Senior Fullstack Engineer — Python & React for AI Platforms

Everience; Brussel; On-site; EUR 90,000 - 120,000; Full time

Job summary

Everience is seeking an experienced Senior Fullstack Consultant (Python/React) to join a team building a critical information system for energy-sector processes. You will work with Product Owner, analysts, and developers across the full development lifecycle.

Responsibilities include designing robust solutions, developing modules for contract management, and building APIs and dashboards. You will apply SOLID principles, code reviews, and modern tech like Flask, FastAPI, React, and cloud

Qualifications

• 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)

Responsibilities

• 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).
• Collaborate closely with Cloud & DevOps teams for service deployment and monitoring (Docker, Kubernetes, Azure, AWS S3).

Skills

Fullstack Python/React

Distributed architectures

Interacting with stakeholders

Autonomy and teamwork

Data-driven environments

Fluent French & English

Flask

FastAPI

Tools

React

TypeScript

HTML/CSS

Pandas/NumPy

Docker/Kubernetes

Azure/AWS

Job description

Everience is seeking an experienced Senior Fullstack Consultant (Python/React) to join a team building a critical information system for energy-sector processes. You will work with Product Owner, analysts, and developers across the full development lifecycle.

Responsibilities include designing robust solutions, developing modules for contract management, and building APIs and dashboards. You will apply SOLID principles, code reviews, and modern tech like Flask, FastAPI, React, and cloud