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Hanna SalinasHS

Hanna Salinas

Software Developer | Backend · Full-Stack · Data

€150/day
Medellín, CO
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Hanna

Software developer with hands-on experience in backend, REST APIs, databases, and full-stack web applications. I have built real-world projects: a complete Data Warehouse with SQL Server and Docker, an interactive 3D platform with React and Node.js, backend systems in Java, and data analysis with Python. I work with professional architecture, Git, and clear documentation. Available for remote projects in web development, data engineering, or automation.
  • English

    Conversational

  • Spanish

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Universidad del Valle — Programa Delfín
    Software Engineering Researcher
    May 2026 - Today (1 month)
    Ciudad de México, Mexico
    Selected by merit in the 31st Pacific Scientific and Technological Research Summer. A competitive inter-institutional academic mobility program with the participation of universities from Mexico, Costa Rica, Peru, Nicaragua, and Colombia. Virtual modality.
    Python Research Git Documentation external-api-integration
  • Autónomo / Freelance
    Software Developer — Backend, Full-Stack & Data
    January 2025 - Today (1 year and 5 months)
    Medellín, Colombia
    Independent development of real software projects: a complete Data Warehouse with SQL Server, Docker, ETL, and 15 strategic HR KPIs; an interactive 3D platform with React, Three.js, and Node.js; backend systems with Java, design patterns, and functional programming; data analysis with Python, Pandas, and Scikit-learn. Professional architecture with Git, semantic branching, and technical documentation on GitHub.
    Node.js Python MongoDB Docker Git
  • Institución Universitaria Digital de Antioquia — IUDigital
    Software Developer — Academic Projects
    July 2024 - Today (1 year and 11 months)
    Medellín, Colombia
    Design and development of complex software systems as part of the Software and Data Engineering curriculum. Featured projects: an academic management system with MongoDB (ACID transactions, aggregation pipelines), a Java rental system with Singleton and Factory Method design patterns, and multivariate analysis with Python and PCA on 970 real records. Complete technical documentation and publication on GitHub.
    MongoDB Java Python SQL Git

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Education

  • Software Engineering Researcher
    Universidad del Valle
    Investigadora en Software
  • Software and Data Engineering
    Institución Universitaria Digital de Antioquia (IUDigital)
    Ingeniería de Software y Datos

Skill set

Categories