Senior Full Stack Developer (PHP)

Hannover – Permanent – Full time

Apply now

Job Description

We are looking for an experienced Full Stack Software Developer to join our team. As part of the early-stage team you will work directly with the founders. This is your chance to significantly shape our codebase, infrastructure, and future - using PHP, Java, AWS and DynamoDB.

At the core of your position you will be working on algorithms managing the way ads are delivered to users, taking into consideration multiple data points like device data, ad environment, targeting, and user data - all in real time. Your main focus will be to optimize ad delivery to every individual user, reducing costs for advertisers, creating higher ad relevance and value for customers, and improve revenue implications for publishers. You will be using state of the art technology to handle big amounts of data as well as smart & self learning algorithms.

Like every other team member, you enjoy taking full responsibility for transforming ideas into rock-solid, well-engineered, scalable software.


  • Hands-on work on the ad tech platform of the future
  • The opportunity to shape the system landscape of a young tech startup
  • Insights into a highly innovative business idea with huge learning potential and new technologies
  • Flat hierarchies combined with a get-things-done atmosphere
  • Flexible working hours in a laid-back, young but highly motivated team


  • Skill Set:
    • PHP (cakePHP)
    • Java SE (Android SDK - optional)
    • Javascript (react, jquery, node.js - optional)
    • Databases (relational, document-oriented & key-value)
    • Xcode (ObjC / Swift - optional)
    • Basic CSS & HTML skills
    • Basic understanding of network topologies, DNS and SSL
    • Amazon Web Services
    • Linux/Unix development & production environments
  • You have at least 2 years of professional working experience
  • You have written large amounts of quality code
  • You are an experienced PHP developer that has worked with modern cloud infrastructure
  • You are a quick learner and love to tackle challenges that are not easy to solve
  • You have fun taking over responsibility for projects and stand up for results
  • Your are motivated to shape the future of a young startup
  • You like to work in a young but highly professional team


Social Events: We regularly organize team events.

Fruits & Snacks: We provide a healthly fruit basked as well as snacks, if you need the extra sugar!

Refreshments & Coffee: We provide a fully stocked fridge with cold beverages as well as a coffee or tea.

Games & Competitions: We love games, feel free to play a round of table tennis or Mario Kart after lunch or after work.

Parental Leave: Take time off when you become a parent.

Your Own Laptop: We provide a laptop that you can take home and use privately.


We don't care for a cover letter. We are interested in who you are, what personal projects you are passionate about and what you are looking for in a job. We are looking forward to your application!