# Miguel Machado Miguel Machado is a remote worker on Himalayas, Senior Frontend Engineer at Fostr, based in Brazil. Source: https://himalayas.app/@miguelmachado1 ```text Senior Software Engineer at Fostr building assessment flows, and at Uber delivered the Eats multicart feature that increased order value. ``` | Detail | Value | | --- | --- | | Availability | Looking for a job | | Location | Brazil | | Authorized to work in | Brazil | | Salary expectations | 30k+ USD | | Job categories | Software Engineer, Frontend Engineer, Backend Engineer, Full Stack Engineer | | Skills | Software Engineering, Frontend Development, Backend Development, Fullstack Development, React, TypeScript, NodeJS, Go, GraphQL, React Native, Next.js, TanStack Router, Tanstack Query, Vitest | | Website | https://miguelmachado.dev/portfolio | | Portfolio | https://miguelmachado.dev/portfolio | | LinkedIn | https://linkedin.com/in/miguel-machado | | GitHub | https://github.com/MiguelMachado-dev | ## About ```text At Fostr, I architected and delivered an EdTech SaaS question flow system from scratch, including reusable components and assessment workflows with auto-save and stage validation. I used React and TypeScript, and reached more than 95% test coverage for critical user-facing workflows. At Uber, I led development of the Uber Eats multicart feature, enabling orders from multiple restaurants in one cart and increasing average order value by 15%. I also built a personal project, Before The Hunt, with a delivery loop for AI coding agents, CI-checked evidence, and TLA+ modeling for supporter checkout. ``` ## Experience ### Senior Frontend Engineer (current) Fostr. Nov 2025 - Present ```text Architected and delivered a complete question flow system for an EdTech SaaS from scratch in 3 weeks, owning all technical decisions. Built about 20 reusable components with shadcn/ui and implemented clean architecture with React, TypeScript, and TanStack Router. ``` Skills: React, TypeScript, TanStack-Router, Shadcn-Ui, Vitest, React-Testing-Library ### Backend Dev Lead & Mentor (current) Forja. Jan 2023 - Present ```text Lead backend teams in projects that simulate tech company dynamics, offering market-ready experience to developing professionals. Directed squads, defined architecture, conducted code reviews, and mentored junior and mid-level developers. ``` Skills: Go, Technical-Leadership, Project-Management, Mentorship, Code-Review ### Full Stack Engineer [Globant](https://himalayas.app/companies/globant-commerce-studio). Jan 2023 - Nov 2025 ```text Engineered GraphQL features in Golang and Supabase for Salesforce, optimizing performance with 30% faster response times. Developed back-office and e-commerce apps for Carrefour Group and Dick's Sporting Goods, integrating AI features that reduced customer service call times by 20%. ``` Skills: Go, Supabase, GraphQL, Apollo-Server, NodeJS, React, TypeScript, Vite, Vitest, Jest, React-Testing-Library, React-Native, Next.js, Storybook, NestJS, Kotlin ### Frontend Engineer [Uber](https://himalayas.app/companies/uber). Apr 2022 - Jan 2023 ```text Led development of Uber Eats multicart feature, increasing average order value by 15%. Built responsive React UI components and optimized data fetching with a GraphQL layer, slashing payload sizes by 60%. ``` Skills: React, GraphQL, Go, Jest, React-Testing-Library, Accessibility ### Senior Frontend Engineer Cornershop by Uber. Sep 2021 - Apr 2022 ```text Engineered store-facing features for inventory management and product catalog systems, enhancing merchant operational efficiency by 25%. Led integration of react-query, improving data fetching and caching strategies. ``` Skills: