ClaimAngel•Frontend Engineer (Lead)•United States | Jun 2023 – Feb 2026 (2 years 9 months)
Migrated the legacy React-Kotlin platform to Next.js single-handedly with **0 downtime**, later leading the frontend team as additional developers joined to maintain the projects
Tech: React, Next.js, Kotlin, TypeScript, JavaScript, HTML, CSS, Webpack, GitHub Copilot, Claude Code, Playwright
ClaimAngel•Frontend Engineer (Lead)•United States | Jun 2023 – Feb 2026 (2 years 9 months)
Maintained and upgraded the platform serving **18,000+ fundings**, ensuring optimal performance and reliability
Tech: React, Next.js, Kotlin, TypeScript, JavaScript, HTML, CSS, Webpack, GitHub Copilot, Claude Code, Playwright
ClaimAngel•Frontend Engineer (Lead)•United States | Jun 2023 – Feb 2026 (2 years 9 months)
Developed portals for **5+ stakeholder groups**, streamlining operations and reducing navigation friction for admins
Tech: React, Next.js, Kotlin, TypeScript, JavaScript, HTML, CSS, Webpack, GitHub Copilot, Claude Code, Playwright
ClaimAngel•Frontend Engineer (Lead)•United States | Jun 2023 – Feb 2026 (2 years 9 months)
Implemented an AI chat experience that consolidated admin workflows into a single conversation, eliminating page-hopping for common tasks and cutting task completion steps
Tech: React, Next.js, Kotlin, TypeScript, JavaScript, HTML, CSS, Webpack, GitHub Copilot, Claude Code, Playwright
ClaimAngel•Frontend Engineer (Lead)•United States | Jun 2023 – Feb 2026 (2 years 9 months)
Configured Claude Code skills/MCPs plus Playwright end-to-end suites to prevent regressions, and configured Webpack build pipelines leveraging AI assistants (GitHub Copilot, Claude Code) to improve developer velocity and bundle quality
Tech: React, Next.js, Kotlin, TypeScript, JavaScript, HTML, CSS, Webpack, GitHub Copilot, Claude Code, Playwright
Rising Orchards, LLC (IgorBox)•Frontend Engineer•United States | Jun 2023 – Jan 2026 (2 years 8 months)
Built IgorBox as a Progressive Web App (PWA) with a **60fps** video editor-like interface featuring audio playback and multiple layers for animatronic show creation
Tech: React, WebSockets, TypeScript, JavaScript, HTML, CSS, PWA, Webpack
Rising Orchards, LLC (IgorBox)•Frontend Engineer•United States | Jun 2023 – Jan 2026 (2 years 8 months)
Implemented two-way live preview via websockets with **minimal delay** (<100ms), enabling real-time updates on physical devices
Tech: React, WebSockets, TypeScript, JavaScript, HTML, CSS, PWA, Webpack
Rising Orchards, LLC (IgorBox)•Frontend Engineer•United States | Jun 2023 – Jan 2026 (2 years 8 months)
Created an innovative solution eliminating manual show uploads—IgorBox offers live preview, live updates, and OTA updates via internet, reducing deployment time and manual effort
Tech: React, WebSockets, TypeScript, JavaScript, HTML, CSS, PWA, Webpack
Rising Orchards, LLC (IgorBox)•Frontend Engineer•United States | Jun 2023 – Jan 2026 (2 years 8 months)
Designed an n8n-like visual interface with logical gates and triggers, enabling faster animator iteration on automated animations
Tech: React, WebSockets, TypeScript, JavaScript, HTML, CSS, PWA, Webpack
Rising Orchards, LLC (IgorBox)•Frontend Engineer•United States | Jun 2023 – Jan 2026 (2 years 8 months)
Developed debugging tools that accelerated development and facilitated real-time state monitoring across distributed devices
Tech: React, WebSockets, TypeScript, JavaScript, HTML, CSS, PWA, Webpack
Yahoo!•Frontend Engineer•New York, United States (Contract) | Jan 2023 – Jun 2023 (6 months)
