Cristhian Camilo Gomez Neira, Full-stack Developer in Bogotá - Bogota, Colombia
Cristhian Camilo Gomez Neira

Full-stack Developer in Bogotá - Bogota, Colombia

Member since September 29, 2021
Cristhian is a back-end developer and data scientist passionate about algorithms, data science, and software development. He has experience in back-end design, software architecture, machine learning model design, and algorithm definition. Cristhian is a fast learner, and he is studying every day to improve his knowledge and skills.
Cristhian is now available for hire

Portfolio

  • Voice123
    Python, Algorithms, Data Science, Machine Learning, Camunda BPM...
  • Voice123
    Node.js, Camunda BPM, Elasticsearch, Apache Airflow, JavaScript...
  • Cargapp
    Node.js, JavaScript, React, Ruby on Rails (RoR), Software Development...

Experience

Location

Bogotá - Bogota, Colombia

Availability

Part-time

Preferred Environment

Slack, MacOS, Visual Studio, Camunda BPM, Elasticsearch, Apache Airflow, Docker

The most amazing...

...thing I've implemented is a complete recommender machine learning system for matching people with potential projects in a marketplace for voice actors.

Employment

  • Algorithm Engineer

    2021 - PRESENT
    Voice123
    • Optimized the search algorithm to improve the click through rate of the platform.
    • Improved the quality of the invitations that are sent to voice actors using a recommender system.
    • Improved the algorithm that predicts the number of people that need to be invited to fulfill a project using machine learning and data science methods.
    • Created an automatic tagging system to organize and analyze the information of voice actors in the platform.
    • Developed a categorization message model to organize data about messages in the platform and prevent spam.
    Technologies: Python, Algorithms, Data Science, Machine Learning, Camunda BPM, Apache Airflow, Node.js, JavaScript, Elasticsearch, Natural Language Processing (NLP), Convolutional Neural Networks, TensorFlow, Sequence Models, Deep Neural Networks, Software Development, Software Design, Docker, Python 3, Back-end, MySQL, PostgreSQL, Amazon Web Services (AWS), APIs, REST APIs, CSS, TypeScript, GitHub, HTML5, Express.js, Containers, MongoDB Atlas, AWS Lambda
  • Full-stack Developer

    2020 - 2020
    Voice123
    • Started the internationalization and localization efforts of the platform.
    • Tracked and fixed different bugs of high impact to the platform.
    • Started the optimization of the company's central algorithms.
    Technologies: Node.js, Camunda BPM, Elasticsearch, Apache Airflow, JavaScript, Software Development, Software Design, Docker, Back-end, MySQL, PostgreSQL, Amazon Web Services (AWS), APIs, REST APIs, CSS, TypeScript, GitHub, HTML5, Express.js, Containers, MongoDB Atlas, AWS Lambda
  • Full-stack Developer | Product Manager

    2019 - 2019
    Cargapp
    • Developed a web management system for load generators to search for truck drivers that could transport their products.
    • Developed a mobile app for truck drivers integrated with a tracking system and a real-time database to take jobs that fit their needs.
    • Helped the management team to make decisions based on data analysis and mathematical models.
    Technologies: Node.js, JavaScript, React, Ruby on Rails (RoR), Software Development, Software Design, Software Architecture, IT Project Management, DevOps, AWS, React Native, Back-end, MySQL, PostgreSQL, Amazon Web Services (AWS), APIs, Linux, MongoDB, REST APIs, HTML, CSS, GitHub, GitHub API, HTML5, Bootstrap, Ruby on Rails 5, Express.js, Ruby, Firebase Authentication
  • Full-stack Developer

    2019 - 2019
    VegaMedia Group
    • Integrated multiple tracking and control systems of various trucks.
    • Implemented a complete tracking system that gives real-time information to managers about the location, speed, and acceleration of trucks and gives alerts if the truck drivers stay in the same place for a long time.
    • Analyzed relevant data so managers can have the most optimal routes and understand the behavior of the truck drivers on different routes.
    Technologies: PHP, Node.js, C++, Software Development, Software Design, Software Architecture, IT Project Management, DevOps, JavaScript, AWS, Firebase, Back-end, MySQL, MariaDB, Amazon Web Services (AWS), APIs, Linux, MongoDB, REST APIs, HTML, CSS, GitHub, GitHub API, HTML5, Bootstrap, Express.js, React
  • Full-stack Developer | Project Manager

