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.

Sumit Singh - Product Engineer
Bengaluru, India 🇮🇳

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