Senior Software Engineer - Data Factory (f/m/d)

Our Data Observability Team is looking for a Senior Software Engineer based in Lille or Paris.

At the heart of the Decathlon Digital entity, we are looking for our future Senior Software Engineers to join the Data Factory teams.

This technological platform, global to the entire group internationally, supports the development of Data usage at Decathlon, from calculating turnover to aiding in the design of innovative products.

We operate a cutting-edge Modern Data Stack, with a Lakehouse as its central point. Our mission? To guarantee the scalability, automation, and excellence of development practices for all our communities (Data Engineers, Analysts, Scientists).

Our Data Observability team is an essential component of this mission. Organized around 3 key areas, the Data Observability team is responsible for exposing Decathlon's data assets and their maturity through the Data cockpit. We also provide core essential data on lineage, quality, and usage. We are a team that values collaboration, skill development, and concrete impact.

YOUR FUTURE CONTRIBUTION

As a Senior Software Engineer within the Data Observability team, you will play a key role in the creation and optimization of the data cockpit (alpha) for our data platform, business analytics, and country teams. Our mission is to create the data discoverability and observability platform within Decathlon (data maturity, usage, lineage). We are working on the product that delivers on this vision, the data cockpit.

Your responsibilities will include:

• Technical leadership on the data cockpit: You will take ownership of the technical stack for the backend and frontend of the data cockpit and will be supported by Data Engineers who provide the necessary datasets for the product to function correctly.
  
  
• Automated Data Governance: You will participate in the implementation of this new approach through data contracts and the data cockpit.
  
  
• Understanding functional needs: Proactivity in analyzing needs and understanding the daily work of the users we support and their stakeholders.
  
  
• Support and guidance: Act as an expert to guide data teams in the correct and effective use of our observability products.
  
  
• Promoting best practices: Actively contribute to the continuous improvement of our working methods (mob programming, TDD, robust documentation...) to raise the team's technical standards.
  
  
• Operational excellence: Implement monitoring and automation solutions to significantly reduce manual workload and improve the team's overall efficiency.

The team consists of:

• 1 Product Manager
• 4 Data Engineers

TECHNICAL STACK

• typescript
• Cloud: AWS / Aiven
• Queuing: Kafka
• DB: PostgreSQL (Aurora)
• Open Source framework: Great expectations, Open Lineage
• CI/CD: Github, Github actions, Docker, K8s
• Observability: Datadog, Prometheus, Grafana

WHAT YOU BRING

We are looking for a Senior Full Stack Engineer with an aptitude for understanding business processes, focused on our users, alongside strong technical skills.

Technical Skills:

• Experience in reactive programming
• Significant experience in the design and end-to-end implementation of micro-service solutions.
• Good knowledge of monitoring and alerting tools.
• In-depth knowledge of version control systems and continuous integration (Git/Github).
  
  

Interpersonal and Collaboration Skills:

• Excellent communication and documentation skills, as well as a strong service orientation, with a user-centric approach following a Product logic.
  
  
• You thrive in an agile and collaborative work environment (mob programming, code reviews...).
  
  
• Your proficiency in English allows you to interact easily with our international teams and partners.

WHAT WE OFFER YOU

• 2 days of remote work per week;
• Possibility to work in one of Decathlon Digital's offices in Lille or Paris;
• High-performance equipment provided in line with your responsibilities and our societal commitments (Mac, Windows, or Chromebooks);
• A local project team within a global network (possibility of international career);
• Skills development and support (diversity of projects, technical certifications from the first year, internal and external training, etc.);
• Remuneration package (employee profit sharing, monthly/quarterly bonuses).

Ready to Play?

If you are a data enthusiast (Software engineer) passionate about data governance and traceability challenges and motivated to build a robust digital product with high impact, we would be delighted to meet you. Join us to make sport accessible to all, thanks to data!