Vikash Kumar

Software engineer focused on reliable systems and careful interfaces. I care about clarity, performance, and work that stays understandable months later.

  • JavaScript
  • TypeScript
  • React
  • Next.js
  • Node.js
  • Express
  • Tailwind CSS
  • MongoDB
  • PostgreSQL
  • Redis
  • Supabase
  • Firebase
  • C++
  • Solidity
  • Redux
  • Jest
  • Docker
  • Bun
  • AWS
  • Cloudflare
  • Vercel
  • Git
  • GitHub

Selected work

Projects

AI products I lead at Persist, an internal hiring platform built from scratch, and a SaaS I shipped end to end.

  • SongGPT
    202501

    Lead Engineer · Persist Ventures

    SongGPT

    AI song generation platform with interactive frontend flows, Web Audio / Tone.js playback, and free/paid tiers for 400K+ users.

    • Next.js
    • TypeScript
    • Redux
    Live
  • Ascensions Studio
    202602

    Lead Engineer · Persist Ventures

    Ascensions Studio

    AI filmmaking platform turning text into trailers and shorts with multi-model pipelines, async jobs, and credit billing.

    • FastAPI
    • Python
    • AWS
    Live
  • Startupathon
    202503

    Built from scratch · Persist Ventures

    Startupathon

    Internal hiring platform for Persist Ventures with intake, review flows, and ops tooling for 50K+ applications.

    • Next.js
    • Node.js
    • socket.io
    Live
  • UseQR
    202604

    Founder build

    UseQR

    Full-stack SaaS for dynamic QR codes with scan analytics, geo-fenced access, Paddle billing, and production hardening.

    • Next.js
    • Zustand
    • MongoDB
    LiveCode
  • SDIETTechies
    202405

    College build

    SDIETTechies

    Community driven event management for SDIET College with role based access, a faculty panel, and a modern UI.

    • Next.js
    • Resend
    • Zustand
    LiveCode

Where I've been

Experience

Roles where I owned product surfaces and led delivery.

  1. 2025 — Present

    Remote

    Lead Engineer

    Persist Ventures
    • Lead engineer on SongGPT — AI music generation frontend for 400K+ users, including Web Audio playback and subscription flows.
    • Lead engineer on Ascensions Studio — FastAPI AI filmmaking backend with async job queues, multi-model orchestration, and Stripe credit billing.
    • Built Startupathon from scratch — Persist’s internal hiring platform that has processed 50K+ applications.
  2. 2026 — Present

    Remote

    Founder / Full-Stack

    UseQR
    • Shipped a SaaS for dynamic QR generation with analytics, geo controls, Paddle billing, and production reliability (rate limits, webhooks, alerts).