Optimized web performance for a high-traffic React Single Page Application by reducing bundle size by **88.5%** and load time by **91.1%**
Tech: React, Redux, TypeScript, JavaScript, HTML, CSS, Alt.js, Webpack, Sass
Yahoo!•Frontend Engineer•New York, United States (Contract) | Jan 2023 – Jun 2023 (6 months)
Improved Time to Interactive by **67.4%**, resulting in a significantly faster and more efficient user experience
Tech: React, Redux, TypeScript, JavaScript, HTML, CSS, Alt.js, Webpack, Sass
Yahoo!•Frontend Engineer•New York, United States (Contract) | Jan 2023 – Jun 2023 (6 months)
Migrated state management from Alt.js to Redux across **50+ components**, resulting in improved performance and a streamlined codebase
Tech: React, Redux, TypeScript, JavaScript, HTML, CSS, Alt.js, Webpack, Sass
Yahoo!•Frontend Engineer•New York, United States (Contract) | Jan 2023 – Jun 2023 (6 months)
Contributed to migrations from JavaScript to TypeScript covering **20,000+ lines of code**, improving code maintainability and team collaboration
Tech: React, Redux, TypeScript, JavaScript, HTML, CSS, Alt.js, Webpack, Sass
Yahoo!•Frontend Engineer•New York, United States (Contract) | Jan 2023 – Jun 2023 (6 months)
Configured Webpack for optimal code splitting and lazy loading, improving initial load performance by **60%**
Tech: React, Redux, TypeScript, JavaScript, HTML, CSS, Alt.js, Webpack, Sass
Spin (Ford Motor Company)•Frontend Web Developer•Los Angeles, California (Contract) | May 2022 – Oct 2022 (6 months)
Developed the redesign of an internal fleet management tool handling **15,000+ electric scooters**, creating a more user-friendly interface with reusable components
Tech: React, Ruby on Rails, TypeScript, JavaScript, HTML, CSS, Mapbox GL, Webpack
Spin (Ford Motor Company)•Frontend Web Developer•Los Angeles, California (Contract) | May 2022 – Oct 2022 (6 months)
Built a clustering algorithm that filters **1,000+ daily pings** within **10 meters** proximity, enabling accurate speed estimation for each vehicle
Tech: React, Ruby on Rails, TypeScript, JavaScript, HTML, CSS, Mapbox GL, Webpack
Spin (Ford Motor Company)•Frontend Web Developer•Los Angeles, California (Contract) | May 2022 – Oct 2022 (6 months)
Created trip visualization with timeline playback for **1,000,000+ rides per month**, allowing admins to see the exact paths users took on an interactive map
Tech: React, Ruby on Rails, TypeScript, JavaScript, HTML, CSS, Mapbox GL, Webpack
Spin (Ford Motor Company)•Frontend Web Developer•Los Angeles, California (Contract) | May 2022 – Oct 2022 (6 months)
Recreated a legacy navigation menu using HAML, reducing menu render time by **40%** and improving responsiveness across devices
Tech: React, Ruby on Rails, TypeScript, JavaScript, HTML, CSS, Mapbox GL, Webpack
CWI Software (GPA / Pão de Açúcar)•Frontend Developer•Remote | Jan 2022 – May 2022 (5 months)
Migrated a high-traffic Single Page Application from React Router to Next.js for Brazil's largest retail chain with **1.5 million visits per month**, improving SEO rankings by **25%**
Tech: React, Next.js, React Native, Redux, Recoil, JavaScript, HTML, CSS, Webpack
CWI Software (GPA / Pão de Açúcar)•Frontend Developer•Remote | Jan 2022 – May 2022 (5 months)
Improved application performance by migrating global state management from Recoil to Redux across **30+ components**
Tech: React, Next.js, React Native, Redux, Recoil, JavaScript, HTML, CSS, Webpack
CWI Software (GPA / Pão de Açúcar)•Frontend Developer•Remote | Jan 2022 – May 2022 (5 months)
Refactored authentication between React Native WebView and React application, stabilizing intermittent token retrieval issues and reducing login failures by ~50%
