Marcelo

Frontend Engineer Brazil
10 yrs experienceEnglish Fluent
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Skills
TypescriptNext.jsAngular
Secondary skills
React.jsNode.jsExpress.jsAwsAI Agents
Experience
Senior Frontend Engineer
May 2026 – Present · Brazil
Currently building a greenfield application around Nx/micro-frontend architecture for a client in the energy industry. Coordinated the transition of a client's backoffice application to another team.
React.jsTypescriptFrontend Architecture
Senior Frontend Engineer
Jul 2025 – May 2026 · Brazil
As a contractor, worked daily in a cross-cultural team for a US-based client. Implemented a new real-time chat provider (Genesys Cloud) in a React.js codebase. Delivered the full rewrite of the client's web portal used by ~700,000 active users, under a tight deadline. Built 30+ accessible UI components (WCAG) across 4 micro-frontend apps. Integrated and managed Contentful CMS with the frontend app for dynamic content pages. Advanced use of Cursor and Claude: rules, context, planning, implementation, testing and debugging.
ClaudeCursorTypescriptReact.js
Senior Frontend Engineer
Apr 2025 – Jul 2025 · Brazil
Worked remotely with a distributed, cross-functional team while serving a US-based client in the financial industry. Created software documentation that unblocked ~15 engineers ramp-up on a legacy application. Mentored junior/mid-level engineers during onboarding.
Frontend engineering
Senior Full Stack Engineer
Apr 2023 – Apr 2025 · Brazil
Took over the frontend and backend applications following a vendor transition. Led an Angular 6 to 18 migration, eliminating ~600 vulnerabilities and ~20 external libraries. Reduced production incidents by ~70% YoY through technical debt reduction. Managed Azure infrastructure (WebApps, Docker, Application Insights, Azure Pipelines). Built a lib of ~40 pixel-perfect UI components during a major rebranding. Contributed to a contract renewal by proposing a six-month modernization roadmap.
Frontend ArchitectureAngularAzureDockerTypescript
Senior Frontend Engineer
Nov 2021 – Mar 2023 · Brazil
As a Senior Engineer, reduced ~30h/month of engineering effort by resolving app state management bottlenecks. Built data-intensive, interactive dashboards for exploring ERP data across healthcare and finance industries. Resolved known UX friction by remodelling part of the app routing strategy around URL parameterization.
TypescriptUxDashboardsReduxReact.jsZustand
Mid-level Frontend Engineer
Aug 2021 – Oct 2021 · Brazil
Built a responsive, mobile-first, pixel-perfect UI for the bus ticket e-commerce platform. Integrated Strapi headless CMS for dynamic content. Managed Docker images and deployments through Heroku.
React.jsDockerTypescriptHeroku
Junior Frontend Developer
Apr 2016 – Jul 2021 · Brazil
Started as a Support Analyst and progressed to Frontend Developer. Migrated a customer-facing portal from server-side rendered PHP to frontend SPA. Built a real-time customer tracking portal using WebSockets and API integrations. Managed development infrastructure using AWS EC2, nginx, MongoDB, Jira and Confluence.
ConfluenceWebsocketsJiraJavascriptMongodbNginxPhp
Education
Technical Course in Information Technology (Integrated with High School)
Instituto Federal Sul-rio-grandense, Campus Camaquã · Feb 2013 – Jul 2017
Side projects
EQShed: Browser Audio Studio for Musicians | Aug 2026 - Present
Aug 2026 – Present

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