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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Development Specialist (Python) Machine Learning for Railway Traffic Optimization - **Company:** DB Zeitarbeit GmbH - **Location:** Berlin, Germany - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Artificial Intelligence, Software Quality, Code Review, Continuous Integration, Python (Programming Language), Machine Learning, NumPy, Pair Programming, Software Architecture, Software Engineering, Software Systems, Reinforcement Learning, Multi-Agent Systems, Deep Learning, Technical Debt, Gitlab, Information Technology - **Published:** October 19, 2026 - **Apply:** https://www.jobstairs.de/jobview/stellenangebot-software-development-specialist-python-machine-learning-for-railway-traffic-optimization-wmd-db-zeitarbeit-gmbh--2421889.html ## About the Role employment contract with us, DB Zeitarbeit GmbH. Deine Aufgaben: Develop and enhance software solutions in Python for advanced machine learning Contribute to the further development of a Multi-Agent Reinforcement Learning (MARL) platform that supports intelligent traffic and capacity management Collaborate closely with software architects, engineers, and AI experts to design and implement new features and technical solutions Ensure high software quality through testing, code reviews, and pair programming Continuously improve the maintainability and performance of the codebase by reducing technical debt and implementing best practices Actively contribute to the evolution of development standards, architectural guidelines, and engineering practices within the team Dein Profil: Degree in Computer Science or a comparable field of study At least five years of professional experience in the architecture and development of software systems using Python Strong commitment to writing clean, maintainable, and thoroughly tested code Experience working collaboratively in agile and cross-functional teams Excellent English communication skills, both written and spoken. Knowledge of German is an advantage Ideally, experience with software architecture, NumPy, GitLab, and CI / CD environments You possess a valid residence and work permit for Germany and are authorized to work in Germany for the duration of the assignment Das ist uns wichtig: Unser Anspruch ist es, allen Kandidat:innen bei gleicher Eignung die gleichen Chancen für den Einstieg bei uns zu bieten. Wir fördern aktiv die Vielfalt und das Miteinander in unseren Teams. Wir schätzen jede Bewerbung, unabhängig von Geschlecht, Nationalität, ethnischer und sozialer Herkunft, Religion, Weltanschauung, Behinderung, Alter, Dauer der Arbeitslosigkeit sowie sexueller Orientierung und Identität. ## Description We, DB Zeitarbeit GmbH, are the internal staffing service provider of Deutsche Bahn AG and at the same time your gateway into the DB Group. Short-term vacancies, project assignments, and parental leave cover positions are advertised through us to help meet the staffing needs of DB companies quickly and efficiently. As an employee of DB Zeitarbeit, you will work on fixed-term assignments across various business units of Deutsche Bahn, gain valuable professional experience, and develop new skills to support your future career path. Along the way, many of our temporary employees discover their long-term professional home within the DB Group. We are looking for you, at the earliest possible date, as a temporary employee on behalf of our client for an assignment as a Software Development Specialist (Python) Machine Learning for Railway Traffic Optimization (w/m/d) in Berlin. As a temporary employee, you will provide your services within the specified business unit while maintaining your employment contract with us, DB Zeitarbeit GmbH. Deine Aufgaben: Develop and enhance software solutions in Python for advanced machine learning Contribute to the further development of a Multi-Agent Reinforcement Learning (MARL) platform that supports intelligent traffic and capacity management Collaborate closely with software architects, engineers, and AI experts to design and implement new features and technical solutions Ensure high software quality through testing, code reviews, and pair programming Continuously improve the maintainability and performance of the codebase by reducing technical debt and implementing best practices Actively contribute to the evolution of development standards, architectural guidelines, and engineering practices within the team Dein Profil: Degree in Computer Science or a comparable field of study At least five years of professional experience in the architecture and development of software systems using Python Strong commitment to writing clean, maintainable, and thoroughly tested code Experience working collaboratively in agile and cross-functional teams Excellent English communication skills, both written and spoken. Knowledge of German is an advantage Ideally, experience with software architecture, NumPy, GitLab, and CI / CD environments You possess a valid residence and work permit for Germany and are authorized to work in Germany for the duration of the assignment Das ist uns wichtig: Unser Anspruch ist es, allen Kandidat:innen bei gleicher Eignung die gleichen Chancen für den Einstieg bei uns zu bieten. Wir fördern aktiv die Vielfalt und das Miteinander in unseren Teams. Wir schätzen jede Bewerbung, unabhängig von Geschlecht, Nationalität, ethnischer und sozialer Herkunft, Religion, Weltanschauung, Behinderung, Alter, Dauer der Arbeitslosigkeit sowie sexueller Orientierung und Identität.