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Backend Developer PHP (w/m/d) - IT Security Business

Zertificon Solutions GmbH.com

Office

Berlin

Full Time

Zertificon Solutions – Software Manufacturer since 2004. We are IT security specialists: our products encrypt business communications. More than 25% of the 100 highest-revenue companies in Germany, as well as hundreds of medium-sized enterprises across all industries, already use our Z1 encryption solutions. We have big plans and continue to grow steadily. Nearly 140 employees are already working with us in Neukölln. Join our professional, highly qualified team: take on challenges, share your knowledge, learn new things, and discover your potential!As a Backend Developer, you'll take a leading role in developing PHP-based microservices and APIs. Do you also prioritize clean code as much as we do? You would be a great fit for our team.

  • As part of a 7-person team, you will steer the development of microservices and RESTful APIs
  • Collaborating with other teams, you will set service boundaries and make sure microservices communicate well
  • You will monitor the performance and fix any issues in order to maintain low latency and high availability
  • Minimum 3 years experience as a PHP Developer with a focus on Microservices and APIs
  • Strong skills in PHP, RESTful API design, and frameworks like Symfony, Laravel, or Lumen
  • Experience with databases (e.g., MySQL, PostgreSQL, or NoSQL)
  • Knowledge of container technologies (Docker)
  • Understanding of version control systems, continuous integration, and continuous deployment (CI/CD) pipelines.
  • Nice to have: Knowledge in GoLang
  • You explain technical topics so clearly that everyone can work together productively in meetings, regardless of their technical background.
  • Languages: please pay attention! German (minimum B1) is required for this position, alongside fluent English
Flexible working hours and home office possible
Mobility: free Germany ticket, job bike leasing or car parking
Allowances for food (e.g. Lieferando) and internet in the home office
Benefits in the office: Roof terraces & green courtyard, organic fruit and drinks, parcel acceptance
Get-together: pizza Friday in the office, regular team events, big summer party

Backend Developer PHP (w/m/d) - IT Security Business

Office

Berlin

Full Time

January 16, 2026