Sumit Singh
Engineer, Designer, and Founder.
engineering @ Stack AI (YC W23). solo founder of rightfit.so. passionate about engineering & design. love building communities - currently nurturing 6k+ members. bengaluru/indore. when not coding: reading, writing, and exploring the intersection of design & technology. previously failed 3 startups, but each failure taught invaluable lessons.

Work Experience
Here are some of the places where I've worked and the things I've learned along the way.
Frontend Engineer
Stack AI (YC W23) · Remote
APRIL 2025 — Present
Product Engineer
Merlin AI · Bengaluru, India
NOV 2024 — JAN 2025
Recently joined Merlin AI as a Product Engineer to work on their AI-powered platform
Worked on vault feature, vault lets user to store documents, links, and text in one place to add to Merlin chats and projects.
Worked with NextJS, Tailwind CSS, TypeScript, and React.
Software Engineer
DevDham · Remote
Jan 2024 — Oct 2024
Worked as a solo frontend (web) engineer creating a complete web-based platform
Integrated product analytics tools for better understanding of user behavior
Built and shipped a complex cart-based system with customization features and Razorpay integration
Implemented internationalization and localization features
Improved platform performance, increasing Lighthouse score from 40% to 80-90%
Led migration from EJS to NextJS 14, reducing build times by 3x and deployment speed by 2x
Implemented TypeScript and React Hooks to improve code maintainability
Frontend Engineer
Vector 32
Feb 2022 — May 2022
Developed components using React, Next.js, and SCSS
Created dashboard interfaces with data visualization
Implemented design systems using atomic design principles
SDE Intern
Unitylabs.ai
Feb 2022 — May 2022
Built UI components for cloud-based infrastructure solutions
Integrated backend APIs for lead generation and data analysis tools
Contributed to dashboard development and data visualization
Startup Experience
My journey as a founder and entrepreneur.
Founder
Rightfit.so · Bengaluru, India · Remote
JAN 2025 — Present
Building a hiring platform that connects top engineers and designers with the right teams through proof of work.
Managing the Rightfit community with 6,000+ members and growing.
Successfully onboarded 700+ candidates, helping them land the right opportunities.
Working closely with startups to streamline hiring, reducing time spent on filtering and interviewing.
Manually curating and reviewing candidate profiles to ensure high-quality matches.
Launched an internal hiring platform as an MVP—now scaling with real companies actively hiring through us.
Experimenting with new ways to make hiring more transparent, efficient, and community-driven.
Co-Founder
Dunolabs
July 2023 — Dec 2023
Founded a creative software agency serving clients in India & UAE
Managed end-to-end design & development using Next.js, Tailwind CSS, TypeScript
Scaled to 5+ clients in 2 months with successful project deliveries
Led client relationships and project management across international markets
Co-Founder
HEKORS Community
Nov 2020 — JAN 2024
Founded and grew HEKORS Community to 100+ members across 5+ countries
Created learning resources and mentorship programs for developers
Organized community events and technical workshops