Python Backend Engineer (F/N/M)

The right career for all

Created in 2006, leboncoin.fr is an exchange platform that simplifies access to consumption, favors local relations and makes digital a tool at the service of all. leboncoin is positioned as a digital, economic, societal, innovative player, always with the same objective: to facilitate all day-to-day exchanges for all of our users. We give a second life to thousands of goods. Behind this apparent simplicity, there is a fast-growing company with 1,400 employees, where it is good to work, a company that cultivates a responsible and collective HR approach. We are also the 1st site for sales between individuals in France and the 5th most consulted site in France.

What You’Ll Do ​& Who You Are

Job Description

You will join a multi-disciplinary team composed of Backend Developers, Full-Stack Developers, and Operations Technicians, reporting to an Engineering Manager and working closely with the Product Owner.

The goal of this Feature Team is to design and implement sales support tools for our professional clients. You will contribute to the development, deployment, and maintenance of services that enable both users and the company to achieve their goals under the best possible conditions.

You will collaborate with Paris-based technical support teams, as well as trade marketing and production teams—requiring rigor and pragmatism.

Within the FT EngExploit team, your responsibilities will include :

• Designing software architectures that align with both functional and non-functional requirements, while integrating seamlessly into the leboncoin ecosystem
• Applying quality software engineering practices (software craftsmanship) and supporting team members in learning and adopting these practices
• Developing new features with a strong focus on quality, performance, and scalability
• Contributing to the improvement of development, testing (unit and integration), and deployment environments and methodologies (code reviews, CI/CD…) using a DevOps approach
• Conducting technology watch activities and taking initiatives to enhance the product
• Performing business analyses and proposing solutions and improvements for users
• Creating and providing data flows for users

Required Qualifications

• Experienced developer with several proven projects in software deployment meeting high standards of quality, performance, and scalability

• Proficiency In Python

• Strong command of SQL, especially PostgreSQL
• Familiarity with Agile methodologies (Scrum, Kanban) and DevOps principles
• Ability to work autonomously and learn quickly
• Strong teamwork and knowledge-sharing mindset
• Curiosity about the business domain and a pragmatic approach
• Experience with distributed architectures, event-driven systems, microservices, RESTful APIs, and monitoring tools (Datadog, Prometheus, etc.)
• Knowledge of Airflow DAG development
• Familiarity with Kafka or other message brokers
• Strong command of SQL, especially PostgreSQL
• Familiarity with Agile methodologies (Scrum, Kanban) and DevOps principles
• Ability to work autonomously and learn quickly
• Strong teamwork and knowledge-sharing mindset
• Curiosity about the business domain and a pragmatic approach
• Experience with distributed architectures, event-driven systems, microservices, RESTful APIs, and monitoring tools (Datadog, Prometheus, etc.)
• Knowledge of Airflow DAG development
• Familiarity with Kafka or other message brokers

Preferred Qualifications

• Comfortable working with the team’s Python technologies: FastAPI, SQLAlchemy, Pandas, Streamlit, and Pytest
• You are fluent in French
• Pleasant working conditions (offices, possibility of teleworking...)
• Attractive remuneration (fixed, variable and
• Opportunities for rapid, tailor-made professional developmen
• The meal voucher card
• Efficient and competitive health and provident insurance cover
• In addition to these, we offer other benefits.
• Comfortable working with the team’s Python technologies: FastAPI, SQLAlchemy, Pandas, Streamlit, and Pytest
• You are fluent in French
• Pleasant working conditions (offices, possibility of teleworking...)
• Attractive remuneration (fixed, variable and
• Opportunities for rapid, tailor-made professional developmen
• The meal voucher card
• Efficient and competitive health and provident insurance cover
• In addition to these, we offer other benefits.

Benefits:

• Profit-Sharing)

Want to find out more? Apply and ask our recruiters!

Adevinta is an equal opportunity employer and we value diversity. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status or disability status.

If you feel like you don’t meet all of the requirements for this role but are interested, please consider applying anyway. Research suggests that women and individuals from underrepresented groups may self-select out of opportunities if they don’t meet 100% of the job requirements. We strongly encourage people from historically excluded groups to apply and look forward to speaking with you.