Senior PHP Developer (10+years of experience) $$$$ Offline

Our German customer, which successfully develops online card games for browsers and mobile devices, is seeking a Senior PHP Developer.

Duration: 
Full-time, long-term. 

Requirements:
- 10+ years of professional experience in PHP development. 
- Experience with MySQL is a must
- Experience with Java will be a plus. 
- Experience in (test-driven) development. 
- Sense for performance and optimization. 
- Spoken English B2+ level

Nice to Have 
- Experience with another programming language, such as Python, would be an advantage. 
- Experience regarding test automation with relevant frameworks would be an advantage. 
- Professional experience in the mobile or games industry.