Fermin Molinuevo

Senior Elixir & Ruby Developer | Scalable Web Apps | Remote Freelancer

I am an experienced Elixir and Ruby on Rails developer with over 10 years of experience building scalable web applications. I specialize in e-commerce, booking platforms, API integrations, and performance optimization. I have worked with American Express, iSeatz, and multiple SaaS companies, delivering high-quality, robust, and secure applications.

✅ Backend Development – Expert in Elixir, Phoenix, Ruby on Rails, and Next.js.

✅ API Development – Building REST & GraphQL APIs, integrating third-party services.

✅ Scalable Systems – Experience in high-traffic apps, caching (Redis), and microservices.

✅ E-commerce & Payments – AMEX integrations, Stripe, PayPal, and Braintree.

✅ Cloud & DevOps – AWS, Docker, CI/CD, GitHub Actions, PostgreSQL.

I work 100% remotely and am available for freelance projects, part-time contracts, or long-term collaboration.