Senior Full Stack Developer | React • Node.js • Python

Expleo; Elsene; Sur place; EUR 50 000 - 70 000; Plein temps

Avantages offerts par ce poste

Hospitalization and outpatient insurance

Pension and group insurance

32 vacation days

Meal and eco vouchers

Flexible homeworking policy

Résumé du poste

Expleo in Brussels is seeking a skilled backend and frontend developer to participate in the migration of an existing platform to SitecoreAI. The ideal candidate should have strong development experience in Python and React, along with collaborative skills and fluency in English and either French or Dutch.

A competitive salary and comprehensive benefits, including 32 vacation days and a flexible working policy, are offered to support a healthy work-life balance.

Qualifications

• 1+ years of professional backend development experience using Python and FastAPI.
• 2+ years of frontend development experience using React; NextJS is beneficial.
• 2+ years developing backend services using NodeJS; NestJS is a strong plus.

Responsabilités

• Migrate an existing platform to SitecoreAI.
• Conduct regular code reviews focusing on performance, scalability, and security.
• Optimize platform performance through caching, database tuning, and CDN improvements.

Connaissances

Backend development

Frontend development

Fluent in English and French or Dutch

DevOps experience

Excellent collaboration skills

Formation

Bachelor’s or Master’s degree in Computer Science or IT

Outils

Python

React

NodeJS

FastAPI

SitecoreAI

Cloud services

Description du poste

Overview

Expleo is a trusted partner for your innovation journey. As a global engineering, technology and consulting service provider, we are ideally positioned to help you achieve your ambitions and future-proof your business. With a smart blend of bold thinking and reliable execution, we’re able to fast-track innovation through each step of your value chain. We are strategically positioned to build value, with a global footprint across 30 countries.

We are as global and local as you need us to be, with strong best-in‑class pan‑European technological centers and unique best‑shoring capabilities. We leverage a network of high value‑adding affiliates in consulting and industrial excellence, and leading partners across multiple sectors to provide you with the most comprehensive services and solutions in an ever‑changing environment.

Responsibilities

• Migration of an existing platform to SitecoreAI
• Conduct regular code reviews with a focus on performance, scalability, and security.
• Optimize platform performance through caching, database tuning, and CDN/WAF improvements.
• Strengthen observability by enhancing monitoring, logging, and alerting (e.g., Application Insights, Azure Monitor or similar application).
• Participate in the definition and adoption of SLA/OLA, incident, and change management processes.
• Document all technical and security changes following company governance and audit requirements.
• Support the project team, currently working on a migration to SitecoreAI.

Qualifications

• You are able to speak, read and write fluently English and French or Dutch. Strong documentation and communication in English.
• 1+ years of professional experience in backend development using Python together with FastAPI.
• 2+ years of professional experience in frontend development using React (experience working with NextJS is beneficial).
• 2+ years of Experience developing backend services using NodeJS (NestJS is a strong plus)
• 1+ year of experience with Node.JS headless CMS (TypeScript is a strong plus)
• Experience with deploying services in the Cloud.
• Experience with DevOps and setting up of pipelines
• Excellent collaboration skills
• Experience working with SitecoreAI is a strong plus.
• Bachelor’s or Master’s degree inComputer Science, Information Technology, or equivalent professional experience.

Benefits

At Expleo, we are committed to providing a competitive salary and substantial benefits offering with unique wellbeing, financial and employee recognition programs.

We pride ourselves on our diverse and inclusive culture and offer a variety of family‑friendly policies and enhanced leave to help you achieve a healthy work life balance.

By providing significant learning and development opportunities, we encourage individual growth and success throughout your career with us.

• Collaborative working environment – we stand shoulder to shoulder with our clients and our peers through good times and challenges
• We empower all passionate technology‑loving professionals by allowing them to expand their skills and take part in inspiring projects
• Expleo Academy - enables you to acquire and develop the right skills by delivering a suite of accredited training courses
• Enjoy a comprehensive benefits package, including hospitalization and outpatient insurance, a pension and group insurance plan, employee wellbeing initiatives, sports and social events, gifts for special occasions, and much more!
• Enjoy meal and eco vouchers to support your daily needs and sustainable purchases
• Receive monthly representation fees to support work‑related expenses
• 32 vacation days (20 + 12 for a 40‑hour week).
• Always working as one team, our people are not afraid to think big and question the status quo.
• Flexible homeworking policy – Balance your career and personal life

Our Commitment to Diversity We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age