Sebastian Serna Valencia

Supervision and leadership of the technical support team in charge of diagnosing and resolving hardware and software failures, installation and configuration of operating systems, work networks, and preventive and corrective maintenance of the technological infrastructure. In addition to coordinating the team's activities, I actively participate in the repair of equipment and resolution of critical incidents, which guarantees effective solutions and reinforces the quality standard of the service.

Independent development of a local web application aimed at improving the management of technological incident tickets. The project ranged from the requirements elicitation phase to the complete development and testing of the system, integrating knowledge of software engineering, interface design, relational databases, and client-server architecture. The objective was to optimize the ticket management flow, allowing administrators and receptionists to register and assign tasks to operators. When starting from a tablet device), they can visualize, update, and finalize their assigned tasks in a structured way with traceability.

Individual development of a desktop application oriented to the basic control of a parking lot, allowing to register entries and exits of vehicles (cars and motorcycles), calculate the amount to pay based on time, and modify the rates in real time. The application does not include monthly or full-day payments. Focused locally