Johan Herreño

Johan Herreño

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Unity Developer | WebGL, Mobile & VR | Gameplay, Tools & Backend Integration
Colombia

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Résumé

Jobs verified_user 0% verified
  • Alternova Inc
    Mid Unity Game Developer public Remote experience
    Alternova Inc
    Jul 2024 - Feb 2026 (1 year 8 months)
    🔹 Developed 2D and 3D healthcare-focused games across Android, Windows, and WebGL using Unity, following security guidelines aligned with HIPAA and OWASP best practices. 🔹 Implemented eye-tracking mechanics using the official Tobii SDK, processing gaze data and adjusting metric reports. 🔹 Integrated real-time communication via WebSockets, handling live audio and text exchange with an AI agent through an external API. 🔹 Developed a WebGL dialog-driven game with dynamic content loaded from Firebase (Firestore + Storage), including runtime loading of assets, audio, animations, and scene configuration from backend data. 🔹 Implemented a CI/CD pipeline to automate build and deployment processes, integrating a launcher-based auto-update s
  • P
    Unity Developer public Remote experience
    Politécnico Grancolombiano
    May 2021 - Jun 2024 (3 years 2 months)
    🔹 Developed 2D and 3D educational simulators in Unity for Web, featuring immersive gameplay that enhances hands-on practice and learning. 🔹 Integrated Unity applications with .NET APIs for data storage and retrieval using Microsoft SQL Server and MongoDB. 🔹 Implemented administrative modules within Unity for visualization and export data. 🔹 Developed internal scripts to automate WebGL build deployments, eliminating the need for manual server updates. 🔹 Created a Unity package to export dynamic tables in Unity to PDF through integration with PDFMake (JavaScript). 🔹 Refactored and improved legacy Unity projects, focusing on performance optimization and code maintainability.
  • S
    Junior Unity Developer public Remote experience
    Suomaya
    Jul 2020 - Feb 2021 (8 months)
    🔹 Developed two 3D educational games for web and mobile platforms, including Android, using Unity. The first focused on trivia-based challenges, while the second featured resource management mechanics, both designed to promote learning and maximize user engagement. 🔹 Designed an interactive web-based application in Unity to visually demonstrate the effects of cold on the human body, enhancing user understanding through an immersive learning experience. 🔹 Contributed extensively to game design throughout the conceptualization and development phases of all projects, ensuring alignment with educational objectives and delivering engaging user experiences. 🔹 Produced a cinematic sequence in Unity using Cinemachine, clearly presenting key
Education verified_user 0% verified
  • Servicio Nacional de Aprendizaje (SENA)
    Tecnologo en Desarrollo de Videojuegos, Ninguna
    Servicio Nacional de Aprendizaje (SENA)
    Jan 2019 - Jan 2021 (2 years 1 month)
Projects (professional or personal) verified_user 0% verified
  • Servicio Nacional de Aprendizaje (SENA)
    Elementary Dungeons
    Servicio Nacional de Aprendizaje (SENA)
    Apr 2020 - Jun 2020 (3 months)
    - This game was the final project of my career, it has Voxelart art and it's a Beat 'em Up game with RPG elements. - Programed the AI of most enemies. - Designed the game levels and contribute ideas to the game design.