- Migration to VoLTE of hundreds of Dstny Belgium customers, including customers with highly customized or legacy setups, by coding a migration manager made to handle all possible cases. - Development of new features of a future VoIP product: - Refining logging lib for multiple components in Python3. - Adding monitoring stack (Grafana, Loki, Tempo) to Kubernetes environment. - Adding service numbers feature using Asterisk ARI. - Creating REST API for new components. - ...- Troubleshooting issues with products to help technical support.- Bugfix of existing products.

- L3 support for Dstny Belgium, the Belgian service provider, and Dstny 4 Service Provider's new softphone 'ConnectMe2022'.- Took over the migration of Colruyt's devices and users to new infrastructure (>2000 users).- Took over upgrade of Colruyt's software in UAT and production environments using software engineer code.- Creating innovative solutions to provide workarounds and/or solutions to complex support problems.- Handling operational tasks for clients and internal infrastructure (monitoring, debug, service requests, etc.).- Installation, deployment, configuration and maintenance of server hardware and software.- Coded a tool to facilitate operational tasks, information lookup and debug in Colruyt's environments.

- Worked in team of five to revitalise client support for telecommunication system and eliminate huge ticket backlog.- Single-handedly and simultaneously managed telecommunication support for Colruyt and FMSB, Dstny Belgium's biggest and third biggest clients, having learned their support infrastructures.- Upgraded the software version of different product components.- Handled critical cases during on call duty out-of-work hours.- Wrote extensive documentation for Colruyt's new infrastructure.- Dedicated support agent for critical, complex and obscure cases (customised or legacy products).- Coded a tool to trace, log, report health status, execute remote commands and provide information for debugging issues on mutliple servers at the same time.