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Rahul Kumar Barnwal

Full-stack developer | Passionate about Node.js, React, and Next.js | Tech mentor @ Polaris | Open Source Contributor | Sharing insights on coding, SaaS, and project building 🚀

Bangalore, Karnataka Joined on Apr 24, 2024 https://www.polywork.com/rahulkumar_barnw

Education

B.Tech in Electronics and Communication Engineering | Vinoba Bhave University | Graduated Dec 2020

Pronouns

He/Him

Work

Senior Backend Developer | Tech Mentor @ Polaris | Open Source Contributor

JavaScripters

Proficient in Node.js, React, Next.js, MongoDB, and TypeScript. Skilled in full-stack development, microservices, and dynamic role-based systems.

Exploring advanced Next.js concepts, Google Generative AI, and refining UI design with Tailwind CSS and Shadcn UI. Constantly leveling up my web-scraping skills with Puppeteer.

Building a modern web scraper for Airbnb resort data and enhancing the MediQuery UI to improve user experience.

Open to collaborations on SaaS platforms, UI/UX improvements, and backend architecture. Happy to discuss web development, open source, and career guidance!

17 posts published

22 comments written

18 tags followed

Rahul Kumar Barnwal

Dec 17

LeetCode Challenge: 134. Gas Station - JavaScript Solution 🚀

#javascript #programming #interview #leetcode

2 min read

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Rahul Kumar Barnwal

Dec 16

LeetCode Challenge: 238. Product of Array Except Self - JavaScript Solution 🚀

#javascript #programming #leetcode #interview

2 min read

Rahul Kumar Barnwal

Dec 15

LeetCode Challenge: 380. Insert Delete GetRandom O(1) - JavaScript Solution 🚀

#javascript #programming #leetcode #interview

3 min read

Rahul Kumar Barnwal

Dec 14

LeetCode Challenge: 274. H-Index - JavaScript Solution 🚀

#javascript #programming #leetcode #interview

2 min read

Rahul Kumar Barnwal

Dec 13

LeetCode Challenge: 45. Jump Game II - JavaScript Solution 🚀

#javascript #programming #leetcode #interview

2 min read

Rahul Kumar Barnwal

Dec 12

LeetCode Challenge: 55. Jump Game - JavaScript Solution 🚀

#javascript #programming #leetcode #interview

2 min read

Rahul Kumar Barnwal

Dec 11

LeetCode Challenge: 122. Best Time to Buy and Sell Stock II - JavaScript Solution 🚀

#javascript #programming #leetcode #interview

2 min read

Rahul Kumar Barnwal

Dec 10

LeetCode Challenge: 121. Best Time to Buy and Sell Stock - JavaScript Solution 🚀

#javascript #programming #leetcode #interview

2 min read

Rahul Kumar Barnwal

Dec 9

LeetCode Challenge: 189. Rotate Array - JavaScript Solution 🚀

#javascript #programming #leetcode #interview

2 min read

Rahul Kumar Barnwal

Dec 8

LeetCode Challenge: 169. Majority Element - JavaScript Solution 🚀

#javascript #leetcode #interview #programming

2 min read

Rahul Kumar Barnwal

Dec 7

LeetCode Challenge: 80. Remove Duplicates from Sorted Array II - JavaScript Solution 🚀

#javascript #programming #leetcode #interview

2 min read

Rahul Kumar Barnwal

Dec 6

LeetCode Challenge: 26. Remove Duplicates from Sorted Array - JavaScript Solution 🚀

#javascript #programming #interview #leetcode

2 min read

Rahul Kumar Barnwal

Dec 5

LeetCode Challenge: 27. Remove Element - JavaScript Solution 🚀

#javascript #programming #leetcode #interview

2 min read

Rahul Kumar Barnwal

Dec 4

LeetCode Challenge: 88. Merge Sorted Array - JavaScript Solution 🚀

#javascript #leetcode #interview #programming

3 min read

Rahul Kumar Barnwal

Oct 24

🚀 Introducing Claude 3.5 Sonnet & Haiku: The AI Revolution is Here! 💻✨

#ai #api #programming

3 min read

Rahul Kumar Barnwal

Oct 8

🚀 My 2024 Hacktoberfest Journey: A Contributor's Reflection 🌍💻

#devchallenge #hacktoberfestchallenge #hacktoberfest #opensource

3 min read

Rahul Kumar Barnwal

Apr 24

Earth Day Frontend Challenge

#devchallenge #frontendchallenge #css #javascript

7 min read

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