Hi, I’m Hakan.
Product engineer
and technical lead.

I build web applications, connect services, and manage the systems they run on. I also lead development teams while staying hands-on with the code.

View my work Get in touch
Portrait of Hakan Yuksel Derin

Selected work

Web applications, integrations, and client websites.

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About me

I build web applications and the systems behind them. My work covers product architecture, backend development, integrations, and deployment.

I also lead development teams, review code, and plan releases. At SLY Yazilim, I combine those responsibilities with hands-on work on CarlaDesk and its infrastructure.

View résumé
Development
PHP / Laravel, Nuxt / Vue, JavaScript, Node.js, Python
Data & integrations
PostgreSQL, MySQL, Redis, REST APIs, WebSockets
Infrastructure
Linux, Nginx, AWS, Mailcow, CI/CD
Team & delivery
Architecture, code review, planning, technical leadership

Experience

Full résumé

Current

Product & Platform Engineer / Software Manager

SLY Yazilim · Istanbul, Türkiye

I lead engineering and delivery for CarlaDesk, including its Laravel API, Nuxt application, public website, and infrastructure.

Jan 2025 to May 2025

Freelance Software Engineer

ExchangeAPIController

Built a PHP library that gives six cryptocurrency exchanges a shared interface for trading, market data, accounts, and transfers.

May 2023 to Jan 2025

Full-stack Developer & Team Lead

OmeDesign Advertisement Agency · Johannesburg

Led development across SaaS, CMS, and e-commerce projects, with responsibility for architecture, team delivery, and client communication.

Apr 2022 to Jan 2023

Python Developer, Research & Development

Proxima Social Media Agency · Istanbul

Researched anti-bot systems and developed browser automation and data extraction tools in Python.

Feb 2021 to Jan 2023

Independent Web Developer & Sound Engineer

Freelance · Remote

Built responsive websites for clients and worked on audio production and sound engineering projects.

Education

BSc Computer Science

University of London

In progress

Latin Literature

Istanbul University

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Certificates
Programming in HTML5 with JavaScript and CSS3Microsoft Developing ASP.NET MVC 4 Web ApplicationsMicrosoft Microsoft Certified Developer ProgramBilgeAdam ERP Consultancy TrainingEcodation Scientific Computing with PythonfreeCodeCamp JavaScript Algorithms and Data StructuresfreeCodeCamp

Get in touch

For projects, opportunities, or a quick hello.

[email protected]
GitHub +90 506 792 3979 WhatsApp