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Giolvani de Matos

Giolvani de Matos

Frontend Developer | JavaScript | TypeScript | React | PHP | Noje.js | Python | AWS | Docker | CI/CD

Brazil, Foz do Iguaçu, BR
+55 45 999197662
English, Spanish

Background


About

About

I’m a Fullstack & DevOps Engineer with 15+ years crafting secure, scalable, and pixel-perfect digital experiences. From architecting Laravel-powered APIs with Keycloak OAuth to building blazing-fast Next.js front-ends and orchestrating containerized microservices (Kafka, Redis) on AWS, I ensure performance, observability, and rock-solid security at every layer. Always learning, iterating, and pushing the boundaries of what modern web apps can do.

Work Experience

Work Experience

  • Technical Lead, Homeroque.

    Oct, 2023 - Apr, 20246 months

    Achievements:

    • Led a technical outsourced team transition, increasing project delivery efficiency by fully managing the system, website, and API integrations.
    • Developed a matching algorithm that cut operation time from 30 minutes to 5 seconds, using advanced data analytics, significantly enhancing system responsiveness.
    • Revised the management platform, boosting operational efficiency by over 90% and user satisfaction by 50% through continuous improvements and feedback.
    • Improved system stability and performance by 20% with optimizations like database tuning, task automation, and server configuration.

    Context:
    As Technical Lead at Homeroque, I led the development and maintenance of a real estate matching platform, managing technical operations across all stages and teams.

    Technologies:

    • PHP (Laravel)
    • JavaScript (React/Next.js)
    • MySQL / Redis
    • AWS EC2
    • AWS Amplify
    • Git
    • GitHub Actions (CI/CD)
    • Apache / Nginx

    Activities:

    • Directed a comprehensive rewrite and optimization of our platform to meet evolving business needs.
    • Authored a proprietary algorithm and scripts for real-time property data integration, enhancing platform effectiveness.
    • Managed application infrastructure for high availability and performance.
    • Led project management, incorporating tools like Slack and Trello to improve team communication and workflow.
  • Senior Frontend Developer, Pipefy

    Feb, 2020 - Apr, 20233 years 2 months

    Achievements:

    • Create a public module to user get information about their processes
    • Migrate a bunch of modules from Javascript to Typescript

    Context:
    One of the main goals of the company is refactoring a legacy code to improve the system performance, therefor me and my team are in charge of refining and prioritizing the tasks to target success.

    Technologies:

    • React / Redux.js
    • Next.js
    • Javascript / Typescript
    • Apollo GraphQL
    • Node.js
    • Unit Testing / Jest

    Activities:

    • Maintaining and creating new features
    • Improve the system performance
  • Frontend Developer, Pipefy

    Sep, 2021 - Dec, 20213 months

    Technologies:

    • React / Redux.js
    • Next.js
    • Javascript / Typescript
    • Apollo GraphQL
    • Node.js
    • Unit Testing / Jest
  • Frontend Developer, Impulso

    Aug, 2019 - Feb, 20205 months

    Achievements:

    • Create a new frontend system platform from zero
    • Connect to API
    • Improve speed performance in 10x

    Context:
    The company was using a system an internal system that was created without any best practice and with a huge lack of performance, therefore I was in charge of creating a new frontend system and connecting to a new API.

    Technologies:

    • React
    • Javascript / Typescript
    • Apollo GraphQL
    • Python

    Activities:

    • Create a user interface
    • Improve the system performance
  • Frontend Web Developer, RPSmart Sistemas

    Jan, 2018 - Aug, 20191 year 7 months

    Achievements:

    • Created a system platform to integrate other systems
    • Create a dashboard for the main system
    • Create a chat to the main system

    Context:
    The main challenge was to use an approach to users get a better experience, therefor I was in charge of creating new features with UX as the main target.

    Technologies:

    • C# .NET
    • SignalR
    • VueJs
    • jQuery
    • SQL Server

    Activities:

    • Create a user interface
    • Improve the system performance
    • Helping team members
  • Web Software Developer, Contabit Desenvolvimento de Software

    Jun, 2017 - Jan, 20187 months

    Achievements:

    • Improved the load time
    • Decreased from more than an hour to minutes the time to create a client instance

    Context:
    In the SaaS accounting system, I was in charge of creating new features and applying the best practices to guarantee the best user experience.

    Technologies:

    • C# .NET
    • VueJs
    • jQuery
    • SQL Server

    Activities:

    • Create a user interface
    • Improve the system efficiency
    • Helping team members
  • Software Engineer, Laminapp

    Oct, 2014 - Jun, 20172 years 8 months

    Achievements:

    • Created an entire solution for the B2B platform.
    • Get over a thousand subscriptions in the first week of launch.

    Context:
    As a founder, I was in charge of the technology department. The challenge was to create an entire solution, including the backend, frontend, infrastructure, and servers to attend the B2B platform.

    Technologies:

    • PHP / Laravel
    • Javascript / VueJs
    • Mysql
    • MongoDB
    • Redis
    • Ubuntu Server
    • Mailgun

    Activities:

    • Create user interface
    • Create API
    • Maitaing all infrastructure
  • Interface Developer, Soft-TI Informática

    Sep, 2014 - Mar, 20156 months

    Achievements:

    • Build a new system platform from zero

    Context:
    The challenge was to deliver a system for an international client so I was in charge of architecting and developing a user interface from zero and connecting to the API.

