- Email: rajeevranjan19@outlook.com
- Phone: +91 7543898325
- Location: Bengaluru, KA, India
- LinkedIn: Rajeev Ranjan
- GitHub: r4vr4n
Senior Frontend Engineer with 5+ years of experience building scalable, high-performance web applications. Proven track record in leading teams, optimizing workflows, and delivering impactful solutions for SaaS, fintech, and blockchain domains. Expert in React, MUI, TypeScript, and modern frontend tooling. Recognized for innovative problem-solving and technical mentorship.
- Frontend: React (v16–19), Next.js, Redux, Context API, MUI v4/v5, Mantine UI, Tailwind CSS, React-Konva, CesiumJS, Mapbox, Recharts, React Table, React Query, Framer Motion, Formik, React Hook Form, Bootstrap v4
- Testing & Tooling: Jest, Cypress, Playwright, Vitest, Nx, CI/CD, Docker
- Web3 & Backend: Web3.js, Node.js, Express.js, MongoDB
- Other: Socket.io, kr-pano, Plotly JS, Git
- Agile Methodologies
- Team Leadership & Mentorship
- Problem-Solving
- Communication
- Attention to Detail
Jaipur, RJ · Remote | Nov 2024 – Jun 2025
- Set up CI pipeline, saving ~8 hours/week in dev time.
- Delivered activity feed, enabling support team to handle 70% more cases.
- Reduced bundle size by 40% for Conversation Plugin, improving UX.
- Stack: ReactJS v19, MUI v5, React Query v3, Nx, Jest, Cypress, Docker, React Hook Form, React Table v8, CI/CD, Socket.io
Bengaluru, KA · On-site | Aug 2024 – Nov 2024
- Automated campaign management, saving 20+ hours/week.
- Stack: ReactJS v18, Mantine UI, React Query v5, Playwright, Recharts, React Table v8
Bengaluru, KA · Remote | Mar 2022 – Aug 2024
- Built DEM viewer, improving site assessment accuracy by 90%.
- Improved field issue tracking by 80% with coordinate-based tagging.
- Optimized Construction Monitoring, boosting performance by 75%.
- Mentored 3 developers, raising PR approval rate by 70%.
- Spearheaded Analysis Tool's development, accelerating analyst workflows by 50%.
- Stack: MUI v5, MapBox, CesiumJS, React-Konva, kr-pano, Playwright, Mantine UI, Recharts, React Table v7, Formik, CI/CD, Vitest
Noida, UP · Remote | Jun 2021 – Feb 2022
- Integrated Airdrop system for 2,000+ claimants (90% delivery success).
- Achieved 90+ Lighthouse score for landing page.
- Stack: NextJS, Tailwind CSS, Context API, Framer Motion, Web3.js
Pune, MH · Remote | Jun 2020 – Jun 2021
- Delivered 8 modules for Nimbus Duo, 100% on schedule.
- Built Inventory Management MVP in 2 weeks.
- Stack: ReactJS v16, Redux, Redux Saga, Material UI v4, Bootstrap v4, React Table v6, Plotly JS, Jest
stake.cexdex.app
Cexdex allows users to trade cryptocurrencies in a secure & efficient manner.
Stack: Web3.js, React, Context API, NodeJS, ExpressJS, MongoDB
estateprotocol.com
Estate Protocol tokenizes real estate on the blockchain for crypto investment.
Stack: Web3.js, NextJS, Framer motion, Material UI
- Certified MERN Stack Developer
AttainU - Online Bootcamp, Bangalore, KA
07/2019 – 05/2020
View Certificate
- Resourceful Employee of the Year (2024):
Awarded for innovative problem-solving & delivering high-impact solutions with limited resources.
B.Tech in Computer Science & Engineering
Biju Patnaik University of Technology, Bhubaneswar, OD
03/2015 – 03/2019