Sergio Royo is a seasoned software engineer with over a decade of experience building high-quality web and mobile applications, currently focused on JavaScript front-end development (React/TypeScript) while maintaining strong back-end and DevOps skills. He has delivered features and led deliveries across startups and large enterprises—including NatWest Cushon, Santander, Sainsbury’s and Argos—bringing pragmatic XP/TDD practices to improve quality and velocity. Sergio also runs his own company and ships independent projects ranging from Flutter mobile apps to Unity games and a Rust/productivity blog, reflecting a blend of curiosity and hands-on mastery. Comfortable working remotely or in light-hybrid setups, he prefers roles that value technical excellence, lean delivery and great UX. An unusual strength: formal music training (advanced piano) which informs his disciplined, iterative approach to craftsmanship and creative problem solving.
11 years of coding experience
11 years of employment as a software developer
Online course: Software as a Service (Agile), Online course: Software as a Service (Agile) at University of California, Berkeley
Grado Medio de Música Piano, Grado Medio de Música Piano at Conservatorio José Iturbi, Valencia
Grado Superior de Piano, Grado Superior de Piano at Conservatorio Superior de Música Salvador Segui de Castellón
Cardiff Celtic School of Languages
Telecommunications Engineering Degree, Telecommunications Engineering Degree at University of Valencia
Contributions:6 commits, 11 pushes, 10 branches in 11 months
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Sergio Royo - Software Engineer at Personal projects