Ahmet Unal, Developer in Istanbul, Turkey
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Ahmet Unal

Verified Expert  in Engineering

Software Developer

Istanbul, Turkey
Toptal Member Since
June 3, 2014

A PHP/MySQL developer with more than 10 years of experience in both developing and leading teams, Ahmet is both a problem solver and an architect. He is very experienced with front-end (HTML, jQuery, and CSS) and large-scale websites, music/video streaming apps, and social media apps.


Freelance Developer
CSS, HTML, jQuery, Vue, JavaScript, MySQL, PHP, Laravel
jQuery, JavaScript, MySQL, PHP, CSS
HTML, MySQL, PHP, JavaScript, CSS




Preferred Environment

PHP, MySQL, JavaScript, Vue, Nuxt.js, PostgreSQL, HTML5, CSS3, Sass, Bootstrap, Laravel

The most amazing...

...project I've worked on was a virtual intelligence agent, where I developed a pseudo-AI that can give answers to customers and guide them through a process.

Work Experience

Freelance Developer

2014 - PRESENT
Freelance Developer
  • Developed a B2B SaaS application.
  • Added new features to an html5 video player.
  • Developed a CMS.
  • Developed a recipe recommendation application.
  • Developed an investment portfolio tracker.
  • Developed administration panels for a digital menu application.
  • Added new features to a multi party contract negotiation app.
  • Advised multiple apps on COD quality.
  • Helped multiple for debugging and new feature adding.
Technologies: CSS, HTML, jQuery, Vue, JavaScript, MySQL, PHP, Laravel

Development Team Leader

2012 - 2014
  • Led a team of developers (back-end and front-end).
  • Developed RESTful APIs.
  • Designed databases.
  • Created social media-based applications (Facebook, Twitter, Foursquare, Instagram, etc).
Technologies: jQuery, JavaScript, MySQL, PHP, CSS

Senior Software Engineer

2011 - 2012
  • Implemented new features to the grou.ps platform.
  • Optimized the platform.
  • Developed a remote authentication system.
Technologies: HTML, MySQL, PHP, JavaScript, CSS

Senior Software Developer

2010 - 2011
Turkuvaz Media Holding
  • Developed an SMS gateway.
  • Developed a subscription system via SMS.
  • Used RESTful data services.
  • Implemented payment systems (one time and recurring).
Technologies: SOAP, MySQL, PHP, JavaScript, CSS

Senior Software Developer

2008 - 2010
  • Developed muzik.net, a music/video streaming website, where the user can listen to music, make playlists, share etc.—similar to today's Spotify.
  • Worked on securing the streaming media. According to the rules of the music industry, MP3s streamed should not be downloadable. Developed an ever-changing URL system which passed industry tests.
  • Developed the front end for the site using HTML/JavaScript. The website was developed similar to an app where the user can make and share playlists, listen to them on the player, etc.
  • Implemented the charging system for muzik.net, where clients could pay using their cell phones.
Technologies: jQuery, JavaScript, HTML, MySQL, PHP, CSS

Software Developer

2006 - 2008
Merkez Yayın Holding
  • Worked on sabah.com.tr, a major news site with about 10 million visits per day. Performed optimizations and solved security challenges.
  • Developed a framework for magazine websites for the company, which owned about 30 weekly/monthly magazines. Developed a framework to satisfy the needs for each one of their websites.
  • Developed a code which produces and updates teletext code for a media company which owned a TV channel.
  • Designed and developed the CMS for sabah.com.tr, a challenging project for a massive news website with lots of different content and needs.
Technologies: Smarty, HTML, MySQL, PHP, JavaScript, CSS

Software Developer

2005 - 2006
Inanır Group
  • Developed a web-based salon management program for beauty parlors, spas, fitness centers, etc. The program can track customers, manage appointments, perform reporting, and more.
Technologies: JavaScript, CSS, HTML, MySQL, PHP

Software Developer

2004 - 2005
  • Developed various dynamic websites for our clients.
  • Developed a basic framework.
Technologies: JavaScript, HTML, MySQL, PHP, CSS


CSS3, PHP, JavaScript, HTML, CSS, XML, HTML5, Less, Sass


Bootstrap 3, Bootstrap, Angular, Smarty, Laravel, Zend Framework, Prototype Framework, CodeIgniter, PhalconPHP, Yii, CakePHP, Nuxt.js


Foursquare API, Twitter API, Instagram API, Facebook API, jQuery, Vue 2, Vuex, Vue, React


Windows, Linux, NetBeans, Visual Studio Code (VS Code)


MySQL, Memcached, MongoDB, PostgreSQL


Optimization, Performance, SOAP


Adobe Photoshop, Git, Subversion (SVN), Zeplin, Avocode


Agile Software Development, Aspect-oriented Programming, Service-oriented Programming

1997 - 2002

Bachelor of Science Degree in Physics

Koc University - Istanbul, Turkey