BWI GmbH | Germany | 89075 Ulm, Donau | Permanent position | Full time | Published since: 21.04.2026 on arbeitsagentur.de ♿️
Lead Backend Developer - BundesMessenger (m/f/d)
Оccupation: IT test coordinator
Together with us, we are concerned about the future digital capability of the Bundeswehr.
Software Engineer Python & Rust (m/w/d)
from now on and in full time, preferably in Bonn, alternatively nationwide at a BWI site.
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 more than 8,000 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.
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!
Your profile:
- You can present a degree or comparable training in the IT field
- You have about 6 years of professional experience in the design and development of complex backend systems as well as professional leadership experience
- You have very good knowledge of Rust and Python as well as experience in building performant, incidental applications and mastering common Web/REST API frameworks (e.g. FastAPI, Django)
- You bring a deep understanding of microservices, distributed systems and asynchronous communication patterns with
- Security you think from scratch with (Secure by Design) and has practical experience in developing high-security applications (e.g. according to OWASP principles)
- In addition to good team and communication skills as well as decision-making and implementation strength, you are characterized by a sense of responsibility and a proactive, analytical and goal- and solution-oriented approach.
- You master the German language in word like writing and can communicate safely in English
Your tasks:
- You significantly shape the technical vision and advance the strategic development of our backend systems
- The design and implementation of a highly scalable and secure application with Rust and Python are your responsibility
- As a professional head of the backend team, you take the lead, promote best practices through code reviews and act as a coach for the developers
- Your Hands-on mentality shows you in the development of challenging core components in Rust as well as in the design of APIs and supporting services in Python
- You define and establish sustainable standards for code quality, security according to the "Secure by Design" principle, testing and our CI/CD processes
We offer:
- Through diverse 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
Did we awaken your interest?
You'll be here
If you have any questions, the recruiting team will be happy to provide you with the job ID: 66294. Tel: [for phone number see the original ad]
Keep saying it!
Frankfurt, Hamburg, Hannover, Munich, Nürnberg, Ulm, Berlin, Bonn, Leipzig
Joblocations:
30657 Hannover, Langenforther Str. 1 NETHERLANDS, GERMANY
60486 Frankfurt am Main, HESSEN, GERMANY
04109 Leipzig, SACHSEN, GERMANY
22587 Hamburg, HAMBURG, GERMANY
80331 Munich, BAYERN, GERMANY
53119 Bonn, NORDRHEIN_WESTFALEN, GERMANY
90402 Nuremberg, Mittelfranken, BAYERN, GERMANY
10115 Berlin, BERLIN, GERMANY
89075 Ulm, Danube, BADEN_WUERTTEMBERG, GERMANY
* After clicking the Read more button, the original advert will open on our partner's website, where you can see the details of this vacancy and contact information.
Contact
![]() | BWI GmbH | |
| null, 89075 Ulm, Donau | ||
| 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.
For more information read the original ad