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José Luiz

@josluiz

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I build and modernize React platforms, enterprise web applications, and developer infrastructure.

Brazil

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At Collective Health, I've led end-to-end modernization of member web platforms, consolidating four production webhook services into a TypeScript/Node.js monorepo and upgrading a three-app, 20+ library ecosystem from Next.js 11 and React 17 to modern versions.

I've improved authentication performance, built accessible design-system packages, modernized CI/CD with GitHub Actions, Terraform, Cloud Run, and artifact promotion, and reduced pull-request pipeline time from roughly 29 to 16 minutes. I also led frontend REST-to-GraphQL migration work, shipped member-facing claims, inbox, registration, and localization features, and mentored junior engineers through documentation and knowledge-transfer sessions.

Previously, I built Zarp's React web and React Native mobile applications at Localiza, delivered ERP, e-commerce, CRM, and offline-first mobile products at Totvs and Dimebras, and developed public-health software at MV. I enjoy owning work from design-system components through production delivery across React, Next.js, TypeScript, Node.js, GraphQL, and cloud infrastructure.

Experience

Work history, roles, and key accomplishments

Senior Software Engineer

Collective Health

Mar 2021 - Jun 2026 (5 years 3 months)

Owned the Webhook Consolidation initiative end to end, architected a TypeScript/Node.js monorepo merging four webhook repositories, and led framework and build modernization across a monorepo of three apps and 20+ libraries. Improved Core Web Vitals, migrated from Yarn to pnpm, and ran web release management.

Senior Frontend Software Engineer

Localiza

Nov 2020 - Mar 2021 (4 months)

Engineered the frontend of Zarp, a greenfield SaaS platform for car rentals to rideshare drivers, building an equivalent pair of React web and React Native mobile clients with JavaScript (ES11) and Styled-components, React-Redux state management, and Jest unit tests.

React React Native JavaScript styled components React Redux Jest Agile Scrum SAFe

Senior Software Engineer

Totvs

Jun 2017 - Nov 2020 (3 years 5 months)

Designed and built a customization engine inside a legacy Java ERP, worked on a B2B e-commerce platform for Seara Foods, and contributed to a SaaS CRM's reusable React component library and offline-first React Native mobile app.

Java React React Native SQLite Konva.Js (Canvas)Spring Boot AWS Google Cloud Vision API Magento PHP MySQL

Full-Stack Engineer (B2B & B2C E-commerce)

Dimebras

Feb 2019 - Mar 2020 (1 year 1 month)

Delivered web and mobile e-commerce applications for a pharmaceutical distributor, from prototypes and MVPs through production, with React and React Native frontends on an AdonisJS, PostgreSQL, and Redis backend, and full integration with the client's ERP.

React React Native AdonisJs PostgreSQL Redis ERP Integration

Software Engineer

Nov 2015 - Jun 2017 (1 year 7 months)

Developed new features and provided production support for the largest public health management system in Brazil, and contributed to an infrastructure modernization program migrating version control from Subversion to Git. Joined the S.A.M.U. project as a frontend developer building the interface in TypeScript and AngularJS.

Java JPA Hibernate jQuery PostgreSQL TypeScript AngularJS Git