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!

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

Responsibilities

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

Qualifications

• 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

We offer:

• Flexible hours and home office options
• Mobility: free Germany-wide public transport ticket, bike leasing, or parking
• Subsidies for meals: (e.g., delivery services) and home office internet
• Urban Sports Club membership for flexible fitness and wellness
• Office perks: rooftop terraces & green courtyard, organic fruit and drinks, personal packages accepted at the office
• Get-togethers: monthly Pizza Friday, regular team events, big summer party
• Responsible leadership: structured onboarding, regular feedback, clear goals
• Innovative without startup risk: profitable for 20+ years, self-funded innovation with strong global potential
• International team: 120+ colleagues from 30+ countries, open and collaborative culture

If that resonates with you, we’d love to hear from you.

Want to know more? Please have a look at our Work at Zertificon page: https://www.zertificon.com/en/it-jobs-berlin/work-at-zertificon (https://www.zertificon.com/en/it-jobs-berlin/work-at-zertificon)

Questions?

You can reach our HR team at

jobs@zertificon.com (https://mailto:jobs@zertificon.com)

Bereitgestellt in Kooperation mit der Bundesagentur für Arbeit.