Computer Engineer · Software Developer

I build software
that ships.

From distributed data pipelines and responsive web apps to mobile games, I enjoy turning ideas into reliable, polished products.

Based in Türkiye / English · C1 / Open to building
01 DATA & ETL
02 WEB & MOBILE
03 GAME DEVELOPMENT
04 CLEAN SYSTEMS

Selected work

Projects.

A few things I’ve built with Unity, C#, Python, React and data tooling.

01
BP
Puzzle game · 2026 Kose Studio

Block Pop

Fast block-matching mobile puzzle focused on simple interactions and replayable sessions.

UnityC#Mobile
Google Play
02
Mobile game · 2026 Kose Studio

Gravity Match

3D triple-match puzzle with zero-gravity gameplay and floating objects.

UnityC#3D
Google Play
03
MR
Idle game · 2026 Kose Studio

Marble Run

Hybrid-casual idle game built around expanding tracks, upgrades and automated runs.

UnityC#Idle
Google Play
04
PM
Puzzle game · 2026 Kose Studio

Pixel Match

Mobile matching game with a compact puzzle loop and clean visual language.

UnityC#Mobile
Google Play

Experience

A broad engineering toolkit.

I’ve moved between product UI, mobile, data engineering and security — which makes me comfortable learning new domains fast.

Aug 2024 — Feb 2026
FULL-TIME

Junior Software Developer @ invent.ai

Onboarded customer-specific data pipelines in Airflow and extended standardized pipeline foundations. Built ETL processes and PySpark scripts for distributed execution on Databricks.

Feb 2024 — May 2024
FULL-TIME

Junior Frontend Developer @ Exnoremo

Developed an e-commerce web application and an education mobile app with React and React Native, focusing on reusable components, responsiveness and cross-platform UI.

Oct 2023 — Jan 2024
FULL-TIME

Frontend Developer Intern @ Codeco Soft

Built the mobile version of an existing educational web platform in React Native. Owned testing, debugging and version control while keeping performance and responsiveness in focus.

Oct 2022 — Dec 2022
PART-TIME

Security Software Developer Intern @ VulnHero

Built Python-based web scraping workflows for cybersecurity data collection, cleaning and analysis with an emphasis on accurate, dependable datasets.

About

Engineer by training.
Builder by habit.

I’m Firat Kose, a Computer Engineer who likes working close to the product. I enjoy the whole path: understanding the problem, designing the system, writing the code and polishing the experience.

My background spans data engineering, frontend and mobile development, cybersecurity tooling and — more recently — indie game development through Kose Studio.

Toolkit

01

Languages

Python · Java · C# · JavaScript · TypeScript · SQL

02

Web & mobile

React · React Native · component architecture · responsive UI

03

Data

Airflow · PySpark · Databricks · MySQL · PostgreSQL · MongoDB

04

Game development

Unity · C# · object-oriented design · gameplay systems

Have a project in mind?

Let’s make
something useful.

kose29.03@gmail.com