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Heitor N.HN

Heitor N.

Full stack • Machine Learning • End-to-End Builder

€667/day
3 projects
Paris, FR
3-7 years

Average response time: 1 hour

About Heitor

Software development has evolved with AI. Today, trying to fit a developer into traditional labels like "Fullstack" or "Backend" no longer makes sense.

Nice to meet you, I am an End-to-End Builder.

With over 5 years of international experience (Australia, France, and Brazil), I help companies turn complex technical challenges into robust, production-ready products. I take technical ownership of your project from architecture to production: from user authentication to Machine Learning predictions, encompassing Computer Vision and Cloud infrastructure.

How I can drive your project forward:

Deep Tech & Artificial Intelligence: Predictive models, LLM integration, and Computer Vision / spatial data solutions.

End-to-End Engineering: Scalable web applications, microservices, APIs, and data pipelines.

Cloud & DevOps: Secure and automated architecture (focusing on AWS and Docker).

Need a technical partner who can see the big picture and deliver end-to-end results? Let’s discuss your project.

Core Competencies & Technologies:
Python, Node.js, React.js, TypeScript, JavaScript, FastAPI, Flask, Express.js, AWS, Amazon S3, Docker, Traefik, PostgreSQL, MongoDB, SQL/NoSQL, PostGIS, Full-Stack Development, Machine Learning, TensorFlow, Scikit-learn, XGBoost, Generative AI, LLM Integration, Model Deployment, Computer Vision, OpenCV, Image Processing, Data Pipelines, ETL, Pandas, Cloud Infrastructure, DevOps, CI/CD Pipelines, GitLab, Microservices, REST APIs, WebSockets, SaaS Development, Software Architecture, System Design, IoT, Real-Time Systems, Security (RBAC, Keycloak), Spatial Analysis, GIS, QGIS, Photogrammetry, 3D Reconstruction, Predictive Analytics, Agile Development, Scalability, and End-to-End Delivery.
  • Portuguese

    Native or bilingual

  • English

    Native or bilingual

  • French

    Conversational

  • Spanish

    Conversational

Can work on-site
Paris (up to 50km), Strasbourg (up to 50km), Toulouse (up to 50km), Marseille (up to 50km), Lyon (up to 50km)

Experience

  • Atlas Engineering and Technology Group
    Software Engineer & R&D Lead
    RAW MATERIALS INDUSTRY
    December 2024 - July 2026 (1 year and 7 months)
    Sydney, Australia
    Recently, I led the end-to-end development of a high-performance R&D system in Australia, featuring:

    Cloud & DevOps:
    AWS infrastructure orchestrated with Docker, Traefik (reverse proxy), and Keycloak (security).

    Full-Stack Web:
    Mobile-friendly React.js/TypeScript frontend integrated with Node.js (Express/Sequelize) and FastAPI microservices.

    IoT & Data:
    Custom FTP server (FastAPI) for real-time camera dumps, automated AWS S3 uploads, PDF scraping, and database indexing.

    AI & Vision:
    Local LLM deployment (OpenUI), EDA (Pandas, NumPy, OpenCV), and an advanced photogrammetry pipeline for automatic volume estimation.

    Machine Learning:
    Multilinear regression models (XGBoost, Random Forest) using Keras/TensorFlow.
    Développement Front-End Développement Back-End Machine learning
  • Vaisala
    Full-Stack Developer
    ENERGY AND UTILITIES
    June 2024 - December 2024 (7 months)
    Paris, France
    Developed and Optimized Web Applications for Data-Driven Solutions

    Contributed to the development of two React and Flask-based applications, focusing on authentication, real-time data visualization, and performance optimization to enhance user experience and system efficiency.
    Key Accomplishments:

    🔐 Authentication & Authorization System: Designed and implemented a secure user management system, including role-based access control and logging mechanisms.

    🚀 Performance Optimization: Improved file upload efficiency and overall system responsiveness, enhancing scalability and user experience.

    📦 Dockerization: Containerized the application using Docker, streamlining deployment and ensuring consistency across environments.

    📝 Form Validation & UX Enhancement: Implemented robust form validation mechanisms to enhance data integrity and user interactions.

    📊 Real-Time Data Visualization: Developed a dynamic interface integrating REST APIs and WebSockets for real-time data updates, leveraging Plotly for complex visual analytics.

    🛠 Agile Development & Collaboration: Worked within an Agile environment, ensuring efficient project management, iterative improvements, and seamless collaboration.
    Développement Front-End Développement Back-End Cloud AWS Data visualisation Docker
  • Engage Mode
    Full Stack Developer
    SOFTWARE PUBLISHING
    August 2023 - May 2024 (10 months)
    Paris, France
    Directed the development of "Engage Mode," a sophisticated SaaS platform that enhances business development across diverse industries. This platform leverages advanced AI, including tuned Large Language Models (LLM) and Mistral, to refine client engagement processes, automating the creation of personalized business outreach communications.
    Node.js Gitlab CI/CD CI/CD Gitlab Développement Back-End

Reviews

5.0

Out of 1 rating

R

Rodolphe

Engage Mode

Reviewed on 11/10/2023

Heitor a apporté une superbe contribution à notre application, en améliorant significativement la qualité du code. Son expertise en développement full stack et surtout du clean code ont été cruciales pour optimiser et stabiliser notre plateforme. Un grand merci pour son travail !

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Education

  • Technical program in Software engineering
    Trybe
    2022
  • Bachelor's in Geology
    Federal University of Pampa
    2020

Certifications

  • Python for Data Science
    Microsoft (edx)
    2019
    Data visualisation Analyse de données Data science Python
  • Fullstack web development
    Trybe
    2022
    Typescript JavaScript React Fullstack

Skill set

Categories