    Technologies:

    • MVC .NET
    • C#
    • Javascript
    • Angular

    Activities:

    • Create interface components
    • Connect feature to API resources
    • Training team members
  • Developer analyst, rp4it

    Jun, 2012 - Jan, 20152 years 7 months

    Achievements:

    • Build a new system platform from zero

    Context:
    RP4IT was a startup with a bootstrap investment that was creating its first system management therefore I was in charge of architecting and developing a user interface from zero and connecting to the API.

    Technologies:

    • Asp.NET
    • MVC .NET
    • C#
    • Javascript
    • jQuery
    • SQL Server

    Activities:

    • Create interface components
    • Connect feature to API resources
  • Developer Analyst, Lexsom

    May, 2010 - Aug, 20133 years 3 months

    Achievements:

    • Maintaining a legacy system
    • Helped with user acquisition through the UX
    • Created a new user interface from zero

    Context:
    Working in a government manager system I was in charge of maintaining some common features besides improving the User Interface/Experience. Some database improvements were necessary to decrease the time of routine tasks.

    Technologies:

    • Asp.NET
    • MVC .NET
    • C#
    • Visual Basic .NET
    • WebForms
    • Javascript
    • jQuery
    • SQL Server

    Activities:

    • Improve already built features
    • Improve daily routines
    • Create interface components
  • Instructor, UDC - União Dinâmica de Faculdades Cataratas

    Jun, 2010 - Jul, 20101 month

    Teaching PHP 5 development system course.

  • Developer Analyst, WebTI Solutions

    Jan, 2009 - May, 20101 year 4 months

    Context:
    As a self-employer, I was in charge to attend a short demand to develop customized systems.

    Technologies:

    • PHP / Zend Framework
    • Javascript / jQuery
    • Flex
    • PostgreSQL
    • MySQL

    Activities:

    • Architect systems
    • Improve open sources
    • Build and test applications
  • Web Developer, DPSL Sistemas

    Dec, 2007 - Dec, 20081 year

    Achievements:

    • Improved the user experience within a hotspot system

    Context:
    To have access to the internet, the clients have to connect to a custom network and access the hotspot system with some personal data. The main challenge was to create new features for the open-source project.

    Technologies:

    • PHP
    • Javascript
    • MySQL

    Activities:

    • Rewrite some routines
    • Implement data verification
    • Improve user experience
Projects Experience

Projects Experience

  • Pizza Hut

    Oct, 2013 - Present

    Desenvolvimento e reestruturação do website responsivo para a empresa, utilizando a biblioteca Bootstrap 3 e com a linguagem PHP.

  • Impactia

    Aug, 2011 - Aug, 20111 day

    Website development with Joomla.

  • News portal - Click Foz do Iguaçu

    Dec, 2008 - Dec, 20081 day

    CMS development for news portal.

  • Pizza Hut Delivery System

    May, 2014 - Oct, 20145 months

    Delivery system development.

  • Naveshop

    Aug, 2012 - Nov, 20123 months

    Integration between Magento and ERP using MAGMI tool.

Skills

Skills

  • Technology Management
  • Leadership Development
  • Amazon EC2
  • AWS Amplify
  • MongoDB
  • TypeScript
  • Laravel
  • HTML
  • Vuejs
  • PHP
  • MVC
  • Entrepreneurship
  • React
  • JavaScript
  • Jest
  • Front-end Development
  • Github actions
  • Zend Framework
  • MySQL
  • React.js
  • Continuous Integration and Continuous Delivery (CI/CD)
  • Software Development
  • HTML 5
  • WordPress
  • Startups
  • Twitter Bootstrap
  • Redux.js
  • C#
  • User Interface Design
  • GraphQL
  • Microsoft .NET
  • Git
  • Product Development
  • React Native
  • Next.js
  • Microsoft SQL Server
  • HTML5
  • Unit Testing
  • Web Development
  • Node.js
  • JSON
  • jQuery
  • AngularJS
  • Apollo GraphQL
  • AngularJs
  • PostgreSQL
  • .NET Framework
  • ASP.NET MVC
  • CSS3
  • CSS
Education

Education

  • Information Technology, Bachelor's degree, União Dinâmica de Faculdades Cataratas

    Dec, 2006 - Dec, 2011

  • Tecnologia em Tecnologia da Informação/Sistemas da Informação, Bacharelado, Instituto Federal do Paraná - IFPR (Curitiba)

    Feb, 2024 - Present

Certificates
Volunteer Work

Volunteer Work

  • Mentor, Startup Weekend Cascavel Agro

    Mar, 2016 - Mar, 2016

    Mentoring in MVP building and prototyping.

  • Organization, Startup Weekend Trinacional

    May, 2016 - May, 2016

  • Organizer, Iguassu Startups

    Jun, 2016 - Jun, 2016

    Organization of hackathon with tourism theme

References

References

  • Luís Poletti

    Trabalhamos juntos em alguns projetos, dentre eles nossas startups: Laminapp e NewCheck-in. O que aprendemos na primeira, melhoramos na segunda.

    O Gio tem a capacidade de adaptar o design para uma aplicação com aparente facilidade. É comprometido com a entrega, mas tem que se comprometer com ele também. Vai chamar ele pro teu time? Demonstre seu interesse e terá um grande parceiro para o desenvolvimento de seus projetos.

  • Diogo Oliveira

    Giolvani is a very professional in his activities and is always looking building good and well-tested software.