About this role
We are looking for an experienced Senior Fullstack Consultant (Python/React) to join a team responsible for the development and evolution of a critical information system. You will work at the heart of key business processes.
Responsibilities
Within a multidisciplinary team (Product Owner, business analysts, developers, business users), you will be involved in the full development lifecycle:
Analyze functional requirements and understand business models within the energy domainDesign and develop robust, scalable, and high-performance solutionsDevelop and maintain modules for contract management, transactions, meter readings, forecasting, pricing, tradefeed, P&L, and risk managementImplement software quality best practices (design patterns, SOLID principles, testing, code review)Develop and optimize APIs and microservices in Python (Flask, FastAPI)Design, manage, and optimize databases (Postgres, SQL Server, AWS Athena)Build modern web interfaces using React, TypeScript, HTML/CSSProcess and leverage large datasets (Pandas, NumPy)Contribute to the platform’s performance, stability, security, and scalabilityParticipate in operational support, corrective maintenance, and enhancementsCollaborate closely with Cloud & DevOps teams for service deployment and monitoring (Docker, Kubernetes, Azure, AWS S3)Required Skills
Backend:
Python, microservices, REST APIsFrameworks: Flask, FastAPIFrontend:
React, TypeScript, HTML, CSSData & Databases:
Postgres, SQL Server, AWS AthenaData processing: Pandas, NumPyCloud & DevOps:
Azure, AWS S3Docker, Kubernetes (K8s)CI/CD, Infrastructure as Code (IaC) Profile
Proven experience in fullstack development with Python/ReactStrong understanding of distributed architectures, software quality, and engineering best practicesAbility to understand complex business models and interact with functional teamsAutonomy, rigor, teamwork, and initiativeStrong interest in data-driven environments and performance-related challengesFluent in French & English ( Dutch is a strong plus) All our positions are open to both women and men and are, of course, open to people with disabilities.