Ahmet is available for hire
Hire AhmetAhmet Unal
Verified Expert in Engineering
Software Developer
Location
Istanbul, Turkey
Toptal Member Since
June 3, 2014
A PHP/MySQL developer with more than ten 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, specifically HTML, jQuery, and CSS, and large-scale websites, music and video streaming apps, and social media apps.
Portfolio
Freelance Developer
CSS, HTML, jQuery, Vue, JavaScript, MySQL, PHP, Laravel, APIs, SQL
Rafineri
jQuery, JavaScript, MySQL, PHP, CSS, APIs, SQL, API Design, Architecture...
Grou.ps
HTML, MySQL, PHP, JavaScript, CSS, APIs, SQL
Experience
Availability
Full-time
Preferred Environment
PHP, MySQL, JavaScript, Vue, Nuxt.js, CSS3, Sass, Bootstrap, Laravel, React
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, APIs, SQL
Development Team Leader
2012 - 2014
Rafineri
- Led a team of developers, including back end and front end.
- Developed RESTful APIs for several different projects.
- Designed databases, ensuring data integrity, security, and performance.
- Created social media-based applications for platforms such as Facebook, Twitter, Foursquare, and Instagram.
- Consulted the business team and clients about the capabilities and limitations of various platforms.
Technologies: jQuery, JavaScript, MySQL, PHP, CSS, APIs, SQL, API Design, Architecture, Database Design, Social APIs, Social Media APIs, Adobe Photoshop, Bootstrap 3, Facebook API, Twitter API, Instagram API, Foursquare API, Google Maps API, Cloud
Senior Software Engineer
2011 - 2012
Grou.ps
- Implemented new features to the grou.ps platform.
- Optimized the platform.
- Developed a remote authentication system.
Technologies: HTML, MySQL, PHP, JavaScript, CSS, APIs, SQL
Senior Software Developer
2010 - 2011
Turkuvaz Media Holding
- Developed an SMS gateway between GSM operators and 3rd-party apps, where the gateway can be used to service apps and subscriptions. The system communicated with five different GSM operators.
- Built a subscription/payment system via SMS, where the charges are made through the user's phone bill.
- Created API and SOAP endpoints to serve 3rd-party apps.
- Designed the system's whole architecture, including payment subscriptions, serving data, communicating with 3rd-party APIs, and handling millions of messages per day.
Technologies: SOAP, MySQL, PHP, JavaScript, CSS, APIs, SQL, Subscriptions, Digital Payments, Payment APIs, SoapUI, SoapServer, XML, Architecture, Database Design, API Design
Senior Software Developer
2008 - 2010
Cetech
- Developed Muzik.net, a music/video streaming website where users can listen to music, make and share playlists, etc.—similar to today's Spotify.
- Contributed to securing the streaming media. According to the music industry's rules, MP3s streamed should not be downloadable or re-broadcastable. Developed an ever-changing URL system that passed industry tests.
- Built the front end for the site using HTML and JavaScript. The website was designed similarly to an app where users can make and share playlists, listen to them on the player, etc.
- Implemented the charging system for Muzik.net, where clients can pay using their cell phones, including monthly subscriptions and one-time download fees.
- Developed scripts that automatically sync app catalogs to ever-changing industry catalogs that download new media and transform them into web-friendly formats with different qualities.
- Created the architecture and software that secures the digital media.
- Optimized the system to serve music and video streaming efficiently.
Technologies: jQuery, JavaScript, HTML, MySQL, PHP, CSS, APIs, SQL, LiveStream, Video Livestreaming, Music Streaming, Security, Digital Rights Management (DRM), FFmpeg, Architecture, Database Design
Software Developer
2006 - 2008
Merkez Yayın Holding
- Contributed to Sabah.com.tr, a major news site with about 10 million unique visitors per day. Performed optimizations and solved security challenges.
- Created a framework for the company's magazine websites—which owned about 30 weekly/monthly magazines—satisfying the needs of their websites.
- Built a code that produces and updates teletext code for a media company that 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.
- Developed apps that use services/subscriptions via SMS.
- Created reporting tools for various content sites.
- Developed a static site generator for content management systems.
Technologies: Smarty, HTML, MySQL, PHP, JavaScript, CSS, SQL, Security, APIs
Software Developer
2005 - 2006
Inanır Group
- Worked as a part of the team that developed a web-based salon management program for beauty parlors, spas, fitness centers, etc. The program can track customers, manage appointments, create reports, track employees, and more.
- Ran security tests on the system, patched security leaks, and improved overall system security.
- Contributed to the app's UI/UX and helped with the components' designs and UI elements.
Technologies: JavaScript, CSS, HTML, MySQL, PHP, SQL, SaaS, Web UX, Adobe Photoshop, APIs, Security
Software Developer
2004 - 2005
Sırmanet
- Built various dynamic websites for clients—most of which were in the education industry.
- Developed a basic framework to help with the school websites.
- Designed the websites and transformed designs into HTML.
Technologies: JavaScript, HTML, MySQL, PHP, CSS, SQL, Adobe Photoshop
Skills
Languages
CSS3, Sass, PHP, JavaScript, HTML, CSS, XML, SQL, Less, HTML5
Frameworks
Bootstrap 3, Bootstrap, Smarty, Nuxt.js, Laravel, PhalconPHP, Zend Framework, CodeIgniter, Yii, CakePHP
Libraries/APIs
React, Foursquare API, Twitter API, Instagram API, Facebook API, jQuery, Vuex, Vue, FFmpeg, SoapServer, Social APIs, Social Media APIs, Google Maps API
Tools
Git, Subversion (SVN), Adobe Photoshop, Zeplin, Avocode, SoapUI
Platforms
Windows, Linux, Visual Studio Code (VS Code), Ubuntu, Music Streaming
Storage
MySQL, Memcached, MongoDB, PostgreSQL
Other
Optimization, Performance, APIs, SOAP, SaaS, Web UX, Security, LiveStream, Video Livestreaming, Digital Rights Management (DRM), Subscriptions, Digital Payments, Payment APIs, Architecture, API Design, Cloud
Paradigms
Agile Software Development, Aspect-oriented Programming, Service-oriented Programming, Database Design
Education
1997 - 2002
Bachelor of Science Degree in Physics
Koc University - Istanbul, Turkey
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