Vimal K R

Full-Stack Developer

Salem, Tamil Nadu 4+ yrs exp 89 · Excellent

About

Results-driven Full-Stack Developer with 3+ years of experience delivering scalable, high-performance web applications across fintech, SaaS, and media domains. Proficient in React.js, Vue.js, Node.js, Express.js, MySQL, and MongoDB. Proven record in building RESTful APIs, implementing Role-Based Access Control (RBAC), integrating AWS S3, and automating QA pipelines with Cypress. Recently published two open-source npm packages under the Datafluxgrid brand. Experienced in Agile/Scrum environments and full project lifecycle delivery.

Skills & Expertise (43)

React.js Advanced

8.5/10

Years Exp

Vue.js Advanced

8.0/10

Years Exp

VS Code Advanced

8.0/10

Years Exp

GitHub Advanced

8.0/10

Years Exp

Git Advanced

8.0/10

Years Exp

MySql Advanced

8.0/10

Years Exp

REST APIs Advanced

8.0/10

Years Exp

Express.js Advanced

8.0/10

Years Exp

Node.js Advanced

8.0/10

Years Exp

CSS3 Advanced

8.0/10

Years Exp

HTML5 Advanced

8.0/10

Years Exp

JavaScript Advanced

8.0/10

Years Exp

ES6+ Advanced

8.0/10

Years Exp

MongoDb Intermediate

7.5/10

Years Exp

Typescript Intermediate

7.5/10

Years Exp

Cypress Intermediate

7.5/10

Years Exp

bootstrap Intermediate

7.0/10

Years Exp

Jira Intermediate

7.0/10

Years Exp

Agile Intermediate

7.0/10

Years Exp

Scrum Intermediate

7.0/10

Years Exp

Firebase Intermediate

7.0/10

Years Exp

AWS S3 Intermediate

7.0/10

Years Exp

Postman Intermediate

7.0/10

Years Exp

SASS Intermediate

7.0/10

Years Exp

JWT Authentication Intermediate

7.0/10

Years Exp

Tailwind CSS Intermediate

7.0/10

Years Exp

React Context API Intermediate

6.5/10

Years Exp

Vuex Intermediate

6.5/10

Years Exp

Figma Intermediate

6.0/10

Years Exp

WCAG Intermediate

6.0/10

Years Exp

RBAC Intermediate

6.0/10

Years Exp

Mobile-First Design Intermediate

6.0/10

Years Exp

Accessibility Intermediate

6.0/10

Years Exp

Wordpress Intermediate

6.0/10

Years Exp

AES-256 encryption Intermediate

6.0/10

Years Exp

Node-Cron Intermediate

6.0/10

Years Exp

Cross-browser testing Intermediate

6.0/10

Years Exp

Manual QA Intermediate

6.0/10

Years Exp

Pinia Intermediate

6.0/10

Years Exp

ACF Intermediate

5.5/10

Years Exp

Gutenberg Intermediate

5.5/10

Years Exp

Zustand Intermediate

5.5/10

Years Exp

Cd pipelines

Work Experience

Independent Full-Stack Developer

Self-Employed (Freelance)

Oct 2024 - Present

Deliver end-to-end MERN and MEVN stack web applications for clients across fintech, medical, and media sectors — including a Singapore-based paylater fintech platform and an Indian diaspora news platform. Architected a full-stack financial admin dashboard with customer onboarding, EMI management, billing workflows, RBAC, staff reviewer system with real-time polling, and AWS S3 document storage using React.js, Node.js, and MySQL. Published two open-source npm packages in June 2026: @datafluxgrid/fluxgrid-css (utility-first CSS framework, v1.0.26+ releases) and @datafluxgrid/fluxgrid-data (composable frontend data pipeline library, ~1kB, zero dependencies). Hardened Express servers post-ransomware incident: Helmet CSP with nonces, per-route rate limiting, HPP middleware, and automated AES-256 encrypted MySQL backups to S3 with 30-day retention using node-cron. Managed full project lifecycle — requirements gathering, design, development, deployment, and post-launch support — across multiple concurrent client engagements.

Front-End Developer

Pudding App India Private Limited

Aug 2022 - Jul 2024

Developed and maintained responsive B2B SaaS web applications using Vue.js, React.js, HTML5, CSS3, and JavaScript for enterprise clients with complex data-driven interfaces. Automated 100+ end-to-end test cases across 20+ application modules using Cypress, reducing manual QA effort by 50% and significantly improving release confidence. Optimised front-end performance via code splitting, lazy loading, and asset optimisation, improving Core Web Vitals and reducing page load times. Collaborated with UI/UX designers and product stakeholders to deliver pixel-perfect, accessible interfaces improving usability and accessibility scores. Recognised by management for delivering a critical project milestone ahead of schedule through proactive planning and execution.

Product Trainee

Pudding App India Private Limited

Mar 2022 - Jul 2022

Contributed to front-end development, bug fixes, and UI/UX improvements using HTML, CSS, and JavaScript. Gained hands-on experience with Git version control, agile sprint workflows, and collaborative software development practices.