leTEC

My Role

• IT Analyst-Developer in charge of designing
• developing and evolving React/Symfony business applications
• along with functional and technical analysis with field teams (dispatch
• operations
• IT).

Context

TEC is the public transport operator in Wallonia, Belgium. As a freelancer for 2.5 years, I worked in hybrid mode from Namur on internal IT tools — mission-critical business applications for daily dispatch and operations.

Key Features

• React / Symfony business application for operational management
• Integration flows between business systems (HASTUS/GIRO ecosystem)
• Application monitoring and alerting via Grafana
• Structured logging for data processing reliability

Technical Highlights

• Architecture refactoring and performance improvement on existing codebase
• Migration of legacy pipelines to robust, maintainable solutions
• Monitoring setup (Grafana) and structured application logging
• Functional and technical analysis written in close collaboration with business teams
• UX improvements based on direct field user feedback

Tech Stack