Senior Python Full Stack Developer

You want to join a company that places people at the heart of its concerns? We are waiting for you at Extia !

As a consulting company specialized in IT and digital sectors, Extia has prioritized an approach that combines performance and well-being at work since its creation in 2007. This vision is shared today by more than 2,500 Extians across France and internationally, and has been recognized by the Great Place to Work® certification for 15 years!

We believe in equal opportunity and offer every candidate the chance to reveal their potential, without distinction of any kind. At Extia, it's "First who, then what" so, let's do it!

Collaboration & Team Alignment: Strong team player who thrives in cross-functional environments—able to partner effectively with Tech Leads, Product Owners, Business Analysts, and specialized units (DevOps, MLOps, Data, Security, Procurement).

• Adaptability & Resilience: **High degree of adaptability and comfort with change, capable of stepping into an accelerating, fast-paced roadmap within complex international teams.
• Problem-Solving Mindset: **Proactive troubleshooter who takes initiative to resolve complex issues, reduce technical debt, and ensure platform stability.
• Work Ethic & Quality Focus: **Rigorous, detail-oriented professional committed to security, application quality, and continuous improvement based on user feedback.
• Agile Integration: **Active participant in Agile cultures who values open communication, team ceremonies, and collaborative continuous delivery.

We are looking for an experienced Frontend & Python Developer to join our central Agent Platform squad. The primary focus is to build, evolve, and scale our internal Retrieval-Augmented Generation (RAG) platform bundled with interactive bot widgets, delivering off-the-shelf AI tools to international business units across 30 countries.

Key Responsibilities & Core Tasks Frontend & Backend Engineering:

• Build and optimize intuitive frontend interfaces using React.
• Develop and manage robust backend services and data pipelines using Python.
• Handle API integration and management (e.g., APIGEE) for seamless service connectivity.

Use Case Onboarding & Scaling:

• Onboard local market use cases across different regions, providing technical support and setting up environment configurations.
• Author playbooks and establish repeatable frameworks to accelerate onboarding and deployment speed.

Operations, Incident Management & Security:

• Support daily platform operations, monitor existing active bots, and follow up on incidents.
• Maintain system stability by troubleshooting technical issues, resolving technical debt, and mitigating security vulnerabilities across application and dependency layers.

Cross-Functional Agile Collaboration:

• Partner closely with Tech Leads, Product Owners, Business Analysts, and specialized functional teams (Data Science, MLOps, DevOps, Security, Procurement).
• Actively contribute to all Agile ceremonies (sprint planning, stand-ups, refinements, reviews, and retrospectives).