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C developer (m/f/d)

Wire is transforming the way businesses communicate at the same speed that our founders disrupted telephony with Skype. Recognized by IDC, Forrester, and Gartner as one of the most secure collaboration platforms on the market, Wire offers messaging, audio/video conferencing, file-sharing, and external collaboration – all protected by the strongest end-to-end encryption. Wire is consistently delivering groundbreaking innovation from its unique “message fortress” architecture, 100% open-source software, and pioneering federation with Messaging Layer Security. Headquartered in Berlin with offices in Switzerland and San Francisco, our people come from a wide range of backgrounds, united by a shared passion for communication, design, and technology to build the leading secure collaboration platform in the world.


Be ready to play an essential role by joining our engineering team in Berlin. You will create first milestones for Wire and become a pioneer in transforming how organizations and governments communicate securely. You will join the Core Library chapter at Wire and work in a tight knit calling experience team (currently two people), alongside other developers working on support libraries for our frontend teams. You’ll be expanding our end-to-end encryption calling experience, which operates in a federated environment and is deployed to all major platforms (iOS, Android, Web and Desktop). Your new area of expertise:

  • You’ll work on high performance server and client code written in C
  • You’ll write and evolve well maintained library code
  • You’ll architect new calling protocols which maintain strong security
  • You’ll architect solutions involving complex network topologies
  • You’ll work on audio/video processing and WebRTC


  • You have experience coding in C
  • Experience with audio/video processing is a plus
  • You have experience with coding best practices, including reviews, automated tooling, writing documentation
  • You have the ability to communicate & discuss complex topics
  • You’re passionate about security, privacy, intuitive design, and protecting digital assets
  • You have the ability to work with a remote/hybrid team


  • Join a market-proven (>1,000 customers) and fast-growing company and be an active driver for Wire to become the worldwide market leader
  • We offer the technology for collaboration from anywhere, so why not enjoy the flexibility to work in a hybrid model? We have a beautiful office in the heart of Berlin and offer our team a mix of working from anywhere vs. spending selected days together in our office to connect on a personal level
  • We're not only developing the future of secured collaboration platforms, we're also investing into our own development: Every new team member gets a yearly education budget granted and can benefit from a holistic cafeteria system to strengthen personal capabilities. Books, conferences, certifications? We got you
  • Highly skilled colleagues and, who will make your career and professional development thrive
  • Individuals who can own their responsibilities tend to be the most satisfied and high performing. We have flat engineering hierarchies and tech leads that  empower you, so that you can keep moving forward
  • Join company events and team parties and enjoy daily fruits, snacks, free soft drinks, and the world's best Barista coffee machine
  • Have a friend looking for an awesome team to join? We reward every successful referral with a generous and above-market referral bonus. Learn more about our program when you've joined the team
  • Wire is an equal opportunities employer and does not discriminate on the grounds of gender, civil status, family status, sexual orientation, religion, age, disability, race, or being a member of the traveler community

Wire is an equal opportunities employer and does not discriminate on the grounds of gender, civil status, family status, sexual orientation, religion, age, disability, race, or being a member of the traveler community.

Have we caught your interest? If you're looking for an environment where our company DNA is defined by collaboration and ambition, please submit your application by the link and hear back from us soon!


Contact person

Müge Coskun