Confirmed Backend Engineer - Train

Blablacar; Paris; Hybrid; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Hybrid position

Healthcare coverage

Home office setup grant

25 days holiday

Swile meal card

Transport allowance

Stock options

Team building events

Product testing day off

Job summary

BlaBlaCar is seeking a Software Engineer to join the Train Supply team. You’ll scale the train distribution across Europe, building robust microservices with Spring Boot, contributing from conception to production, and collaborating with multiple teams.

The role emphasizes backend excellence, RESTful integrations, and a culture of learning. Hybrid work, stock options, and strong benefits accompany the opportunity.

Qualifications

• 3+ years of backend development experience in strong engineering cultures.
• Fluent in Java with Spring Boot, JUnit and Mockito.
• Hands-on with Git, Docker, Kubernetes, and monitoring solutions.
• Knowledge of service-oriented architecture and appropriate tradeoffs.
• Excellent communication, humility, and teamwork.
• Fluency in English.

Responsibilities

• Define scalable solutions to overcome Train Distribution challenges.
• Enhance, maintain and monitor the BlaBlaCar train ecosystem.
• Participate in the full application lifecycle: discovery, design, development, tests, deployment, monitoring and support.
• Collaborate across roles and cultures, sharing technical expertise with product and business teams.
• Lead complex cross-team projects across BlaBlaCar pillars and external actors.
• Foster continuous learning, experiment new patterns, and raise engineering standards.
• Leverage AI tools in daily workflows to improve productivity and code quality.

Skills

Java

Spring Boot

JUnit

Mockito

Git

Docker

Kubernetes

Monitoring tools

SOA

English

Tools

Spring Boot

JUnit

Mockito

Job description

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 Software Engineer to join the Train Supply team. The mission is to scale the current BlaBlaCar train distribution in Europe supporting the expansion of the train supply to new markets and countries.

As a backend developer you will work on technical challenges and product feature development from early-stage conception, to development, testing strategy, deployment, and monitoring of new releases.

BlaBlaCar's Train GDS stack is a scalable micro service architecture in spring boot 3 started in 2022. It uses REST API to communicate with other backends services in BlaBlaCar and with the suppliers.

You will be reporting to Solene, the Engineering Manager of the team, and working with a team of 3 other backend engineers. You will collaborate closely with several engineering teams, data, QA product managers and business developers to build robust and scalable features.

Your responsibilities

• Defining scalable solutions to overcome the technical challenges of Train Distribution
• Enhancing, maintaining and monitoring the current BlaBlaCar train ecosystem.
• Participating in the whole application lifecycle, meaning : initial discovery, design, development, tests strategy, deployment to production, monitoring, alerting and support
• Interacting with people with different roles, backgrounds and culture, and share your technical expertise with a mix of technical, product and business experts.
• Take the lead on complex projects involving multiple teams from BlaBlaCar in different pillars and external actors.
• Cultivate a continuous learning mindset, testing and experimenting new patterns, contributing to elevate the train team engineering standards.
• Actively leverage AI tools in your daily workflows, explore innovative AI-driven engineering practices, to improve productivity and code quality.

Your qualifications

• You have 3+ years of experience from companies with a strong engineering culture.
• You are fluent in Java and knowledge of frameworks such as Spring Boot, JUnit and Mockito.
• You have hands-on experience with Git, Docker, Kubernetes, and monitoring solutions.
• You know what a service oriented architecture looks like, and you can determine when to apply a given architectural pattern.
• You understand when and how to do a tradeoff between fast iterations and delivery quality.
• You have excellent communication skills, you're humble, and you are a team player.
• Fluency in English.

Nice to have : you have strong knowledge of train distribution or of a similar environment with the same technical challenges.

What we have to offer

• Hybrid position
• 4 additional weeks on top of legal maternity/paternity leaves
• 50% healthcare coverage (Alan)
• Financial support for home office equipment
• Minimum 25 days holiday per year
• Local meal plan policy (Swile card)
• 50% transportation paid (Forfait Mobilité Durable)
• Free unlimited carpooling & bus rides
• Personal growth via trainings, mentorship, and internal mobility programs
• Employee Stock ownership plan
• Regular team building events
• 1 day off per year to test our product

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.

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