Lead Software Engineer –Python+Devops

Key Responsibilities:

• Design and implement robust REST APIs (Flask / FastAPI / Django).
• Lead complex feature development across backend, frontend, and database layers.
• Architect and optimize PostgreSQL schemas, queries, indexing, and migrations.
• Enforce code quality: reviews, standards, testing strategy, technical debt reduction.
• Implement secure authentication/authorization and data protection patterns.
• Integrate front-end React components (state management, performance tuning, accessibility).
• Drive observability (structured logging, metrics, tracing) and performance profiling.
• Own CI/CD improvements, containerization (Docker), and contribute to Kubernetes adoption.
• Mentor junior engineers; provide technical guidance and grooming input.
• Contribute to architectural decision records and backlog prioritization.
• Lead incident triage/root cause analysis and preventive improvements.

Required Skills and Qualifications:

• 4–5 years professional software development (shipping production services).
• Strong proficiency in Python for application development and automation.
• Advanced Python (dependency management, performance considerations).
• Flask / FastAPI / Django with blueprint/router design and middleware usage.
• React (hooks, context, performance optimization, testing, accessibility) + Material UI customization.
• Hands-on experience with PostgreSQL database design and optimization.
• PostgreSQL (query optimization, indexing strategies, normalization vs denormalization, ORMs like SQL Alchemy).
• Strong testing discipline (pytest fixtures, coverage; Jest/React Testing Library; integration & contract tests).
• Expertise in API development and management (RESTful services).
• Secure API design (rate limiting, input validation, OWASP awareness).
• Experience with CI/CD pipelines and tools such as GitHub Actions, Jenkins, or Azure DevOps.
• Containerization (Docker multi-stage builds, image optimization).
• CI/CD pipeline design (GitHub Actions / GitLab / Azure DevOps) with automated tests, linting, security scans.
• Solid understanding of GitHub for source control and collaborative development.
• Git proficiency: branching strategy, rebasing, release tagging.
• Observability tooling (metrics, logs, dashboards).
• Performance/debug tooling (profilers, EXPLAIN ANALYZE, Lighthouse, bundle analysis).
• Familiarity with security best practices and compliance requirements.
• Excellent problem-solving skills and ability to work in a fast-paced environment.

We are committed to creating a diverse environment and are proud to be an equal opportunity employer. All qualified applicants receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status

At Société Générale, we are convinced that people are drivers of change, and that the world of tomorrow will be shaped by all their initiatives, from the smallest to the most ambitious.

Whether you’re joining us for a period of months, years or your entire career, together we can have a positive impact on the future. Creating, daring, innovating and taking action are part of our DNA.

If you too want to be directly involved, grow in a stimulating and caring environment, feel useful on a daily basis and develop or strengthen your expertise, you will feel right at home with us!

Still hesitating?

You should know that our employees can dedicate several days per year to solidarity actions during their working hours, including sponsoring people struggling with their orientation or professional integration, participating in the financial education of young apprentices and sharing their skills with charities. There are many ways to get involved.

We are committed to support accelerating our Group’s ESG strategy by implementing ESG principles in all our activities and policies. They are translated in our business activity (ESG assessment, reporting, project management or IT activities), our work environment and in our responsible practices for environment protection