Years of experience: 6
Computer engineerEngineer
Trust Score
Exceptionally trusted; proven professional excellence.
Ronaldo's Career Path
Feb. 2022 -Mar. 2026
PapayaSoftware Developer
United States, Los Angeles- Developed and maintained full-stack features using React, Java, Node js, and
MongoDB in a startup environment supporting 20k+ users daily;
- Collaborated closely with product and data teams to analyze A/B test results,
contributing to improvements in user experience and conversion rates;
- Helped on creating reusable components via Storybook, maintaining a Design
System across all web flows...
May. 2021 -Feb. 2022
ThoughtworksSoftware Consultant
Brazil, São Paulo- Contributed to the development of a new digital platform replacing legacy
systems, improving maintainability and scalability, using Next.js to manage the UI
and Backend code;
- Worked in a cross-functional Agile team (18 members), delivering features in
iterative sprints;
- Improved website accessibility by optimizing screen reader compatibility (e.g., Voiceover) and ensuring WCAG-compliant...
May. 2019 -May. 2021
ACCT | Consulting & TechnologyFull Stack Developer
Brazil, Atibaia- Led a team of 10 developers to migrate Tok&Stok's e-commerce platform to a
more modern stack, resulting in a 20% improvement in page load speeds;
- Acted as a client-facing engineer, maintaining direct communication with
stakeholders;
- Built scalable applications using React, Node.js, and GraphQL;
- Contributed to major projects for clients including Carrefour, Unilever, AB
InBev, and Whir...