Work Experience
Berlin, Germany
Senior Software Developer / Lead Engineer Core
February 2016 - September 2017
- Main objectives: CRM System, internal tools, lead developer, project owner, system architecture, server administration
- Lead Engineer (core)
- Coordination with stake holders from different departments like (bisuness) operations, accounting and marketing/growth team
- Team lead of a team of two other developers
- Development (front- and backend, mainly PHP7):
- Development of a custom CRM System based on Laravel 5 (customer and booking management, application process, billing and accounting, lead process)
- Usage of external Web APIs, e.g. Google Big Query, Adyen, PinAG, SendGrid,
Mailchimp
- Used technologies and tools:
- Laravel, MySql, Redis, jQuery, Bootstrap, SASS
- AWS EC2, S3, RDS, Google Cloud, BigQuery
- composer, git, nginx, new-relic, Ubuntu
- npm, gulp, socket.io
Berlin, Germany
Senior Software Developer
September 2014 - December 2015
- Main objectives: API (server and client side) and billing processes
- Company's REST API Server and PHP Client
- PHP development (mostly backend) with OOP and MVC
- 3rd party API (REST and JSON-RPC)
- Unit testing with PHPUnit
- Version control system git
Berlin, Germany
Software Developer
September 2009 - December 2015
- Main objectives: customer tracking, rapid prototyping, ad technologies, recommendation algorithms and billing processes
- PHP development (mostly backend) with OOP and MVC
- including 3rd party tools like: IMagick, ffmpeg, cURL, PHPExcel, TCPDF, xdebug
- including APIs like: REST, SOAP, DoubleClick Ad Exchange RTB, OpenRTB, OAuth, Google Analytics
- Query optimization (MySQL) and data aggregation (MySQL and NoSQL – mostly Redis)
- Technical consultation for internal developers, campaign/account management and customers
- Scaling for high performance systems
- Unit testing with PHPUnit
- Version control systems SVN and git
- Insights and experience with related fields of work like: Linux administration, HTML, JavaScript (JQuery), CSS, framework Cake, encryption
Berlin, Germany
Intern/Freelance
January 2005 - August 2009
- Web Design (HTML, CSS, JavaScript, Adobe Flash)
- Web Development (PHP, MySQL)
- Print and online design
- Club and street promotions
