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senior python engineer jobs near berlin, be

Senior Python Engineer (m/f/d) - Network Planning

Flix SE -
Berlin

Jetzt bewerben

Details zur Stelle

Leistungen

Mentoring-Programm für Mitarbeiter

Qualifikationen

CI/CD
Azure
Kubernetes
Relationale Datenbanken
Datenbanken
AWS
Docker
PostgreSQL
Terraform
APIs
Kafka
Flask
Künstliche Intelligenz
TypeScript
GitLab
Python
Shell Scripting

Vollständige Stellenbeschreibung

City: Berlin
Department: IT & Engineering

Recruiter: Anna Symonenko

At Flix, we offer a tech-driven environment where innovation meets real-world impact, with competitive pay, strong growth opportunities, and a culture of collaboration and ownership.

We're looking for an experienced Senior Python Engineer (m/f/d) to join our Supply Division. You'll make an impact by taking ownership of core backend systems that power our network planning optimization product. Your work will directly support network planners in scheduling vehicles, drivers, and timetables — improving travel experiences for millions of passengers while driving profitability.

Our team builds and maintains an optimization platform addressing use cases from vehicle and driver scheduling to timetable optimization. We follow modern system design — Domain-Driven Design, Hexagonal Architecture, and SOLID principles — with strict architectural boundaries enforced by tooling. Our backend workloads (APIs, event consumers, Kubernetes jobs) are built to scale with high code quality standards.

The product's algorithm engine is developed by Operations Research Engineers using mathematical optimization. As a Senior Python Engineer, you will own the engineering shell around these algorithms: the APIs, use cases, data pipelines, infrastructure, and the domain models that connect optimization output to the rest of the system.

You'll collaborate closely with other engineering teams to design and implement the interfaces and contracts that connect our platform to the wider system landscape.

Our current tech stack and toolset include:

Python, TypeScript, Shell scripting
Flask, React, Pytest
PostgreSQL, Confluent Kafka, DataDog
AWS tools, Terraform
GitLab, Kubernetes, Docker, Azure AD

About the Role

Own and evolve the backend: APIs, use case layer, domain models, serialization, and event-driven pipelines (Kafka)
Take engineering ownership of new product modules — designing the architectural scaffold, wiring layers, and ensuring clean boundaries
Build and maintain infrastructure: Kubernetes deployments, CI/CD pipelines, and cloud resources (AWS)
Collaborate closely with Operations Research Engineers to integrate optimization algorithms into the product
Work in an AI-augmented development workflow — actively using code agents and AI assistants as a natural part of how you ship software
Contribute to architecture decisions and uphold code quality through reviews, testing, and continuous improvement
Write well-tested, self-documenting code following hexagonal architecture patterns
Share your expertise and mentor colleagues, promoting a culture of knowledge sharing and learning

About You

Academic background in Computer Science or equivalent
5+ years of experience in backend software engineering with Python
Experience with modern front-end stack (some basic front-end tasks are part of our scope)
Experience applying clean architecture principles (hexagonal, ports-and-adapters, DDD) or similar approaches in production — able to contribute from day one
Experience with relational databases (PostgreSQL) and event-driven systems (Kafka or similar)
Strong experience in AI-augmented development — actively using code agents or AI assistants in daily work
Solid experience with containerization (Docker, Kubernetes) and CI/CD pipelines
Familiar with testing best practices: unit, integration, acceptance testing
Experience with cloud platforms (AWS or similar) and infrastructure as code (Terraform)
Familiarity with mathematical optimization or data-intensive applications is a plus

We recognize that everyone carries a unique set of valuable skills and experiences. If you think you could have an impact even though you don't meet 100% of the requirements, we still encourage you to apply. We want to hear from you!

What We Offer

Travel perks: 12 free Flix vouchers + 12 discount vouchers for friends & family.
Work from (M)Anywhere: Depending on your role, work from another location for up to 60 days per year.
Hybrid work model: We are an office-first company, but we offer flexibility to balance work and life.
Wellbeing support: Access confidential 1:1 counselling, courses, and stress management for yourself and up to four family members.
Learning & Development: Take advantage of language classes, training courses, and expert-led sessions to grow your skills.
Mentoring Program: Connect with experienced colleagues to gain insights and accelerate your career.

To view more local benefits specific to each office location,

Why Join Flix?

At Flix, we empower our teams to push boundaries and shape the future of mobility. As we continue to scale globally, we harness cutting-edge technology to make mobility smarter, more sustainable, and more affordable.

If you’re looking for a place where you can drive change and redefine how millions of people travel, Flix is the place where you can lead your journey!

Jetzt bewerben

Erweiterte Suche

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