Confirmed Backend Engineer - Carpool Core

Confirmed Backend Engineer - Carpool Core

BlaBlaCar

Paris or Remote, France

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.