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Cristian Martínez JiménezCM

Cristian Martínez Jiménez

Full Stack .Net Developer

€110/day
Ciudad de México, MX
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Cristian

Full Stack Developer specializing in .NET and mobile development. Experience in creating REST APIs, web development with C#, SQL Server, and frontend with JavaScript. I have also worked in technical support, database optimization, and enterprise application maintenance.
  • Spanish

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • DIGA
    Full Stack Developer
    January 2025 - Today (1 year and 7 months)
    Tultitlá de Mariano Escobedo, Mexico
    Full Stack Developer
    Development of applications with C# and ASP.NET
    (.NET)
    Creation, consumption, and publication of REST APIs
    Frontend development with HTML, CSS, JavaScript,
    jQuery, and Bootstrap
    Implementation of roles, permissions, and access control
    Development of modules from scratch in enterprise systems
    Multilingual management (Spanish / English)
    Integration of automated email sending from the system
    Report generation and management
    Version control with Git
    Mobile Development
    Support and maintenance of applications
    developed in Xamarin
    Consumption and integration of REST APIs
    Support and Database
    Management of SQL Server and Transact-SQL
    Creation and maintenance of Stored Procedures,
    Views, Triggers, and Jobs
    Optimization of database queries and processes
    Database indexing
    Handling, analysis, and resolution of incidents
    through a ticketing system
  • Techcomm Wireless
    Web Developer Full Stack Developer
    January 2021 - January 2024 (3 years)
    Izcalli, Mexico
    Web Developer
    Full Stack Developer
    Development of .NET and .Net CORE applications with C#
    Creation, consumption, and publication of REST APIs with
    ASP.NET Web API
    Frontend Development with HTML, CSS, JavaScript, jQuery, and
    Bootstrap
    SQL Server Management: queries, creation, and consumption of
    Stored Procedures
    Use of database tools like Azure Data
    Studio
    Version control with Git, TFS, and Azure DevOps
    Project and incident management using JIRA
    Experience in UI/UX for creating intuitive interfaces
    Mobile Developer
    Development of applications with Flutter and Dart
    Management of StatefulWidget and StatelessWidget
    Consumption of REST APIs and state management with Riverpod and
    Provider
    Development of responsive interfaces with a focus on UI/UX (Figma)
    Publication of applications on Google Play
    Version control with Git
    Support
    Handling and resolution of incidents through a ticketing system
    Support for enterprise applications
    Assistance with SQL Server database queries and maintenance
    Device Repair Technician
    Diagnosis and repair of mobile devices
    Component replacement and preventive maintenance
  • TEPOS Reparación de Celulares
    Repair Technician
    January 2021 - January 2024 (3 years)
    Tepotzotlán, Mexico
    Repair Technician
    Diagnosis and repair of mobile phones and
    tablets
    Component replacement (screens, batteries, charging ports)
    Software installation and configuration on
    devices
    Direct customer service and fault diagnosis

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Education

  • Formación Ing. Tecnologías de la Información y comunicaciones
    UMB
    2022
    Formación Ing. Tecnologías de la Información y comunicaciones
  • Programming Technician
    CECYTEM
    2017
    Tecnico en programación

Certifications

  • FORTINET - FUNDAMENTALS, CONFIGURATION AND BEST PRACTICES 1
    ASIAMI
    2025
    VPN VPN IPSEC Cybersecurity Fortinet
  • FORTINET - FUNDAMENTALS, CONFIGURATION AND BEST PRACTICES 2
    ASIAMI
    2025
    VPN VPN IPSEC Cybersecurity Fortinet

Skill set

Categories