José Magon Júnior, Software Developer in Mandaguari - State of Paraná, Brazil
José Magon Júnior

Software Developer in Mandaguari - State of Paraná, Brazil

Member since August 4, 2020
Joe is a senior developer with years of extensive experience developing quality software solutions for both startups and large companies. Besides having worked successfully as a full-stack developer, Joe has implemented numerous REST APIs and microservices using a range of technologies and infrastructures. Backed by a master’s degree in computer science and years of successful project delivery, Joe can hit the ground running on a project and start delivering value immediately.
José is now available for hire




Mandaguari - State of Paraná, Brazil



Preferred Environment

Visual Studio Code, IntelliJ IDEA, Atom, Linux

The most amazing...

...thing I've developed was an eCommerce back end from the scratch, including the Shopify, shipping, and payment integrations.


  • Senior Software Engineer

    2020 - 2021
    • Created back-end solutions with Go, PostgreSQL, Redis, REST Servers, GraphQL Servers, and REST APIs.
    • Developed front-end solutions with JavaScript/React, GraphQL clients, and REST clients.
    • Integrated several tools, libraries, and external APIs.
    • Worked in a team of eight people and provided a GraphQL API to third parties that needed to integrate with Pulley's application.
    Technologies: JavaScript, React, GraphQL, PostgreSQL, Go, Redis, Hasura, TypeScript
  • Senior Full-stack Developer

    2019 - 2020
    Self-employed at
    • Developed a web application solution for a clothing manufacturer—integrating ERP and app data, The solution included production planning requirements.
    • Built a web application for City Hall. The application stores the records for a marketer's personal and product data and allows the issuing of licenses.
    • Developed React-based web and mobile applications.
    Technologies: Meteor, Node.js, Flutter, MongoDB, PostgreSQL, Spring, Go, Java, React
  • Senior Software Engineer

    2019 - 2020
    Remote Contractor for SiriusXM Satelite Radio
    • Developed high-performant, high-availability microservices.
    • Integrated resources that delivered results, e.g., REST services which consumed data from databases, other REST services, Soap services, Kafka messages, JMS queues, among others.
    • Developed APIs that served as the groundwork for other projects.
    Technologies: Amazon Web Services (AWS), MongoDB, Apache Kafka, Redis, Microservices, AWS, SQL, REST, Go
  • Senior Full-stack Developer

    2018 - 2020
    Self-employed at
    • Developed back-end solutions for enterprise applications, eCommerce, and mobile applications.
    • Tracked tasks using Basecamp which included adapting to each client's demands and communicating, proposing, and delivering the best cost-benefit solutions for each issue.
    • Integrated many third-party solutions to achieve the goals and deliver MVPs as soon as possible.
    • Worked with five other people as a senior full-stack developer and consumed external GraphQL APIs like Shopify.
    Technologies: JavaScript, Flutter, Go, React
  • Team Lead | Senior Full-stack Developer

    2014 - 2019
    • Developed and maintained enterprise applications for several car manufacturers in Latin America like BMW, Mercedes-Benz, Jaguar/Land Rover, and Nissan.
    • Created solutions that range from analyzing the problem with the PM to the definitions of tasks, development, validation, and delivery of releases.
    • Served as a technical leader, helping each team member with their weakness and strengths to achieve technical evolution but while also meeting deadlines.
    • Developed Java and JavaScript/React web applications.
    • Created APIs and back-end services and integrated third-party APIs.
    Technologies: SQL, Spring, JavaScript, React, Java
  • College Professor

    2013 - 2014
    UTFPR | Universidade Tecnológica Federal do Paraná
    • Created the university lesson materials for a computer science course.
    • Built several proof-of-concept projects using the Django infrastructure to teach object-oriented programming lessons.
    • Created the lesson materials for a computer science course including algorithms and data structures.
    Technologies: Python, Django


  • eCommerce

    This project involved developing a multi-level eCommerce along with integrating the shipping and payment.

    I developed the back end from scratch, implemented the core logic, as well as building the front-end REST API and handling integrations and reports. In short, I developed a scalable solution that was ready to grow and meet a high demand.

  • Video-streaming Service

    I developed a video-streaming service that enables users to have online privately recorded audio and video chats. I applied WebRTC technologies to achieve the results along with creating a back end to handle connections and manage the streaming and recording.

  • Private Company Sales App

    We built a sales solution with a range of features:
    • An app for sales, allowing client search, financial status, product search, salesman sales route, orders creation.
    • The back-end structure to support it, including integration with an ERP system and web application with tools for configuration and management of the sales.


  • Languages

    Java, SQL, Go, JavaScript, CSS, GraphQL, Python, C++, UML, TypeScript
  • Frameworks

    Hibernate, JSF, Spring Boot, Flutter, Spring, JPA
  • Libraries/APIs

    REST APIs, React, Node.js, Stripe API
  • Tools

    Git, Maven, GitHub, Atom, IntelliJ IDEA, Jenkins, Gradle, Docker Compose
  • Paradigms

    REST, Microservices, Unit Testing
  • Other

    APIs, API Integration, Back-end, Full-stack, SOAP, API Design, Fintech, Artificial Intelligence (AI), Machine Learning, Evolutionary Algorithms, Applied Computing, AWS, Algorithms, Data Structures, Computer Engineering, Containerization, Integration Testing, GPC
  • Platforms

    Linux, Amazon Web Services (AWS), Oracle, AWS Lambda, Visual Studio Code, Apache Kafka, Docker, Kubernetes, Meteor, Twilio
  • Storage

    NoSQL, PostgreSQL, MySQL, Redis, MongoDB, AWS DynamoDB, Hasura


  • Master's degree in Computer Science
    2009 - 2011
    University of Maringá - Maringá, PR, Brazil
  • Bachelor's degree in Computer Science
    2003 - 2006
    University of Maringa - Maringá, PR, Brazil

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