BWI GmbH | Germany | 04xxx, 89xxx, 30xxx, 81xxx, 65xxx, 80xxx, 20xxx, 60xxx, 22xxx, 21xxx, 10xxx, 14xxx, 13xxx, 12xxx, 90xxx, 53xxx Bonn, Frankfurt, Hamburg, Hannover, München, Nürnberg, Ulm, Berlin, Leipzig | Permanent position | Full time / Home office | Published since: 16.01.2026 on stepstone.de
Senior Backend Engineer Video/Realtime (m/f/d)
As a primary digitization partner of the Bundeswehr, we provide stable, safe and efficient IT services in Germany and abroad, from basic operations to the field close to the application and thus contribute to the continuous increase in the leadership and operational capacity of the Bundeswehr. With over 7,700 colleagues, we operate and modernise one of the largest and most complex IT infrastructures in Germany. We are looking for responsible IT specialists who are convinced that the Bundeswehr-IT will further develop in challenging digitalization projects and thus contribute to Germany's security. Together with us, we are concerned about the future digital capability of the Bundeswehr. Senior Engineer Video/Realtime (m/w/d) from now on and in full time, preferably in Bonn, alternatively nationwide at a BWI site. Want to participate in one of the most important open source solutions for public administration? With us you design the BundesMessenger – a secure communication platform for all of Germany. Be there and develop with us a product that really makes a difference. In our agile, interdisciplinary teams, all hands work in hand: from UX to frontend and backend to DevOps & Testing. If you want to build innovative software with passion and actively shape Germany's digital sovereignty, you are right in our team! !
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Your tasks • Your profile • What we offer
You design and develop highly scalable WebRTC communication solutions based on LiveKit and Matrix
Latenzen, jitter or package losses analyze you deeply to ensure smooth transfer and high quality of service
Your area of responsibility includes the setup and optimization of STUN/TURN servers and the development of robust NAT-Traversal strategies
You can master complex network environments by planning and implementing multi-hop connections through DMZs, firewalls and air-gapped networks
The performance and protection of our RTC systems are your focus, as well as the implementation of E2E encryption for group calls
As an experienced developerin you actively shape the technological roadmap and pass your knowledge to the team as a mentorin
You can prove a degree or comparable training in the IT field
You have about 4 years of professional experience in the development and architecture of WebRTC systems that form your professional foundation (over pure API integration)
A deep understanding of network protocols such as ICE, STUN, TURN, RTP/RTCP and SRTP/DTLS
You have already worked successfully with SFU and media servers like LiveKit, Janus, Jitsi or mediasoup
Audio and video codecs (Opus, H.264, VP8/VP9) and Simulcast technologies are familiar to you
Complex network requirements such as NAT Traversal and Multi-Hop Architectures by DMZs master you sovereignly
Safe handling of container technologies like Docker and Kubernetes completes your technical profile
You are characterized by an analytical way of thinking, learning and creativity as well as good team and communication skills You master the German language in word like writing and have very good English skills
Through varied and socially relevant tasks, we ensure the smooth operation of IT and the digitization of the Bundeswehr We allow you flexibility to reconcile work and private life, for example through mobile work or trust work time and the long-term construction of a value balance account for e.g. a sabbatical The BWI offers a market-oriented remuneration, a secure workplace and a premised and employee-funded occupational pension scheme You start with 30 days of annual holiday with option for individual adjustments Our Benefit app provides you with a monthly balance and tax relief on tickets for the ÖPNV
Location
 | BWI GmbH | |
| 89075 Bonn, Frankfurt, Hamburg, Hannover, München, Nürnberg, Ulm, Berlin, Leipzig | ||
| Germany |
The text of this ad was translated from German into English using an automatic translation system and may contain semantic and lexical errors. Therefore, it should be used for introductory purposes only. For more detailed information, see the original text of the ad at the link below.
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