Hi, I'm Okan

Full-Stack TypeScript Engineer with 4+ years of experience building modern, scalable web products. Strong expertise in React, Node.js, and TypeScript — thinking in components, types, and clean architectures.

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ABOUT ME

Better Experience

Better Projects

Full-Stack TypeScript Engineer passionate about clean architecture, AI-assisted development, and continuous improvement. Currently pursuing MSc Computer Science at TU Munich while working full-time.

TypeScript & React

Node.js & NestJS

PostgreSQL & MongoDB

Java & Spring Boot

Python & FastAPI

Docker & CI/CD & AWS

AI & LLMs (Vertex AI, Gemini)

Experience

I started working in my last semester while studying at ITU computer engineering. Now I would like to talk about where and what positions I worked before..

Full-Stack Developer, Borusan Cat

Dec 2021 – Present

Build and maintain full-stack TypeScript applications — React frontend to Node.js backend APIs — with full feature ownership from design to production. Own CI/CD pipelines; mentor junior developers.

Full-Stack Developer, Interhyp (ING Group)

Oct 2024 – Feb 2025

Developed full-stack features for a SaaS mortgage platform — React UI with Java Spring Boot backend APIs. Integrated Vertex AI / LLM into the development workflow and user-facing product features.

Full-Stack Developer, Technical University of Munich

Sep 2023 – Mar 2024

Built real-time data visualization app — clean TypeScript frontend with a Python/FastAPI backend and PostgreSQL on AWS.

JavaScript Developer, Insider

May 2021 – Dec 2021

Delivered TypeScript/JS solutions for high-traffic client websites; optimized scripts for performance and cross-browser compatibility.

PORTFOLIO

Works & Projects

I will include examples of the projects that our teachers gave us during the undergraduate period and the projects I did to improve myself.

Baufi-AI Mortgage Assistant

React, TypeScript, Node.js, Java, Gemini LLM, Vertex AI, AWS

Full-stack SaaS product — React component architecture with Node.js/Java backend APIs, OpenAPI typings, AI integration, and cloud deployment on AWS.

Multimodal LLM Requirement Checker

React, TypeScript, Python/FastAPI, Zod, Prompt Engineering

Full-stack TypeScript tool with Zod-validated APIs, React UI, and Python LLM backend — AI-assisted development used throughout.

Munich Real-Time Traffic Maps

TypeScript, Python, PostgreSQL (AWS RDS), REST APIs

End-to-end product: Python data pipeline to TypeScript frontend with real-time data fetching and optimized PostgreSQL queries on AWS RDS.

Serverless Social Feed

TypeScript, Node.js, AWS Lambda, REST APIs

Event-driven, serverless TypeScript application aggregating social feeds via AWS Lambda and clean REST API design.

GitHub