Tech: React, Next.js, React Native, Redux, Recoil, JavaScript, HTML, CSS, Webpack
CWI Software (GPA / Pão de Açúcar)•Frontend Developer•Remote | Jan 2022 – May 2022 (5 months)
Configured Webpack build optimization, improving build times and reducing production bundle size by **25%**
Tech: React, Next.js, React Native, Redux, Recoil, JavaScript, HTML, CSS, Webpack
Gazin Tech•Full-stack Developer•Maringá, Paraná, Brazil | Nov 2020 – Dec 2021 (1 year 2 months)
Resolved a critical Google Search Console issue within deadline, preventing removal from Google Search results and protecting approximately **$1.16 billion USD** in annual revenue
Tech: Next.js, React Native, NestJS, Strapi, PostgreSQL, JavaScript, HTML, CSS, Webpack
Gazin Tech•Full-stack Developer•Maringá, Paraná, Brazil | Nov 2020 – Dec 2021 (1 year 2 months)
Built a modular CMS-driven institutional website using Next.js and Strapi, enabling **10+ non-technical stakeholders** to manage content independently
Tech: Next.js, React Native, NestJS, Strapi, PostgreSQL, JavaScript, HTML, CSS, Webpack
Gazin Tech•Full-stack Developer•Maringá, Paraná, Brazil | Nov 2020 – Dec 2021 (1 year 2 months)
Created an automated CI/CD pipeline with code analysis and alerts, adding guardrails that reduced regressions and increased release confidence
Tech: Next.js, React Native, NestJS, Strapi, PostgreSQL, JavaScript, HTML, CSS, Webpack
Gazin Tech•Full-stack Developer•Maringá, Paraná, Brazil | Nov 2020 – Dec 2021 (1 year 2 months)
Conducted thorough code reviews for team members, providing insights to maintain high code quality and best practices
Tech: Next.js, React Native, NestJS, Strapi, PostgreSQL, JavaScript, HTML, CSS, Webpack
Gazin Tech•Full-stack Developer•Maringá, Paraná, Brazil | Nov 2020 – Dec 2021 (1 year 2 months)
Identified and reported multiple security issues that were later fixed, improving application security posture
Tech: Next.js, React Native, NestJS, Strapi, PostgreSQL, JavaScript, HTML, CSS, Webpack
Smarppy•Full-stack Developer•Campo Mourão, Brazil | Nov 2018 – Oct 2020 (2 years)
Built **5+ Single Page Applications** and cross-platform mobile apps for diverse clients, including task management systems with timezone-based notifications
Tech: React, React Native, Node.js, MySQL, RethinkDB, JavaScript, HTML, CSS, Webpack, Google Maps API
Smarppy•Full-stack Developer•Campo Mourão, Brazil | Nov 2018 – Oct 2020 (2 years)
Developed internal tools for task and resource tracking using React, improving team responsiveness to work queues and review requests
Tech: React, React Native, Node.js, MySQL, RethinkDB, JavaScript, HTML, CSS, Webpack, Google Maps API
Smarppy•Full-stack Developer•Campo Mourão, Brazil | Nov 2018 – Oct 2020 (2 years)
Created a church mobile app with React Native managing **500+ monthly events**, and built a smart bakery order picking application
Tech: React, React Native, Node.js, MySQL, RethinkDB, JavaScript, HTML, CSS, Webpack, Google Maps API
Smarppy•Full-stack Developer•Campo Mourão, Brazil | Nov 2018 – Oct 2020 (2 years)
Integrated Google Maps API to calculate rural land taxes (soil, corn, beans) based on soil type and regulations for a tax calculation product
Tech: React, React Native, Node.js, MySQL, RethinkDB, JavaScript, HTML, CSS, Webpack, Google Maps API
Smarppy•Full-stack Developer•Campo Mourão, Brazil | Nov 2018 – Oct 2020 (2 years)
Built a Discord bot tracking merge requests and review status, improving visibility and prompting timely reviews
Tech: React, React Native, Node.js, MySQL, RethinkDB, JavaScript, HTML, CSS, Webpack, Google Maps API