Full Stack Engineer Β· Tech Lead Β· Performance Optimizer
Tres Cantos, Madrid Β· [email protected]
LinkedIn
With 7+ years of hands-on experience as a Full Stack Engineer, I architect and deliver high-performance web and mobile applications for startups, agencies, and enterprise clients (10β1,600+ employees).
- Led & Delivered: 9 end-to-end applications, 4 full-stack projects, and built design systems from scratch.
- Performance Driven: Cut page load times by 50% and improved Core Web Vitals by 40% through UI and asset optimization.
- Scaling Impact: Launched a marketplace MVP in 3 months, onboarding 1,500+ users and 50+ brands in the first quarter.
- Real-Time Systems: Engineered dashboards and messaging at sub-100ms update rates to boost engagement.
- Legacy Modernization: Achieved 60% faster platforms and 20% higher client satisfaction by revamping legacy systems.
- Frontend: React.js, Vue.js, Next.js, Nuxt.js, Inertia.js, React Native, Tailwind CSS, SASS/SCSS, Styled Components, Atomic Design
- Backend & APIs: Laravel, Python Flask, Node.js, REST, GraphQL, WebSockets
- Databases & Caching: PostgreSQL (+PostGIS), MySQL, Oracle, Redis, Laravel Horizon
- DevOps & Tooling: Docker, AWS (EC2, S3), CI/CD (GitHub Actions), Vite, ESLint, Prettier
- Testing & Quality: Jest, Vitest, Pest, Cypress, PHPStan, Pint
- Other: Redux Saga, React Forms, Stripe/Cashier, Power BI
- DevX Solutions: Led a team to launch a marketplace MVP in 3 months; architected modular full-stack solutions; managed AWS infra for zero-downtime CI/CD.
- DevSquad LLC: Built scalable analytics & multi-tenant SaaS; led PHP-to-Node migration; launched subscription platforms with Stripe.
- Planner Sistemas: Delivered three zero-defect apps in nine months for retail/distribution; improved accuracy and onboarding.
- Braslimp Transportes: Automated data pipelines and reporting, saving 20+ hours/month for finance teams.
- π§ Email: [email protected]
- πΌ LinkedIn: linkedin.com/in/abitavares