Md Shafayet Hossain.

Senior Frontend Developer & AI Product Engineer bridging the gap between design and engineering to ship high-performance SaaS products.

6+ yearsLed frontend at Debutify

Base

Planet Earth

Remote, Global

Work Experience

Over six years engineering scalable frontend architectures, shipping AI-powered products, and leading the teams behind them.

Contract

RedCircle

AI Product Engineer

Delft, Netherlands (Remote)

▹

Architected and shipped an AI-powered product photoshoot platform on a pnpm-workspace monorepo (Hono API, React, Postgres, Better Auth), with a BullMQ-backed generation pipeline on Kie.ai that turns raw product shots into studio-quality marketing images and videos at scale.

▹

Developed the MyFitSize storefront size-recommendation widget, reverse-engineering garment sizing into gender-specific circumference models to deliver accurate fit guidance and reduce size-related returns.

▹

Built Lifecycle, a full-stack CMS, marketing website, and booking application for a bicycle rental business, engineering its content management, availability, and reservation flows end-to-end.

▹

Owned features end-to-end, from technical scoping and architecture through deployment and iteration, balancing engineering trade-offs against product priorities.

ReactHonoPostgreSQLBetter AuthBullMQKie.ai
Oct 2022 — 2026

Debutify

Lead Frontend / AI Product Engineer

New York, USA (Remote)

▹

Engineered end-to-end Shopify applications, managing both React-based frontend and backend integration logic.

▹

Led development of Debutify Reviews and Debutify Email from architectural planning to deployment, directing code reviews and engineering best practices.

▹

Architected and built a high-performance Form Builder from scratch using React and TypeScript, utilizing a dynamic JSON-based schema.

▹

Engineered a production-ready Email Editor by extending and customizing Easy-Email, with an esbuild-optimized build process.

▹

Architected and maintained a comprehensive UI Component Library using React, TypeScript, and Storybook.

React.jsNext.jsTypeScriptStorybookesbuildShopify Apps
Aug 2021 — Sept 2022

Online Business Media

Senior Frontend Developer

Netherlands (Remote)

▹

Engineered and maintained core web applications supporting over 10,000 active users, ensuring high availability and seamless UI performance.

▹

Built and integrated a React Server-Side Rendering (SSR) system to optimize SEO and Open Graph metadata.

▹

Directed the refactoring of legacy codebases using TypeScript, Redux, and Jest.

TypeScriptReduxJestReact SSROptimization
Aug 2019 — Sept 2021

Kreiger Business Assistance

Web Developer

Toronto, Canada (Remote)

▹

Promoted from Web Developer to Team Lead and Full-Stack Developer within a fast-paced startup environment.

▹

Designed and deployed bespoke full-stack web applications for enterprise clients using React.js, Node.js, and MySQL.

▹

Provided mentorship and technical guidance to the development team, ensuring project deadlines were met.

React.jsNode.jsMySQLTeam Leadership

Selected Works

Core Capabilities

Frontend

  • React.js / Next.js
  • TypeScript / JavaScript
  • HTML / CSS
  • Tailwind CSS

State Management

  • Redux
  • Zustand
  • Jotai
  • React Router

Backend / API

  • Node.js / Express
  • NestJS / Hono
  • PostgreSQL / MongoDB
  • Firebase / Supabase / Appwrite

Build & DevOps

  • Docker / CI/CD
  • GitHub Actions / VPS
  • Webpack / esbuild / Rollup
  • Vitest / tsdx / Git

Design / UI

  • CSS / Sass
  • CSS-in-JS (styled-components)
  • Figma (UI Design)
  • Storybook / Component Libraries

Shopify

  • Theme Development
  • Liquid
  • App Development
  • Extensions