Gabriel Welzel

Gabriel Welzel

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Software Engineer | Python, React, Next JS, Typescript, AI Agents
Curitiba, State of Paraná, Brazil

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Jobs verified_user 0% verified
  • Greenlight
    Software Engineer
    Greenlight
    Jun 2026 - Current (4 months)
  • mdf commerce
    Senior Frontend Engineer
    mdf commerce
    Mar 2024 - Current (2 years 7 months)
  • SOVRA
    Senior Frontend Engineer
    SOVRA
    Mar 2024 - Jul 2026 (2 years 5 months)
    - Building MDF UI, a central Angular 18 component library for use across multiple products. I turn initial design proposals into implementation-ready specs, collaborate closely with the UI team, and develop reusable components with consistency, performance, and clarity in mind.

    - Modernized a 20+ year-old legacy system, applying current front-end practices and
    anticipating both UX improvements and data-handling considerations based on experience across
    diverse products.

    - Used AI workflow Cursor (Agents, Sub-agents, Skills and MCP) to fix hundreds of WCAG issues in a legacy application in a few weeks while a specialized team estimated the work would take 9-12 months.
  • metadataio
    Senior Front-end Engineer
    metadataio
    Apr 2022 - Mar 2024 (2 years)
    - Lead the FE development of Optimizer and Reports teams.
    - Collaborated on Sprint Grooming by scoping tasks helping PO setting goals.
    - Frequent communication with the BE team as to design the best integrations between FE and BE, that also included reviewing tech design documents.
    - Conduct hiring process and resulted in two successful engineers hire.
  • LAMA
    React | React Native Frontend Engineer
    LAMA
    Oct 2021 - Apr 2022 (7 months)
    - Polishing side projects in React.js by fixing bugs and refactoring existing features.
    - Supported the development of Lama App in React Native using Typescript.
  • Jobsity
    Frontend Engineer
    Jobsity
    Feb 2021 - Nov 2021 (10 months)
  • Jobsity
    Frontend Egineer
    Jobsity
    Feb 2021 - Nov 2021 (10 months)
  • SAVVI AI
    Frontend Engineer
    SAVVI AI
    Feb 2021 - Oct 2021 (9 months)
    - Introduced atomic pattern design
    - Taught and implemented Redux in the project
    - Developed complex components such as a conditional field with criterias and different
    field sets.
    - Contributed to the team by sharing my view on various matters as we were developing the product.
  • movE  Eletromobilidade
    React | React Native Frontend Engineer
    movE Eletromobilidade
    Jun 2020 - Feb 2021 (9 months)
    - Developed a dashboard with charts using real time data by web sockets with React
    - Managed the front-end components to ensure a great user experience, aiming at
    performance and ease of use
    - Developed a React Pagination System Component to improve UX and loading speeds
    - Contributed concepts for a redesigned app, improving usability and offering
    suggestions to the user based on previous actions
    - Supported the mobile app with new features and bug fixes
    - Solved different sorts of bugs with clean and reusable code using the latest features of
    JavaScript with React
    - Advocated for coding best practices and established a code review process through
    GitHub
    - Worked alongside a cross funct
  • Conpass
    Frontend Web Developer
    Conpass
    Mar 2020 - Jun 2020 (4 months)
    - Worked in a team to develop solutions in order to improve the user experience. Initially I discussed the quantity of fetches being done at every page, sometimes requesting for data already available. That was giving at least two problems: 1. High server cost. 2. Slow page loads and computer slow downs. I refactored a few pages playing with the redux to prevent the multiple requests issue.
    - Developed React components. The app had no pagination and there were at least 9 different pages, and potentially there would be more in the future. I developed a pagination component receiving props for limit of content to be fetched, redux fetch action, own params to be passed for the action, and a callback that would be executed right after the
  • SemiGlobe Tecnologia
    Software Developer
    SemiGlobe Tecnologia
    Dec 2018 - Jan 2020 (1 year 2 months)
    - Developed and implemented highly-responsive user interface components using React
    - Improved front-end performance by analyzing feedback from data provided by
    end-users, architects, and tech leads, to improve customer satisfaction
    - Maintained servers communicating with over 3,000 devices through the protocols
    TR-69 and TR-143
    - Worked on the development of a web page from inception, using JavaScript and
    React, to present the company's main product
    - Improved user interfaces to create an easy navigation system that reduced the use of
    clicks
    - Mentored new team members as part of their onboarding process
    - Talked directly with clients at their offices, to explain the system and collect feed
Education verified_user 0% verified
  • freeCodeCamp
    Javascript, Information Technology
    freeCodeCamp
    Jan 2018 - Dec 2020 (3 years)
Projects (professional or personal) verified_user 0% verified
  • A
    Algorithms
    Aug 2018
    Wanna see how devs solved problems before AI era?