Lead Frontend Developer | Senior Frontend Engineer
Senior Frontend Engineer with 5+ years of experience specializing in building scalable web applications and developer tools. Proven track record in transforming complex technical requirements into intuitive user interfaces. Expert in creating reusable component libraries and implementing design systems at scale. Strong focus on delivering product-centric solutions that balance technical excellence with business objectives.
Professional Experience
Lead Frontend Developer at Planetary
2022/01 – present | Remote
- Led frontend development for a technology-agnostic product studio, transitioning client solutions from custom implementations to scalable, reusable products.
- Architected and implemented modular component libraries that reduced development time by 40% across multiple client projects
- Led the technical strategy for transitioning service-based solutions into scalable products for clients including Amazon and Google
- Established frontend development standards and best practices, improving code quality and reducing QA cycles by 30%
- Mentored team of 5 frontend developers, conducting regular code reviews and technical guidance sessions
- Collaborated with cross-functional teams to translate complex business requirements into intuitive user interfaces
Frontend Developer at Timescale
2021/07 – 2022/01 | Remote
- Developed frontend solutions for an open-source time-series database company, focusing on developer tools and documentation.
- Built and maintained a comprehensive component library used across marketing websites and documentation
- Collaborated with designers to create an intuitive documentation portal for technical users
- Implemented responsive design patterns and optimization techniques, improving mobile performance by 25%
- Worked closely with technical writers to create interactive code examples and API documentation
Fullstack Developer at Seguro Viagem
2021/01 – 2021/06 | Remote
- Led frontend development for a travel insurance platform, focusing on customer-facing applications.
- Developed React.js frontend integrated with REST APIs, serving thousands of daily users
- Led migration to Svelte, implementing new design system and improving performance
- Built internationalization system supporting multiple languages and regions
- Created self-service web application for travelers to manage insurance claims
Projects
- Spearheaded redesign and replatforming of Burlington.com using Next.js and Sanity CMS
- Developed mobile-optimized, WCAG2.1 AA-compliant website with features for product display, promotions, store locator, and loyalty program
- Achieved 85+ Core Web Vitals scores across all critical metrics for top-level pages
- Led the development of a new Wall Street Journal vertical website for product recommendations
- Implemented production-ready React/Next.js website with features including global navigation, homepage sections, article pages, search functionality, and user authentication
- Integrated multiple proprietary APIS and CMS for data fetching and content management
Daissen App
2022/11 – present
- Independently developed React Native mobile app, managing entire process from coding to app store publication
- Collaborated with content producers and designers to create engaging user experience
- Launched app gaining tens of thousands of active users in Brazil
- Maintain and update app ensuring ongoing success and user satisfaction
TCGTrends
- Developed a Pokemon trading card game price comparison platform with real-time market data visualization.
- Designed and implemented data visualization components for tracking card price trends across multiple marketplaces
- Integrated multiple third-party APIs to aggregate and normalize price data in real-time
- Built responsive interfaces to display complex pricing data in an intuitive format
- Implemented caching strategies to optimize performance with large datasets
Technical Skills
Frontend Development
- React
- React Native
- Svelte
- TypeScript
- HTML5
- CSS3
Architecture
- REST APIs
- Microservices
- AWS
- Kubernetes
- Testing libraries (Cypress, Jest etc)
CMS
- Sanity
- Prismic
- Contentful
- Wordpress
Accessibility
- WCAG 2.0/2.1 compliance
UI/UX
- Component Libraries
- Design Systems
- Responsive Design
- Figma
Data & Performance
- Data Visualization
- Performance Optimization
- API Integration
- Core Web Vitals
- Lighthouse optimization
Languages
English
EF SET English Certificate - C2 Proficient (Score: 76/100)
Portuguese
Native