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Carlos Andrés Contreras RoaCA

Carlos Andrés Contreras Roa

Expert in Development, Support, and AI Automation

€150/day
Bucaramanga, CO
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Carlos Andrés

Full stack developer with over 10 years of experience in the design, development, technical support, and maintenance of robust web applications. Specialized in resolving complex technical issues and continuous system improvement, with a focus on optimizing user experience and ensuring operational stability.

Advanced proficiency in technologies such as Python, Java, PHP, Node.js, Angular, relational and non-relational databases, Docker, and automation and artificial intelligence tools. Experience in the development and implementation of automation solutions using chatbots and virtual assistants, designing intelligent conversational flows and integrating them with existing systems.

Proven ability to lead technical teams, manage production incidents, propose strategic improvements, and work under agile methodologies like Scrum, applying OKRs to achieve clear objectives. I have collaborated with financial, governmental, and technology sectors, providing scalable, secure, and customized solutions.

Committed to service quality, technological innovation, and continuous learning. Proactive in identifying improvement opportunities and implementing tools that generate real value for the business and customers.
  • Spanish

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • emBlue
    Tech Lead N3
    July 2025 - Today (1 year and 1 month)
    Bogotá, Bogota, Colombia
    Lead the N3 Technical Support team, resolving incidents and issues.
    • Lead the Technical Support (N3) team for the company's core product.
    • Maintain, develop, and propose fixes to stabilize the platform.
    • Agree on and meet support objectives, manage ticket queues, and ensure deliverable quality.
    • Establish area processes to optimize its functioning.
    • Train different areas for better ticket handling.
    • Lead the development of necessary internal tools to ensure first-line resolution of customer claims when possible.
    AI Python (Programming Language) Node.js
  • emBlue
    Support Developer 3
    April 2022 - June 2025 (3 years and 2 months)
    Bogotá, Bogota, Colombia
    As a Support Developer 3, responsible for providing specialized technical support to clients, ensuring efficient resolution of their issues and needs. My role includes analyzing, diagnosing, and solving application problems, as well as developing continuous improvements that optimize its functionality and user experience. I work collaboratively with different teams to implement updates and new features, ensuring system stability, performance, and scalability. My focus is on providing agile and quality service, adapting to changing business requirements and contributing to the product's constant evolution.
  • PersonalSoft
    Senior Software Developer
    August 2021 - April 2022 (8 months)
    Bogotá, Bogota, Colombia
    Build and oversee detailed design work and software components necessary to meet the functional and non-functional requirements of the solution and provide support to assigned projects.
    Develop and support applications for the virtual channels area of Banco Agrario de Colombia, applying the security and development standards requested by the bank, under the SCRUM methodology.

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Education

  • DEPLOYMENT OF APPLICATIONS AND SERVICES IN DOCKER CONTAINERS Start writing instructions like a pro Working with OKRs: Fundamental Knowledge and Beliefs Intensive Python Course Scrum Foundation Professional Certificate (SFPC)
    DESPLIEGUE DE APLICACIONES Y SERVICIOS EN CONTENEDORES DOCKER Empieza a escribir instrucciones como pro Trabajar con OKRs: Conocimiento y Creencias Fundamentales Curso intensivo de Python Scrum Foundation Professional Certificate (SFPC)
  • Engineer's degree
    National Experimental University of Táchira
    2010
    Engineer's degree

Skill set

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