Koray Cetin

is out learning. 🎓

Bis 2024, Backend Developer, Codeway Studios
Student, Informatics, Technical University Munich
München, Deutschland

Fähigkeiten und Kenntnisse

Software Development
Python
Backend Development
Deep Learning
Computer Vision
Node.js
Google Cloud Platform
Web development
Kotlin
Mobile Application Development
Product Management
Kubernetes
Golang
SWIFT
Flutter
React.js
Algorithm
Data Structures
Jira
Confluence

Werdegang

Berufserfahrung von Koray Cetin

  • 3 Jahre und 9 Monate, Sep. 2020 - Mai 2024

    Backend Developer

    Codeway Studios

    - Co-led the development of Facedance, Voi, and Retake (AI-based apps with 75M+ total downloads) - Built and maintained Python–Node.js backends serving AI model results, optimizing performance and cost at scale - Fine-tuned and merged AI models, managed a shared codebase with ~10 contributors, and improved inference/training pipelines - Handled large user-specific models: dynamic fetching, optimized storage, and backend response time improvements - Managed and optimized a large Kubernetes cluster

  • 9 Monate, Jan. 2020 - Sep. 2020

    Web Developer

    Insider.

    - Built advanced personalizations using pure JavaScript, including recommendation engines, social proof widgets, in-mail content injection, and push notifications - Collaborated with global partners across industries such as Nike, Mavi, Philips, and AirArabia to implement and optimize growth solutions - Delivered critical customizations and feature deployments under time-sensitive conditions - Contributed to Insider’s in-house full-stack KPI monitoring platform, implementing new features

  • 11 Monate, März 2019 - Jan. 2020

    Junior Backend Developer

    Sociable Inc.

    - Built scalable backend systems and real-time matchmaking servers for Sociable and Hola, enabling video calls and multiplayer board games - Developed and maintained backend logic for games like Match Pairs and Four in a Row, including a reusable timer service - Packaged backend features as reusable NPM submodules and ensured quality with unit tests using Mocha - Contributed to client-side development in Kotlin and helped implement key social features like Stories

Ausbildung von Koray Cetin

  • Bis heute 2 Jahre und 4 Monate, seit Apr. 2023

    Informatics

    Technical University Munich

    Data Analytics in Applications, Computer Vision III: Detection, Segmentation, and Tracking, Data Mining and Knowledge Discovery, Advanced Topics of Software Testing, Introduction to Deep Learning, Modelling and Simulation

  • 5 Jahre und 2 Monate, Mai 2016 - Juni 2021

    Computer Engineering

    Boğaziçi University

    Development in Software Engineering, Fundamentals of Software Engineering, Introduction to Database Systems, Analysis of Algorithms, Principles Of Programming Languages, Data Structures and Algorithms, Introduction to Object Oriented Programming, Introduction to Information Retrieval, Applied Computer Networks

Sprachen

  • Englisch

    Fließend

  • Türkisch

    Muttersprache

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