Spontaneous Application - Senior Fullstack Consultant - Python & React (m/w/d)

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 domain
• Design and develop robust, scalable, and high-performance solutions
• Develop and maintain modules for contract management, transactions, meter readings, forecasting, pricing, tradefeed, P&L, and risk management
• Implement 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/CSS
• Process and leverage large datasets (Pandas, NumPy)
• Contribute to the platform's performance, stability, security, and scalability
• Participate in operational support, corrective maintenance, and enhancements
• Collaborate closely with Cloud & DevOps teams for service deployment and monitoring (Docker, Kubernetes, Azure, AWS S3)
• Required Skills
• Backend:
• Python, microservices, REST APIs
• Frameworks: Flask, FastAPI
• Frontend:
• React, TypeScript, HTML, CSS
• Data & Databases:
• Postgres, SQL Server, AWS Athena
• Data processing: Pandas, NumPy
• Cloud & DevOps:
• Azure, AWS S3
• Docker, Kubernetes (K8s)
• CI/CD, Infrastructure as Code (IaC)
• Profile
• Proven experience in fullstack development with Python/React
• Strong understanding of distributed architectures, software quality, and engineering best practices
• Ability to understand complex business models and interact with functional teams
• Autonomy, rigor, teamwork, and initiative
• Strong interest in data-driven environments and performance-related challenges
• Fluent 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.

Additional Information

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.

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