
About Me
Frontend Developer & Tech Enthusiast
I'm a passionate frontend developer with over 20 years of experience in building modern web applications. I love creating beautiful, accessible, and performant user interfaces that make a difference.
Skills & Technologies
Frontend
- React
- TypeScript
- Next.js
- Tailwind CSS
- HTML5
- CSS3
- Vitest
- Micro-Frontends
- Vercel AI SDK
Backend
- Node.js
- Express
- PostgreSQL
- MongoDB
- GraphQL
- Supabase
- Prisma
- Cloudinary
- Serverless Architectures
Tools & Others
- Git
- Docker
- AWS
- Vercel
- Jest
- Cypress
- Figma
- Biome
- Markdown
- Playwright
Experience
Senior Frontend Developer
OLX • Dec 2021 - Present
Maintaining and enhancing the legacy checkout platform using React PWA and federated modules (React + Svelte). Contributed to the migration to a modern platform using module federation. Led GDPR compliance and cookie management efforts, promoted coding best practices, and implemented accessibility standards (EN 301 549, WCAG 2.0).
Frontend Developer
SumUp • Oct 2020 - Dec 2021
Worked on the Core Platform team improving architecture and developer experience. Led the transition to micro frontends and optimized development workflows for better DX.
Full Stack Engineer
GetYourGuide • Nov 2019 - Oct 2020
Led migration of the product page from legacy stack to Vue.js with SSR and Kafka-powered A/B testing. Designed APIs and ensured feature stability during the transition.
Full-Stack Developer
crvsh • Aug 2018 - Oct 2019
Defined stack, architecture, coding standards and led the frontend team. Delivered platforms like Vodafone IoT and auction testing tools.
Front End Tech Leader
URBANARA • Jun 2016 - Jul 2018
Built the Vue.js storefront, defined frontend architecture, coding practices, internal tools, and maintained legacy PHP systems.
Senior Frontend Developer
Klickrent • Aug 2015 - Aug 2016
Built the first Angular storefront, trained the team, introduced development and performance best practices.
Front End Tech Leader
ClickBus • Aug 2013 - May 2015
Led architecture, hiring, coaching, and delivery of features. Worked closely with PMs and stakeholders.
Senior Frontend Developer
Locaweb • Jul 2012 - Aug 2014
Created style guides and open-source UI libraries. Focused on performance and modern web best practices.
Senior Frontend Developer
Vorttex • Nov 2011 - May 2013
Defined stack and rules, built internal tools and hot-sites for enterprise clients.
Senior Frontend Developer
Codeminer42 • Mar 2012 - Dec 2012
Developed MVPs for multiple startups using Backbone, jQuery, and Ruby on Rails.
Frontend Lead
Rede Bandeirantes de Televisão • Mar 2010 - Feb 2012
Architected and implemented the new portal, CMS, and campaign hot-sites.
Senior Frontend Developer
Inter.net Brasil • Oct 2010 - Apr 2011
Designed architecture and developed CMSs, e-commerce, Facebook apps, and web games.
Interests & Hobbies
Open Source & Community
Building and sharing tools, contributing to the frontend ecosystem, and supporting developer communities.
Design & Aesthetics
Exploring clean, accessible design systems and blending technology with visual arts, from tattoo flash to Art Nouveau interfaces.
DIY Projects
Creating tools, furniture, and decorations using laser cutters and woodworking. Passionate about functional aesthetics.
Language & Culture
Learning German and engaging in cross-cultural experiences across Brazil, Germany, and Italy.
Human-Centered Tech
Interested in AI, productivity, and building digital tools that solve real human problems, especially in creative industries.
Get in Touch
Berlin, Germany
letanure+blog@gmail.com