Jonathan Cardoso

Experience

Professional experience

In reverse chronological order, with emphasis on the current role. Details appear here only when they can be shared publicly.

  1. Getrak

    Current getrak.com.br (Getrak)
    • Software Engineer Mar 2024 – Present

    Took part in the architectural restructuring of a real-time vehicle tracking platform that had scalability and system-design limits.

    What I did

    • Restructuring into microservices with Node.js, a Java API gateway and React.js micro frontends.
    • Optimized REST APIs to reduce response time and improve stability under high concurrency.
    • Integration services with external systems, including banking systems, payment gateways and third-party APIs.
    • Interactive dashboards built together with designers.
    • Supported infrastructure improvements with Docker, CI/CD pipelines and AWS.

    Impact

    • Better API response time and overall stability
    • Better user experience with intuitive dashboards and reports
    • Increased scalability for a growing number of concurrent users
    • Node.js
    • Java
    • React
    • Micro Frontends
    • REST
    • Docker
    • CI/CD
    • AWS
    View case study : Getrak

  2. SolarMarket Brasil

    2 years 10 months

    • Full Stack Developer Jan 2022 – Mar 2024
    • Frontend Web Developer Jun 2021 – Jan 2022

    Built and scaled a data-intensive platform handling large volumes of financial and user data in real time.

    What I did

    • Scalable APIs with NestJS and GraphQL, plus MongoDB.
    • AWS Lambda crawlers to automate the collection of financial and user data.
    • Frontend performance and usability improvements with Vue.js.
    • Integration of financial data providers and automated data-processing workflows.

    Impact

    • Scaled to support 5,000+ concurrent users
    • Automated financial integrations, reducing processing time and manual errors
    • Improved performance, reliability and data consistency
    • NestJS
    • GraphQL
    • MongoDB
    • AWS Lambda
    • Vue.js
    View case study : SolarMarket Brasil

  3. IFRN

    Natal and region

    • Full Stack Developer Mar 2021 – Mar 2022

    A graduation plaque system for campus students, built with Django (frontend and backend), with optimization, security and responsiveness per scope.

    • Django
    View case study : IFRN

  4. Incubatech

    Natal, Brazil

    • Full Stack Developer Feb 2019 – Jun 2021

    Web systems and landing pages with Django, React and WordPress.

    What I did

    • Identified performance and scalability limits and migrated Django applications from Heroku to DigitalOcean.
    • UX/UI improvements with Django templates, together with designers.
    • Integrated payments for subscription plans through the Hotmart API.
    • Worked with stakeholders on requirements and prioritisation.

    Impact

    • Page loads about 40% faster
    • 10% more user adoption after performance and UX improvements
    • Monetization enabled through subscription plans and payment integrations
    • Django
    • React
    • WordPress
    • Hotmart API
    • DigitalOcean
    View case study : Incubatech

  5. Mobister

    4 months

    • Web Developer Jr Jan 2018 – Apr 2018

    Lead-capture websites for companies in many segments, with development, maintenance and client relationship to analyse and filter demands.

    • WordPress
    • Bootstrap
    • AWS
    • JavaScript
    • SASS
    • Photoshop
    View case study : Mobister

  6. IFRN

    Natal and region

    11 months

    • Web Development Mar 2017 – Jan 2018

    Web development at IFRN.

Education

Academic background at IFRN.

  • Degree in Systems Analysis and Development (TADS)

    IFRN · 2018 – 2022

  • Technician in Internet Computing

    IFRN · 2014 – 2017

Certifications

  • Aprenda NextJS, GraphQL/GraphCMS e Leaflet na prática!

  • Curso de Inglês para Tecnologia da Informação

Languages

  • Portuguese

    Native

  • English

    Professional working proficiency (B1/B2)

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