Front End Developer

Senior Frontend Engineer

Senior Frontend Engineer with 10+ years of experience building scalable React and TypeScript applications for US and international companies. Led team of 3+ engineers at PartsTrader, establishing component library standards that improved development velocity across the platform. Combines deep technical expertise in performance optimization and accessibility with proven remote collaboration across time zones. Lived and worked in New Zealand for 3 years, demonstrating cross cultural adaptability.


Experience: 10 years

Yearly salary: $90,000

Hourly rate: $50

Nationality: 🇧🇷 Brazil

Residency: 🇧🇷 Brazil


Experience

Senior Software Engineer
OPTIMATION GROUP
2021 - 2021
Built Angular-based enterprise applications for New Zealand clients, collaborating with backend teams on C# APIs and delivering high volume data ingestion features across 3 different projects. Contributed to frontend architecture decisions and code reviews, maintaining code quality standards across distributed development team.
Senior Software Developer
PARTSTRADER LLC
2021 - 2025
Led team of three frontend engineers building React/TypeScript component library adopted by four product teams, reducing UI development time by 40%. Established frontend architecture standards across five teams, reducing code review cycles and bug reports by around 20%. Improved page load times by 34% and reduced bundle size by 60% through React optimization and code splitting. Mentored a team of 3+ engineers through 200+ annual code reviews, ensuring 100% adherence to architectural standards and reducing post-release defects by 15%. Incorporated WCAG 2.1 AA accessibility standards into core UI components, improving overall user experience.
Senior Full Stack Developer
THANKYOU PAYROLL
2019 - 2021
Architected the migration of legacy PHP features to a React/TypeScript stack, reducing technical debt and improving developer onboarding time by around 30%. Increased frontend test coverage from 0 to 88% through Jest and integration testing.
Senior Frontend Developer
KIWI WEALTH
2019 - 2019
Built around 40 new and reusable React components for wealth management platform serving hundreds users. Improved accessibility score to 70% WCAG compliance, reducing user workflow completion time by 24%.
Senior Frontend Developer
SHUTTLEROCK
2018 - 2019
Led the migration of legacy Rails views to a decoupled React frontend, increasing developer velocity by 42% as measured by sprint story point completion.
Senior User Interface Engineer
Heyday Digital
2016 - 2018
Developed animated, interactive interfaces for New Zealand digital agency clients using React, Webpack, and CSS animations, translating design concepts into production-ready code. Built and maintained 8 client websites and web applications, collaborating with designers and backend teams to deliver polished user experiences.

Skills

css
nextjs
node
react
typescript
front-end
english
portuguese
spanish