Confirmed Backend Engineer - Carpool Monetization

BlaBlaCar

Paris, France

Your Mission

The Carpool Monetization team plays a key role at BlaBlaCar: designing and iterating on the models that monetize our core carpool activity.

We are looking for a Mid-level Backend Engineer to help us build, scale and optimize our Monetization core services. You will work on the full feature lifecycle, from early discovery and technical design to implementation, testing, deployment, monitoring and continuous improvement.

As part of a multi-stack team (3 FE engineers, 4 BE engineers, 1 PM, 1 UX Designer, 1 EM), you will contribute to initiatives such as subscriptions, freemium experience, insurance flows, ESC deployment (Energy Saving Certificates), and the rollout of monetization in new countries.

Our tech stack includes:

Java backend services exposed through REST APIs
Kubernetes-based infrastructure managed with Terraform
Event driven architecture with Kafka
Datadog for application and infrastructure monitoring

You’ll also have the opportunity to contribute to frontend developments depending on your interests.

Your responsibilities

Develop, maintain and monitor our Monetization core services
Be responsible for the quality of the application, and contribute to improving it. Participate in design and code reviews
Collaborate closely with frontend engineers, product managers, designers, and business stakeholders to define, develop, and deliver impactful features.
Document your work and contribute to shared knowledge and technical standards
Participate actively in continuous improvements across the team and codebase

Your qualifications

You have solid experience from companies with a strong engineering culture, within a growth context
You are fluent in Java and know frameworks such as Spring, Spring Boot, JUnit, and Mockito
You have hands-on experience with Git, Docker, Kubernetes, Kafka, Database at scales and monitoring solutions (e.g., Datadog)
You have a good knowledge of service-oriented and event-driven architecture, and can determine when to apply a given architectural pattern
Strong communication skills, humility, and a collaborative mindset
Ability to balance fast iterations with high-quality delivery
You have a results-driven and impact-oriented mindset
Fluency in English

Don't forget to mention EuroTechJobs when applying.

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