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Hansel TéllezHT

Hansel Téllez

.Net Backend Developer

€200/day
Santa Cruz de La Palma, ES
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Hansel

Computer Science Engineer with extensive experience in software development, systems administration, and networks. Specialized in client-server application design, API creation, and database management with .NET and MySQL. Competencies in optimizing technological processes, network administration, and television broadcasting. Committed to implementing robust, secure, and efficient technologies, results-oriented in dynamic and demanding environments.
  • Spanish

    Native or bilingual

  • English

    Conversational

Can work on-site
Santa Cruz de La Palma (up to 50km)

Experience

  • BYTLAB
    Software Developer (On-site/Remote)
    TELECOMMUNICATIONS
    February 2024 - Today (2 years and 4 months)
    Havana, Cuba
    • Development of a client-server desktop application for video file processing, with an emphasis on lossless quality reduction. Currently in use at Canal Caribe.
    • Management of all information related to each video file is carried out in a relational database using MySQL(mariadb). Querying, insertion, and updating of information are performed through stored procedures to ensure application security against MySQL code injection at runtime.
    .NET framework MySQL/MariaDB Back-End Development C# Windows Forms
  • MoviTel SA
    Software Developer (On-site)
    TELECOMMUNICATIONS
    January 2023 - March 2024 (1 year and 2 months)
    Havana, Cuba
    Development of a robust REST API for a management system, built on .NET Framework. Its central function is the secure and efficient management of user information and their roles, using MySQL (MariaDB) as the database engine to ensure data persistence and integrity. The API architecture is designed to provide clear and scalable endpoints, facilitating integration with web or mobile clients. The source code, fully documented, is available for review and collaboration in the GitHub repository: https://github.com/TouXch/gecu_API.git
    MySQL/MariaDB .NET framework C# REST API Web Development
  • Herramienta Fenix
    Software Developer (On-site/Remote)
    TELECOMMUNICATIONS
    February 2021 - April 2023 (2 years and 2 months)
    Havana, Cuba
    • Participation in the development of a data processing and repair tool with .NET Framework, client-server architecture.
    • Utilization of MySQL for the management of users and activation licenses, as well as for logging operations performed by users when using the tool.
    MySQL/MariaDB .NET framework Back-End Development C# Windows Forms

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Education

  • Diploma in Web Development
    Centro de Estudios Fray Bartolomé de las Casas
    2025
    Diplomado en Desarrollo Web

Skill set

Categories