01
Pricing that moves every minute
Every station is its own market, the fleet ages daily, and demand turns on a football fixture. Our pricing engine re-quotes continuously and has to be right, not approximately right.
Engineering at SIXT · Munich · Lisbon · Kyiv · Bangalore
Every rental is a
distributed systems
problem.
We build the platform behind every SIXT rental: real-time pricing, fleet logistics, fraud, and one product that has to work on the web, in the app, at an airport counter and on a kiosk at 2am. Four hubs. A codebase we own end to end.
- services in cloud, across 6,500+ containers
- 2,000+
- EC2 instances, plus 160+ RDS instances
- 1,140+
- deployments per month, across all cloud workloads
- 9,000+
- AWS accounts
- 170+
- events per month, peaking at 600M
- 300M
Cloud estate
01 / Problem space
The problems we work on
02
Logistics for a fleet that never sits still
Every car is a constrained resource with a location, a service window and a contract. Routing them is a solver problem, and we run it against reality rather than a model.
03
Digital rent, world-class experience
We are building the best digital car rental experience on the planet, end to end. From the first search to the unlocked door to the closed invoice, every step belongs to us, so no part of the journey gets to be someone else’s problem.
04
Five products, one app
Rent, share, ride, plus and charge live in a single app, held together by one customer account and one loyalty programme. Book in one and the other four already know who you are, what you drive and what you have earned.
02 / Stack
A small stack, chosen on purpose
- Languages
- GoJava 21TypeScriptSwiftKotlinPython
- Services
- gRPCSpring BootKafkaTemporal
- Data
- Aurora PostgresDynamoDBSnowflakeSparkdbt
- Client
- ReactSwiftUIComposeKotlin Multiplatform
- Infra
- AWSKubernetesTerraformArgoCD
- Observability
- OpenTelemetryGrafanaPrometheus
· Engineering · 6 min
Kotlin Multiplatform (KMP): One Codebase, Many Platforms
Kotlin Multiplatform (KMP) enables sharing business logic, networking, and data layers across Android, iOS, web, and desktop — while keeping native UIs.
Read the post →
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A deep dive into programming history and questioning it's future
Spring Reactive Programming: Asynchronous, Non-blocking, and Scalable Solutions
ReactiveSpring: Building Scalable and Responsive Applications with Spring Reactive Programming
Dask: A parallel data processing python library for large datasets
A Basic Introduction to dask and how we can optimize workflows with it
Empowering Scalability: Harnessing the Power of CQRS for High-Performance Systems
Deep-Dive into CQRS systems
- Munich——:——18 open
- Lisbon——:——10 open
- Kyiv——:——0 open
- Bangalore——:——5 open
01 / HQ
Munich
Germany · Bavaria
Where SIXT started in 1912, and still the head office. Bavaria’s capital: the Isar running straight through it, the Englischer Garten in the middle, and the Alps an hour south.
02 / HUB
Lisbon
Portugal · Atlantic coast
Europe’s westernmost capital, built across hills above the Tejo estuary. Mild in January, and the Atlantic is a half-hour train ride from the office.
03 / HUB
Kyiv
Ukraine · Dnipro
Ukraine’s capital, spread over both banks of the Dnipro — a river wide enough to hold islands and beaches inside the city. One of the oldest cities in the region.
04 / HUB
Bangalore
India · Karnataka
Capital of Karnataka, sitting 900 metres up on the Deccan Plateau — high enough that summer stays bearable. India’s largest tech city, and it feels like it.
You own prod
The team that writes it runs it. No throwing releases over a wall to an ops group.
Proven tech, global scale
Five languages, one pipeline. We spend our novelty budget on the domain, not the toolchain.
Small teams, real mandates
A small team, one system, a roadmap they shape. Decisions happen in the team, not two levels up.
Ship to reality
Our code meets airports, counters and night shifts. If it only works in staging, it does not work.