Confirmed Backend Engineer - Carpool Core

About BlaBlaCar

BlaBlaCar is the world's leading community-based travel app enabling 27 million members a year to carpool or travel by bus in 21 countries. Our team of 800 employees counts over 50 nationalities and is spread across our 5 global offices, 30% working fully remotely.

Your Mission

We are looking for a Confirmed Backend Engineer to join our Carpool Core team at BlaBlaCar.

As part of the Carpool pillar whose mission is to "Grow long-distance carpool usage worldwide, while developing its revenues.", you'll join a team focused on "Improving carpool matching by providing a reliable access to the carpool supply and leveraging geographical intelligence for our backend teams."

The Carpool Core team manages the very heart of our product: the global carpool inventory. We build and operate the backend engine that handles millions of trips published, searched, and booked across our 22 countries. This is the core of how BlaBlaCar works.

Your role will be to contribute to delivering a scalable and reliable carpool inventory management system, while providing a simple and consistent interface to it for all teams.

You will work within a focused team of 5 backend engineers. You will collaborate closely with the team's Product Manager to shape and implement features, and with our main consumers in the Publish & Demand squads to ensure seamless integration.

Your responsibilities

• Design, build, and evolve the backend services that serve the whole carpooling inventory on the BlaBlaCar platform.

• Take full ownership of substantial features, from technical design and implementation to deployment and monitoring

• Work on strategic inventory topics, including:

• Validating & storing the publications of our drivers (incl. their route)

• Serving the internal search engine to display results in the BlaBlaCar app & website

• Managing the lifecycle of bookings (requested, accepted, confirmed...)

• Providing key inventory information for all screens in the product requiring them.

• Enhance and maintain our critical geo-spatial services that handle:

• Routing and Places: Computing routes using OSRM and Google Maps.

• Dynamic Search: Powering features like Smart Stopovers via our meeting-points service.

• User Location: Integrating GPS data to provide a seamless, real-time experience.

• Collaborate with the Product Manager and other engineers to refine requirements and translate business needs into robust technical solutions.

• Uphold and improve the team's code quality standards, providing detailed feedback and mentorship through code reviews.

• Document the solutions we build and ensure our APIs and services are well understood by consumer teams.

Your qualifications

• You have 3+ years of experience from companies with a strong engineering culture, within a growth context

• You have a solid knowledge of the Java language and ecosystem, and have good foundations in software architecture.

• You have hands-on experience with Git, Docker, Kubernetes, and monitoring solutions (Datadog)

• You have significant experience building, deploying, and operating backend microservices in a production environment.

• You value a product-oriented mindset and are focused on delivering business impact when designing software.

• You are not afraid to ask questions and to proactively seek feedback.

• You feel comfortable making technical choices and balancing business needs with technical constraints.

What we have to offer

• Full remote possible in the country of the role (+ access to BlaBlaCar co-working spaces in Bordeaux, Toulouse, Lyon, Nantes and Sophia Antipolis)

• 4 additional weeks parental leave 100% paid

• Financial support for home office equipment

• Free unlimited carpooling & bus rides

• Employee Stock Ownership plan

• 25 days holiday per year + RTT

• Local meal plan policies (Swile card in France)

• 50% transportation paid in France (Forfait Mobilité Durable)

• Mental health support through Moka.care

Interested in joining the ride?

• a 45-min video-call with Maxime, Talent Acquisition Manager, to get to know you, understand your career expectations and answer your questions

• a 60-min video-call with Cyril, Engineering Manager, to discuss your experience and share more details about the squad

• a 90-min live coding session with Software Engineers

• a 60-min design interview with Software Engineers

• a 30-min video-call with Sébastien, VP Engineering, for vision fit and rounding off the process

Our hiring process lasts on average 25-30 days, offers usually come within 48 hours.

BlaBlaCar is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.