Tansel Berkant Oflaz, Full-Stack Developer
Work Experiences
Javascript Developer
Javascript Developer
Rexven
Ankara, Turkey (On-site)
March 2022 - October 2022
Refactored a stalled legacy Chrome Extension (profit tracking for Amazon/Etsy sellers) into a modular, maintainable JavaScript codebase, improving execution speed and unlocking new feature work. Built a Trendyol-specific version from scratch for cross-marketplace price comparison and contributed to Node.js backend services.
Front End Developer
Front End Developer
Rexven
Ankara, Turkey (Hybrid)
October 2022 - January 2024
Developed SEO-optimized, responsive e-commerce applications and tools with Next.js and TypeScript. Converted Figma designs into modular, reusable React components, kept the UI consistent with Tailwind CSS and safeguarded component behavior with Jest unit tests.
Front End Developer
Front End Developer
Gardiyan
Ankara, Turkey (On-site)
February 2024 - June 2024
Gardiyan (formerly Çekino) lets IT teams manage thousands of enterprise devices from one place. Built real-time, data-heavy features with WebSockets and REST APIs, and built and maintained the internal UI library, Karçin UI, to standardize components and speed up delivery.
Front End Developer
Front End Developer
Siu Digital
Ankara, Turkey (Hybrid)
June 2024 - March 2026
Worked end-to-end on Recruspace, an AI-powered ATS with AI chatbots, automated candidate scoring and AI voice video interviews. Led the design-system migration from Material UI to shadcn/Tailwind, simplified server state with TanStack Query, and built an Nx monorepo that serves the same automation logic to n8n, Make and Zapier.
What I use these days to build Naptar
Tech Stack and Tools That I've Explored
Frontend & Mobile
- Next.js
- React.js
- Gatsby.js
- JQuery
- Jest
- Chrome Extension
- Bootstrap
- TailwindCSS
- shadcn
- @tanstack/react-query
- Material UI
- Yup
- React Hook Form
- Zod
- StoryBook
- TypeScript
- React Native
- Expo
- Framer Motion
- Jotai
- Zustand
- Redux
- NativeWind
- Expo Router
Backend
- Express.js
- Web Socket
- Nginx
- Koa.js
- Nest.js
Data & CMS
- MongoDB
- Sanity CMS
- Prismic CMS
- Supabase
- PostgreSQL
Cloud
- Aws EC2
Tools & Automation
- Git
- BitBucket
- Gitlab
- Zeplin
- Figma
- Jira
- Notion
- Playwright
- Posthog
- Apidog
- Make.com
- Sentry
- Nx
- RevenueCat
- n8n
- Zapier
- Claude Code