React, React-Query, ESLint, Prettier, Testing ### Frontend Developer Pixter. Sep 2020 - Sep 2021 ```text Developed frontend applications for Porto Seguro projects with focus on testing, accessibility, and performance optimization. Improved application performance by an average of 30% based on Google Lighthouse and PageSpeed Insights metrics. ``` Skills: Testing, Accessibility, Performance-Optimization, Google-Lighthouse, PageSpeed-Insights ### Full Stack Engineer Prion Soluções em Sistemas. Feb 2020 - Sep 2020 ```text Built full-stack applications using C# (.NET Core), Vue.js, and Node.js microservices. Developed API and component generators, cutting feature delivery time by 25%. ``` Skills: C#, .NET-Core, Vue.Js, NodeJS, Microservices ### Full Stack Developer Agência Mizu. Mar 2018 - Jan 2020 ```text Built e-commerce front ends on VTEX with HTML, Sass, and JavaScript, automating builds with Gulp and Grunt. Moved newer projects to React, Next.js, and Node.js, and used Docker on full-stack work. ``` Skills: HTML, SASS, JavaScript, Gulp, Grunt, React, Next.js, NodeJS, Docker ## Education ### Descomplica Bachelor's degree, Computer Science ```text Pursuing a Bachelor's degree in Computer Science, expected to complete in February 2027. ``` ### Rocketseat Dev com IA: Claude Code, Codex e Cursor, Artificial Intelligence. 2026 - 2026 ```text Completed the Dev com IA: Claude Code, Codex e Cursor certification in 2026. ``` ### Rocketseat Building a REST API in Go, Backend Development. 2025 - 2025 ```text Completed the Building a REST API in Go certification in 2025. ``` ### Udemy Go Programming (Golang): The Complete Developer's Guide, Programming. 2023 - 2023 ```text Completed the Go Programming (Golang): The Complete Developer's Guide certification in 2023. ``` ### ui.dev React Query, Frontend Development. 2022 - 2022 ```text Completed the React Query certification in 2022. ``` ## Tech stack - D3.js - Chart.js - GitHub - ESLint - Kubernetes - GitHub Actions - React Native - PostgreSQL - VTEX - Sentry - Node.js - .NET Core - Next.js - NestJS - Tailwind CSS - Redis - Jira - Storybook - Jest - Cypress - React - Vue.js - React Query - gulp - Grunt - JavaScript - Python - C# - Kotlin - Go - Fastify - OpenTelemetry - Stripe - GraphQL - Prisma - Redux - Zustand - Vercel - TypeScript - React Testing Library - Git - Docker - Google Lighthouse - SQL - Supabase - LangChain - Ollama - Shadcn/ui - Cloudflare Workers - Playwright - TanStack Query - OpenAI API - Cursor - Vite - Vitest - GitHub Copilot - Zod - N8N - TanStack Router - LM Studio - Claude Code - Express - Golang - AWS - REST APIs To contact Miguel, message them from this profile with a Himalayas employer account: [Hire on Himalayas](https://himalayas.app/hire). ## People also viewed - [ENRICO SECCO](https://himalayas.app/@enrico-secco): Senior Frontend Software Engineer, John Wiley & Sons - [Rafael Rodrigues](https://himalayas.app/@rafaelrodrigues): Full Stack Engineer, InstaLOD - [Adam Lee](https://himalayas.app/@adamlee3): Full Stack Engineer, PointLeader Predictive Analytics, Inc. - [G M](https://himalayas.app/@gm03): Senior Software Engineer, Dexian - [Jean Evangelista](https://himalayas.app/@jeanevangelista): Software Engineer, Williams‑Sonoma, Inc. - [Leonardo Solé Rodrigues](https://himalayas.app/@leosole): Frontend Engineer, Tribunal de Contas da União - [Fabio Ritzel Borges](https://himalayas.app/@fabiorborges): Full Stack TypeScript & Node Engineer, BairesDev - [Luiz Fernando](https://himalayas.app/@luizfernando2): Senior Frontend Engineer, TourRadar - [José Luiz](https://himalayas.app/@josluiz): Senior Software Engineer, Collective Health - [David Simões](https://himalayas.app/@davidsimes): Full Stack Engineer, D&L