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Hasan Engin Kubat

@hasanenginkubat

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I build and ship full-stack React, Next.js, and Node.js products independently.

Turkey

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What I'm looking for

I'm looking to build complete, production-ready products where I can own meaningful technical work across frontend, backend, performance, and deployment, while helping clients or teams create software people can manage and use confidently.

I've shipped 10+ production web applications independently, from storefronts and corporate platforms to multi-tenant SaaS and two-sided marketplaces. At Hektech, I built hektech.dev with a React 19 frontend, Express 5 REST API, MongoDB, CRM dashboard, four-language routing, and Three.js experiences.

My work includes a luxury Shopify storefront, a multi-tenant manufacturing SaaS with PostgreSQL and Prisma, an offline legal search desktop app, and a surplus-food marketplace. I focus on practical client autonomy alongside performance, semantic markup, code splitting, technical SEO, secure authentication, and reliable deployment.

Experience

Work history, roles, and key accomplishments

Current

Founder & Full Stack Developer

Current

Hektech

Apr 2026 - Present (6 months)

Designed and built hektech.dev as a React 19 + Vite SPA with 87 modules, 12 Redux Toolkit feature slices, and locale-based routing across four languages. Built the backing REST API in Express 5 + MongoDB with JWT auth and Cloudinary media pipeline.

React 19 Vite Redux toolkit Express v5 MongoDB ThreeJS React Router Redux Persist JWT Cloudinary AWS Translate Recharts Brotli Gzip Code Splitting

Current

Freelance Full Stack Developer

Current

Self Employed

Jan 2023 - Present (3 years 9 months)

Shipped 10+ production applications across e-commerce, industrial manufacturing, legal services and food-tech, each scoped, built, deployed and handed over solo. Standard delivery includes a custom CMS-backed admin panel for non-technical clients.

Next.Js 16 React 19 TypeScript MongoDB PostgreSQL Prisma REST APIs CMS Admin Panel

Video Editor & Spanish Translator

Acun Medya

Jun 2025 - Mar 2026 (9 months)

Handled edit delivery and Spanish–Turkish language duties on two international productions, Survivor México and Exatlón México, working to a daily broadcast deadline.

Video Editing Spanish Translation Broadcast

React Developer

Bitely

Feb 2023 - Apr 2023 (2 months)

First professional software role: React interface and component development; first exposure to working within a team, code review and version control.

React Component Development Teamwork Code Review Version Control