    2018 - 2019
    MB Media Digital
    • Developed five different web applications and eCommerce used by big companies in the music industry.
    • Created a complete tracking architecture so clients can have control in real-time about the health of the systems.
    • Implemented intelligent systems that help the business managers to make decisions and do data analysis.
    Technologies: PHP, Node.js, Ruby on Rails 4, React, Software Development, Software Design, Software Architecture, IT Project Management, DevOps, AWS, Firebase, GPS, Back-end, MySQL, MariaDB, Amazon Web Services (AWS), APIs, Linux, MongoDB, REST APIs, HTML, CSS, GitHub, GitHub API, HTML5, Bootstrap, Ruby on Rails 5, Ruby on Rails (RoR), Express.js, Ruby, Firebase Authentication

Experience

  • Voice123
    http://www.voice123.com

    Voice123 is a worldwide marketplace for professional voice actors. I acted as the platform's algorithm engineer and data scientist, analyzing data daily, designing models and algorithms based on data, maintaining the platform algorithms, and implementing new algorithms in the back-end, using technologies such as Elasticsearch Camunda, Node.js, and Apache Airflow.

  • Cargapp App for Truck Drivers

    A React Native application connected to a Ruby on Rails back end and a tracking system made in PHP. The application used a real-time database so managers of truck drivers could see the information and location of their trucks.

  • VegaMedia Tracking System

    VegaMedia is a PHP tracking system that integrates external GPS services and gets signals and information for Raspberry Pis connected to trucks around the country. The tracking system helps big companies keep track of their trucks, evaluate the behavior of their truck drivers, and helps them select the most appropriate routes.

Skills

  • Languages

    Python, Python 3, HTML, CSS, HTML5, JavaScript, C++, TypeScript, Ruby, GraphQL, Java, PHP, C#
  • Frameworks

    Express.js, Ruby on Rails (RoR), Bootstrap, Ruby on Rails 5, Ruby on Rails 4, React Native
  • Libraries/APIs

    Node.js, REST APIs, TensorFlow, React, GitHub API, AWS Amplify
  • Tools

    Slack, Visual Studio, GitHub, Camunda BPM, Firebase Authentication, MongoDB Atlas, Apache Airflow
  • Paradigms

    Data Science, DevOps
  • Platforms

    MacOS, Docker, Linux, AWS Lambda, Firebase, Amazon Web Services (AWS)
  • Storage

    Elasticsearch, MySQL, PostgreSQL, MariaDB, MongoDB
  • Other

    Back-end, Neural Networks, Convolutional Neural Networks, Deep Learning, Machine Learning, Natural Language Processing (NLP), Sequence Models, Time Series, Deep Neural Networks, Software Development, Software Design, Software Architecture, Algorithms, APIs, Containers, IT Project Management, AWS, GPS

Education

  • Bachelor's Degree in Computer Science
    2015 - 2021
    National University of Colombia - Bogotá, Colombia

Certifications

  • Sequences, Time Series and Prediction
    JANUARY 2021 - PRESENT
    Coursera
  • Sequence Models
    JANUARY 2021 - PRESENT
    Coursera
  • Natural Language Processing in TensorFlow
    JANUARY 2021 - PRESENT
    Coursera
  • Introduction to TensorFlow for Artificial Intelligence, Machine Learning, and Deep Learning
    JANUARY 2021 - PRESENT
    Coursera
  • DeepLearning.AI TensorFlow Developer Specialization
    JANUARY 2021 - PRESENT
    Coursera
  • Convolutional Neural Networks in TensorFlow
    JANUARY 2021 - PRESENT
    Coursera
  • Convolutional Neural Networks
    JULY 2020 - PRESENT
    Coursera
  • Structuring Machine Learning Projects
    JUNE 2020 - PRESENT
    Coursera
  • Improving Deep Neural Networks: Hyperparameter tuning, Regularization and Optimization
    OCTOBER 2017 - PRESENT
    Coursera
  • Neural Networks and Deep Learning
    SEPTEMBER 2017 - PRESENT
    Coursera
  • Machine Learning
    JULY 2017 - PRESENT
    Coursera

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