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Work Experience

Architecture, frontend, backend, AI, and DevOps — real-world notes from a Full Stack Web Developer & AI Engineer

Micro1

AI Trainer

Remote

Part-time
Jun 2026 – Aug 2026
  • Applying subject matter expertise to support AI training pipelines.

  • Supporting the development of advanced AI systems by contributing expert feedback and domain-specific evaluation of model responses.

BairesDev

Full Stack Engineer

United States (remote)

Full-time
Jan 2026 – Jun 2026
  • Engineered automated AI checkout systems using GraphQL federation for major telecom partners, processing over 1,000 daily transactions.

  • Contributed to a reusable AI agent skills repository that standardized workflow automations across multiple client integrations, reducing new project onboarding time by 40%.

  • Engineered end-to-end API integration workflows connecting third-party systems with internal orchestration layers, enabling automated agent workflows to integrate with multiple connections.

  • Architected subgraph solutions, overseeing the full lifecycle from API analysis to CI/infrastructure setup.

  • Enhanced system observability by implementing New Relic flow-tracking instrumentation for reliable operations.

BairesDev

Full Stack Engineer

United States (remote)

Full-time
Jan 2025 – Sep 2025
  • Implemented reusable React interactive forms covering US regulations for Veterans, significantly reducing time spent on digital paperwork.

  • Improved Core Web Vitals and React performance through advanced optimization techniques.

  • Ensured a11y and WCAG 2.1 AA compliance with mobile-first design patterns.

  • Established robust testing strategies with Jest and Playwright, reducing regression bugs by 35%.

Present Technologies

Full Stack Engineer

Portugal (remote)

Full-time
Jan 2023 – Apr 2024
  • Architected scalable front-end interfaces for Farfetch's global e-commerce platform, improving SEO and page load performance by 25%.

  • Led the complete application rebuild of Liminal Link and contributed to LinkGPT, an AI-powered digital market assistant.

  • Implemented automated testing and performance monitoring tools, significantly reducing memory leaks.

DBC Company

Senior Frontend Developer

Brazil

Full-time
Aug 2021 – Sep 2022
  • Designed front-end application architecture from scratch, influencing product decisions and supporting backend tasks.

  • Built Chart.js dashboards that reduced data analysis time by 40% through modern chart types and data export methods.

  • Developed responsive applications in React.js with reusable component libraries.

Gofind

Senior Frontend Developer

Brazil

Full-time
Jul 2020 – Aug 2021
  • Architected a product/store management platform and a geolocation-based product discovery app.

  • Reduced deployment downtime by 50% through GitLab CI/CD integration and automated testing.

  • Optimized performance using Clean Architecture, Context API, and Zod form validation.

SoftExpert

Senior Frontend Developer

Brazil

Full-time
Jun 2019 – Jul 2020
  • Engineered a scalable enterprise ERP system with React.js, Redux, and Material-UI.

  • Developed core framework components in TypeScript with Formik, ensuring standardized UI/UX patterns.

  • Integrated RESTful APIs in collaboration with backend teams, improving API response time by 20%.

TOTVS

R&D Engineer → QA Technician → Intern

Joinville, Brazil

Full-time
Jun 2016 – Jun 2019
  • Maintained and evolved core ERP product functionalities across front-end, back-end, and DevOps.

  • Led internal Protractor e2e training, improving code quality and reducing production bugs.

  • Integrated testing into CI/CD pipelines using Jenkins; monitored static analysis with SonarQube.

  • Developed internal frameworks for web application development, enhancing delivery velocity.

Education

Pontifícia Universidade Católica do Paraná

Postgraduate — Software Architecture, Data Science & Cybersecurity

Apr 2025 – Apr 2026

UNINTER Centro Universitário Internacional

Associate's — Systems Analysis and Development

Jan 2018 – Dec 2021
25 GitHub repos