Experienced Python Developer

Worldwide | Oct. 8, 2026

Report as Closed

Company: SFEIR

Country: Worldwide

Type: Onsite

Employment: CDI

Description:

LILLE | AI-Native Group 🤖

Sharp Tech. Real Impact.

🧠 What we’re looking for in you

You are not afraid of:

• Design large-scale distributed systems with Python,
• Manage complex Cloud infrastructure redesigns,
• Build robust and efficient data pipelines,
• Mentor junior devs and share your expertise,
• Migrate technologies (Flask → FastAPI, protobuf → Pydantic) without breaking production,
• Propose architectural improvements via PoC,
  
  

You want to be the technical referent who moves projects forward, not just execute them.

🛠️ Projects you could have fun with

• Develop scheduling products around BigQuery and Dataflow,
• Create complex REST APIs with FastAPI in distributed architectures,
• Automate content translation with Google Cloud Generative AI,
• Build Jupyter Notebooks for data ingestion and processing,
• Set up documentary bases and ensure team onboarding,
• Validate ML results with the Natural Language API and generate reports,
  
  

In short, Python on projects that matter, with business impact.

🤜🤛 Why join us?

• • Technical management: your Engineering Manager also codes, on real customer projects.
  • Demanding recruitment: our “PlayOffs” tests position you as an expert from your first mission — and set your salary on your real skills (the process).
  • Thorough learning: SFEIR Institute, 15 years with Google Cloud (Partner of the Year), AWS, Microsoft, Databricks, Snowflake… certificates and labs included.
  • Free culture: agile, decentralized, no fuss.
  • Living community: tech events every week, 71 thematic groups, engaged circles (Inclusiveness, Green IT, etc.).
  • Your trajectory, your choice: IC, management, Trainer, Speaker, PlayOffs Evaluator, Annual Career Committee.
  • After SFEIR: 83% of our alumni go to companies where tech counts.

💰 How much will you earn at SFEIR?

At the end of the PlayOffs, our technical tests, we will be able to determine your skills, and especially your potential in order to offer you appropriate remuneration.

To give you an idea, the average remuneration within SFEIR Lille for an experienced Python developer with your experience starts at €48,000 gross per year.

Your salary will then be increased each year.

Your skills, nothing but your skills!

🔎 Who are we? 🔍

SFEIR is a catalyst for technological innovation at the forefront of the AI revolution. We transform organizations by creating tangible, lasting impact — not by following trends, but by industrializing them alongside our customers.

Our conviction: well-orchestrated agentic AI enables massive acceleration in delivery cycles. The organizations that get ahead will not be those that adopt AI earliest, but those that know how to methodically industrialize it. This is exactly what we do through our Context Engineering approach, our partnership with Anthropic..

💪 What makes us strong

Do you want to build powerful things in just a few clicks?:

• Anthropic Select Partner within the Services section of the Claude Partner Network since June 1, 2026!
• 15 years of partnership with Google Cloud, Partner of the Year on several occasions, and an ecosystem of premium partners (AWS, Microsoft, Scaleway, S3NS, Databricks, Snowflake, Confluent, dbt…)
  
  

🧀 And Lille in all this?

Since 2014, SFEIR Lille has been:

• A team of 100 techs passionate and augmented by AI,
• A hundred of local projects with high impact,
• A strong presence on the tech scene (50 conferences in 2025 💥),
• Premises 5 min from stations,<

  Apply here:

  Web: Apply here

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