Expert Web Front End

11/07/2025

Our client is looking for an Expert Web Front-End

YOUR ROLE

As part of the continuous optimization of our web platform, we are looking for an Expert Web Front-End who can support us in improving code quality, front-end performance (suggestions for back-end), and implementing best practices around modern technologies, particularly real-time (Mercure), REST APIs, and automated testing.

MAIN MISSION

  • Support a team of developers
  • Optimize front-end performance (React / TypeScript) and back-end (PHP / Symfony / API Platform)
  • Optimize real-time resource usage (memory, CPU, initial load)
  • Establish front-end quality standards (naming conventions, error handling, etc.)
  • Redesign the architecture and structure of React/TypeScript code, aligned with modern development best practices
  • Gradual replacement of legacy code (Bootstrap, JavaScript, old React base)
  • Set up a solid Front-End framework: project conventions, quality standards, modular and scalable code organization
  • Structure and secure APIs using API Platform
  • Occasional technical mentoring of developers (code reviews, testing, etc.)
  • Technology watch and continuous improvement proposals for the stack

TECHNICAL ENVIRONMENT

  • Back-end: PHP 8+, Symfony 6 (LTS), API Platform, Mercure, MariaDB, Istio, ELK, Azure, NodeJS
  • Front-end: TypeScript, JS Framework (React/mui)
  • Queuing: RabbitMQ
  • Testing: Playwright (E2E), PHPUnit, JEST
  • Database: MariaDB
  • Cache: Redis
  • CI/CD: Azure DevOps / Docker / Git versioning / K8s
  • Monitoring: APM Kibana, Grafana, PMM, RUM Kibana, Loki, OpenTelemetry
  • Migration in progress: React / TypeScript / API Platform

PROFILE SOUGHT

  • Proven experience as a web integrator
  • Confirmed experience (10+ years) in front-end web development, with expertise in React / Symfony / API Platform / Real-time
  • Strong command of real-time and scalability challenges
  • Advanced knowledge of modern front-end development in TypeScript
  • Engineering mindset, rigor, optimization-oriented
  • Proficiency in software architecture and application performance
  • Strong communication and technical writing skills
  • Proficiency in source code management (Git, ticketing, …)

APPRECIATED BONUSES

  • DevOps experience (Docker, CI/CD)
  • Front and back-end application monitoring
  • Knowledge of web security (Auth/JWT)
  • Performance/validation tools

WHY JOIN US

  • Improve the performance of a real-time application
  • Technically ambitious and high-impact project
  • Agile methodologies
  • Autonomy, responsibility, and team spirit
  • Modern and well-equipped stack
  • Flexible and supportive environment

 

Job specifications

ID: 10631

Duration: As soon as possible - 30/12/2025

Location: Namur

Type: Freelance

Viktor Feyt

IT Recruitment Consultant
This position is no longer accepting applications.