Wellington Fernandes

Fullstack Engineer

Capgemini Engineering

Lead a team of 3 frontend engineers on a telemedicine platform for the Portuguese Ministry of Health, supporting 14,000 teleconsultations per year. Increased platform adoption by 30% through improved real-time communication and rendering performance.

React 18+Next.jsTypeScriptReduxWebRTCWebSocketsUnit TestingCI CDGit

Frontend Engineer

Designed and built scalable checkout flows for Latin America's leading e-commerce platform, handling R$10B in annual transactions. Owned features from discovery to deployment and helped migrate the checkout to React/Next.js.

ReactNext.jsTypeScriptReduxNodeJSReact Hook FormFormikReact Testing LibraryJestCI CDGit

Software Developer & Product Owner

Delivered frontend and backend work in a fintech startup, taking full-stack ownership of features. Acted as Product Owner, managing the backlog and making prioritisation trade-offs.

AngularJavaScriptHTML5CSSGit

Front-end Developer

Built bespoke, high-performance web interfaces from scratch using semantic HTML, CSS, and vanilla JavaScript DOM manipulation.

HTMLCSSJavaScript

QA Tester & Front-end Developer

Started in Quality Assurance, then moved to the front-end team to build feature prototypes with HTML, CSS, and JavaScript.

HTMLCSSJavaScriptQuality Assurance