, AWS Cognito authentication, AWS S3 file storage, and a GraphQL API layer. Participated in Agile/Scrum sprint ceremonies, conducted peer code reviews, and authored technical documentation across 25+ shipped features.

Junior Software Developer

App Xperts Private Limited

Apr 2023 - Sep 2024

Build the ULCMS e-Learning Management System end-to-end using React.js, Node.js, PostgreSQL, and Keycloak-based RBAC for three distinct user roles. Built a browser-based Video Editor using Konva.js with drag-and-drop canvas editing, layer management, object transformation, and a full undo-redo history stack. Utilized React Query for optimized data fetching, caching, and optimistic UI updates across two production projects, eliminating redundant API calls and improving perceived performance by 60%. Established and maintained a shared reusable component library (forms, tables, modals, progress indicators) reused across 5+ internal projects.

Software Development Intern

App Xperts Academy

Dec 2022 - Mar 2023

Assisted in frontend development using React.js and gained hands-on exposure to Node.js REST APIs, PostgreSQL queries, and Git-based collaborative workflows. Completed structured training in JavaScript (ES6+), React component architecture, and responsive UI design using CSS3 and Bootstrap.