I build fast, scalable web applications that perform.

Software Engineer · Freelance

Remote

• Designed and delivered full-stack web applications for clients with React, Next.js and Node.js, shortening time-to-launch through well-defined MVPs with clear iteration plans.
• Integrated AI capabilities — local models via Ollama and cloud LLM APIs — into client workflows, enabling intelligent, private features without exposing data to third parties.
• Built multi-agent orchestration systems that automated repetitive business processes, cutting manual effort by an estimated 60% for early clients.

• React
• Next.js
• Node.js
• AI

Sr. Software Engineer — Frontend

Remote, USA

• Led frontend development of SportsLine's subscription and conversion flows — a high-traffic sports-media platform — contributing to measurable improvements in subscription completion through UI performance work and A/B-tested UX changes.
• Reduced frontend regression rate by ~30% by introducing team-wide Jest and React Testing Library standards, raising code coverage from minimal levels to consistent baselines.
• Integrated the GraphQL (Apollo Client) data layer across major product surfaces, simplifying state management and reducing integration complexity for 5+ engineering teams.
• Drove accessibility and responsive-design improvements on key pages, reaching WCAG 2.1 AA conformance on the main user flows.
• Performed systematic code reviews and mentored engineers on frontend architecture patterns, shortening PR cycle times and increasing code consistency.

• React
• GraphQL
• A/B testing
• WCAG

Full Stack Developer

Barcelona, Spain · Remote

• Worked on SigntoSign, ANF's electronic-signature platform, contributing to both frontend (Vue.js) and backend (Laravel) across the product lifecycle.
• Re-engineered the document viewer to work directly with PDFs instead of converting each page to images — cutting load time by 80%+ and significantly improving the signing experience.
• Built and optimized RESTful APIs for the signing flow — document upload, viewing, signing and delivery — improving system performance and reliability.
• Collaborated with cross-functional teams in Agile to ship features on schedule, contributing to multiple successful SigntoSign releases.

• Vue.js
• Laravel
• PDF
• REST

Full Stack Developer

Remote

• Delivered 10+ client web applications end-to-end using React, Vue.js, Laravel and Symfony, from requirements gathering to deployment.
• Improved frontend load times by up to 35% through code splitting, lazy loading and strategic caching — directly impacting clients' SEO scores and bounce rates.
• Mentored 3 junior developers, establishing code standards, review processes and CI/CD pipelines that halved integration issues.

• React
• Vue.js
• Laravel
• Symfony