Leboncoin.fr Tech Stack

France's largest C2C marketplace with classifieds, real estate, and auto commerce

Software Development Paris, Ile-de-France, France 1,001–5,000 employees Founded 2006 Privately Held

Leboncoin operates France's dominant peer-to-peer marketplace across classifieds, real estate, automotive, jobs, and vacation rentals, with 28.8M unique monthly visitors. The tech stack—Go, PostgreSQL, Redis, MongoDB on AWS with Kubernetes orchestration—supports high-throughput listing pipelines and transaction processing. Current hiring skews engineering and sales equally (21 and 19 roles respectively), while project focus spans ML-driven listing submission, notification systems, and Salesforce-driven CRM automation, indicating a shift toward operational scaling and fraud mitigation alongside platform growth.

Tech Stack 77 technologies

Core StackSalesforce Go PostgreSQL Redis MongoDB Docker Kubernetes AWS AWS RDS Datadog Grafana GitHub Slack Confluence Jira Terraform Ansible Kotlin AWS SQS AWS SNS ElastiCache Kibana Gerrit Concourse AWS WAF IAM SAML OAuth 2.0 OIDC SAST+47 more

AdoptingGo

What Leboncoin.fr Is Building

◆Challenges

Optimizing user journeys
Improving conversion at each funnel stage
Scalable architecture for new feature deployment
High workload and many topics
Optimizing performance and scalability
Aligning crm processes with business priorities
Automating listing submission
Transaction issues
Reducing fraud rate
Auditing iac misconfigurations

▲Active Projects

Notification system development
Commercialization of digital advertising solutions
Developing ml features for listing submission
Appointment scheduling system
Automating listing submission
Improving existing processes via salesforce features
Cloud security architecture standards implementation
Iac security audit
Ci/cd security controls integration
Messaging services

Hiring Activity

Steady65 roles · 25 in 30d

Department

Engineering

Sales

Finance

Marketing

Data

Product

Security

Design

Seniority

Mid

Senior

Manager

Junior

Lead

Director

Notable leadership hires: Strategy Lead

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About Leboncoin.fr

Leboncoin is a French-founded (2006) peer-to-peer transaction platform that has grown to 1,500+ employees and established itself as the country's leading generalist C2C marketplace. The company operates across multiple verticals—general goods, real estate, automotive, employment, and vacation rentals—and reported 11.8M tonnes of annual CO2 savings through circular economy activity. Technically, the platform is engineered for high concurrency and geographic density, running on AWS infrastructure with Kubernetes-based microservices, distributed caching (Redis, ElastiCache), and multi-database persistence (PostgreSQL, MongoDB). Revenue streams include transaction fees, advertising solutions, and premium listing services.

Company Size1,001–5,000 employees

Founded2006

Hiring MarketsFrance

Frequently Asked Questions

What is leboncoin's tech stack?

Go, PostgreSQL, Redis, MongoDB on AWS. Infrastructure: Kubernetes, Docker, Terraform, Ansible for IaC. Observability via Datadog, Grafana, Kibana. Identity: SAML, OAuth 2.0, OIDC.

What is leboncoin working on?

ML-driven listing submission, notification systems, appointment scheduling, automated listing ingestion, Salesforce CRM integration, cloud security standards, fraud reduction, and CI/CD security controls.