PAULO GONÇALVESFront-End Engineer
Natural de Vila Nova de Gaia, Porto, Portugal.
Com mais de 20 anos de experiência profissional, sou atualmente Principal Front-End Engineer na empresa Porto Tech Center - Jumia, focado no desenvolvimento de aplicações web escaláveis e de alto desempenho.
Lidero a arquitetura de front-end, defino a direção técnica e promovo boas práticas, recorrendo a frameworks e ferramentas modernas.
Orientado para a performance e experiência do utilizador, colaboro com equipas multidisciplinares para entregar soluções robustas e centradas no utilizador, enfrentando desafios de engenharia complexos.
Experiência Profissional
Jumia Porto Tech Center
11 anos 9 meses
Principal Front-End Engineer
out. de 2022 – o momento · 3 anos 10 meses
Porto, Portugal
Expertise in delivering scalable, high-performance applications across SPA, SSR, and CSR architectures. Specialized in semantic HTML5, accessibility (A11y), SEO, and styling systems with SCSS, CSS-in-JS, Utility CSS, Atomic BEM, TailwindCSS, shadcn-...
Expertise in delivering scalable, high-performance applications across SPA, SSR, and CSR architectures. Specialized in semantic HTML5, accessibility (A11y), SEO, and styling systems with SCSS, CSS-in-JS, Utility CSS, Atomic BEM, TailwindCSS, shadcn-ui, and Radix UI. Extensive experience in JavaScript (ES6+) and TypeScript, with deep knowledge of React 19, Next.js 15, and Preact for lightweight, high-performance UI development. Skilled in state and data management with Zustand, Unistore, TanStack (React Query, Router, Table), nuqs, React Hook Form, Zod, Dice Table, cmdk, and kbar. Designed modular architectures with Module Federation, Turborepo, Turbo, Vite, Vitest, Vite-plugin-federation, Rollup, and Webpack. Delivered backend integration with Express.js, PostgreSQL, and Prisma ORM. Ensured reliability and maintainability with testing and QA: Jest, Testing Library, Puppeteer, Playwright, Vitest, Lighthouse, Axe, and Autocannon. Maintained strict code quality standards with ESLint, StyleLint, Prettier, Husky, Lint-Staged, Knip, Renovate, Dependabot, and CSpell. Implemented observability, monitoring, and logging with Sentry, Winston, Prom-client, New Relic, Grafana, and OpenSearch. Automated CI/CD pipelines with GitHub Actions, Jenkins, Rundeck, Docker, pnpm workspaces, npm, and Yarn. Validated compatibility across browsers and devices using BrowserStack. Integrated analytics and ad-tech ecosystems including GA4, GTM, Clarity, AdManager, MoEngage, Mabaya, Mirakl Ads, Facebook Conversions API, Google Ads, Verbolia, ThreatMetrix, Sprinklr, Modiface, Leaflet, and qeen.ai. Enhanced user experience with Recharts, Storybook, and SVG sprites, while streamlining workflows with VSCode, Windsurf, JetBrains WebStorm/PHPStorm, Sublime, Linux (Ubuntu), and AI-assisted coding (Copilot, Gemini, Cascade, Claude). Proven ability to deliver modern, modular, and performant platforms with a focus on accessibility, resilience, and scalability.
Engineering Manager / Lead Front-End Engineer
set. de 2021 – out. de 2022 · 1 ano 2 meses
Porto, Portugal
Led engineering teams across Jumia Mall — managed a full-stack team (1 FE + 2 BE + 2 Android + 1 iOS + 2 QAA + 1 PO) and a front-end team (4 FE + 1 QAE + 1 PO). Drove technical execution, code quality, and delivery timelines.
Lead Front-End Engineer
jun. de 2020 – ago. de 2021 · 1 ano 3 meses
Portugal
Lead Front-End Engineer for Jumia Mall. Architected front-end solutions, established best practices, and mentored junior engineers while delivering e-commerce features at scale.
Web Engineer (Senior Front-End Engineer)
abr. de 2016 – jun. de 2020 · 4 anos 3 meses
Porto, Portugal
Front-end and back-end development of e-commerce solutions for desktop and mobile (including Opera Mini). Built micro-services clients, Jumia Blog, and Jumia Group website. Worked with JavaScript, ECMAScript 5/6, AngularJS (1/2/4), React, Redux, Pr...
Front-end and back-end development of e-commerce solutions for desktop and mobile (including Opera Mini). Built micro-services clients, Jumia Blog, and Jumia Group website. Worked with JavaScript, ECMAScript 5/6, AngularJS (1/2/4), React, Redux, Preact, SSR, Webpack, PWA, Service Workers, AMP, SASS, BEM, Node, Gulp, PHP, MySQL, and Docker.
Senior Front-End Developer
nov. de 2014 – abr. de 2016 · 1 ano 6 meses
Porto, Portugal
E-commerce solutions - front-end development for desktop and mobile foundation. Built with Node, Gulp, HTML5, SASS, BEM, JavaScript, jQuery, Ext JS, PHP, MySQL, and Solr.
Rocket Internet GmbH
2 anos 6 meses
Advanced Developer
jun. de 2012 – nov. de 2014 · 2 anos 6 meses
E-commerce solutions - front-end and back-end development. Worked with PHP, MySQL, JavaScript, jQuery, Ext JS, Zend Framework, Yii Framework, Solr, Nginx, Apache2, Memcache, and RabbitMQ.
Myone - Comunicação Multimédia
3 anos 8 meses
Multimedia Engineer
out. de 2008 – mai. de 2012 · 3 anos 8 meses
Vila Nova de Gaia
Back-end and front-end development (PHP, MySQL, JSON, AJAX, JavaScript, jQuery, XML, CSS3, HTML5, Flash ActionScript 3.0). UI/UX design (Adobe Photoshop, Fireworks, Illustrator, Flash, Corel Draw). Project management.
Medula - Design de Comunicação
1 ano 1 mês
Web Designer | New Media Developer
set. de 2007 – set. de 2008 · 1 ano 1 mês
Vila Nova de Gaia
PHP, MySQL, JavaScript, AS3 developer. Interface and web designer. Project management.
Freelance
3 anos 8 meses
Desenvolvedor/Designer Web Freelancer
jan. de 2004 – ago. de 2007 · 3 anos 8 meses
Freelance web development and design projects. Full-stack development, client communication, and project delivery.
Competências Principais
ℹ️ Para mais detalhes, consulte o meu perfil no LinkedIn.