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Lead Frontend Developer
Frontend Lead, 7+ years building products. Led 80+ screens and an MVP. React, TypeScript, Next.js, Vue. Remote from Paraguay.
ParaguayLead Frontend Developer at Confidential Client (Freelance)
Confidential Client (Freelance)
Led frontend for a large web app, taking ownership of architecture after the original developer left. Built 80+ screens from Figma with role- and permission-based views; implemented RBAC and frontend security; extended factories for components, lists, repositories, Zod schemas, styling, and tests. Work directly with the founder and product owner and own most frontend delivery.
ReactTypeScript
Top Rated Plus on Upwork with $100K+ earned across 24 jobs and 100% Job Success. Freelance frontend and full-stack work across AI, learning management, and prototype projects.
HTMLCSSJavaScriptTypeScriptReactReact QueryTailwind
Fixed bugs and improved code quality. Shared responsibility with the frontend lead for delivering an MVP, coordinated meetings to resolve blockers, and proposed technical improvements and features.
ReactTypeScriptNext.jsZod
Built React, TypeScript, JavaScript, and Next.js apps for Inditex. Designed scalable frontend architecture and implemented unit and integration tests with Jest, React Testing Library, and Cypress. Worked in Scrum with design and product teams using Jira.
HTMLCSSReactTypeScriptJavaScriptReact NextJSJestReact Testing LibraryCypressJiraAgile
Maintained high-traffic React applications used by more than 4 million people, improving performance and reliability and resolving frontend issues. Monitored analytics with Google Ads, GFK, Omniture, Bluekai, Conviva, and Heartbeats.
HTMLCSSJavaScriptTypeScriptReactNext.jsJSONRedisReact ReduxJestReact Testing LibraryCypress
Integrated REST APIs and built responsive, multilingual applications for mobile, web, 2K, and 4K displays. Created reusable components, partnered with backend teams on APIs and routing, and improved performance and SEO through direct client collaboration using i18next and Scrum.
HTMLCSSJavaScriptReactTailwindReduxTypeScriptNext.jsREST APIs