Harsh Manwani

Open to work

Software Engineer · Founding Engineer · Builder

8+ years shipping products that people actually use. 100K+ users scaled, YC-backed startups built, three live AI products. Web, mobile, AI, currently deep into multi-agent systems and generative AI. I turn ideas into shipped, revenue-generating software.

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🎨probably mass-generating AI art on RemixMart

Experience

Independent ProductsFounder

Phren (phren.app) — Personal alignment engine: one-keystroke thought capture, background LLM classification into tasks, notes, and goals, and a calm daily view that surfaces only what matters.
Supercut (supercut.cc) — Privacy-first AI video editor running entirely on-device via WebAssembly; 25+ prompt-driven edit tools with zero footage uploads. Available in the browser and as desktop apps for macOS and Windows.
RemixMart (remixmart.com) — Community-driven AI image and video generation platform aggregating top models with remix and discovery; launched on Product Hunt with 100+ upvotes.

Regain AI↗Founding Engineer (Contract · Remote)Healthcare AI

Sep 2025 - Jun 2026

Architected a multi-agent clinical AI system where LLM agents critique and validate outputs before surfacing recommendations
Built the cross-platform mobile app (React Native), AI-driven clinician dashboards, and HIPAA-compliant backend infrastructure end to end
Personally designed the entire brand identity — logo, design system, and product ecosystem visual language — alongside engineering the platform

Surface Labs↗Founding Engineer (Contract · Remote)YC S23

Jul 2024 - Jun 2025

Led development of the AI-powered Workflow feature — the product's core USP — automating 50K+ leads monthly for 100+ B2B clients
Designed and shipped a scalable design system from scratch, improving UI consistency across the entire platform

Topica Edtech Group↗Senior Software Engineer

Nov 2021 - Apr 2024

Led the frontend team for NativeX, an online learning platform
Scaled the product to 100K+ users and significantly boosted revenue
Established coding standards, mentored junior devs, and shipped complex features across the platform

Waywiser.LifeFounding EngineerAcquired

Apr 2021 - Nov 2021

Built the entire product from scratch: social platform for seniors across web (Next.js) and mobile (React Native)
Shipped real-time notifications, an internal admin tool, and backend services (NestJS, MongoDB, AWS)
Grew to thousands of active users before acquisition

Pratham Softwares↗Software Engineer

Jul 2019 - Apr 2021

Delivered 4 client projects including BCG, JCurve, and Agility CIS
Built data-intensive applications for complex business scenarios
Won the company's internal Automation Hackathon

BillerSoftware Engineer

Jul 2018 - Jul 2019

Built the Restaurant POS WebApp from scratch using React.js
Part of a comprehensive suite of 14 applications for restaurant management

ISRO↗Research Intern

2017

Built a landscape change monitoring website using BHUVAN satellite imagery at India's national space agency
Conducted a case study on Hyderabad using Google Earth tools