Summary
Daniel Guerrero is a Senior Fullstack Developer with eight years of experience building high-performance web applications, currently leading fullstack efforts at Preply. He has progressed through roles from frontend specialist to tech lead and now senior fullstack, bringing deep expertise in React, Redux, Node.js, MongoDB and Postgres. Comfortable switching between UI and backend concerns, he excels at shipping pragmatic, scalable features for fast-moving product teams. Based in Ripollet, Catalonia, he combines formal computer engineering training with hands-on vocational Java/J2EE and modern JavaScript stack experience. Notably, his career shows repeated internal promotions at Preply, reflecting both technical ownership and growing leadership responsibility. He’s a developer who pairs practical engineering with a clear focus on performance and product impact.
8 years of coding experience
10 years of employment as a software developer
IES Lluis Companys
Programación informática aplicaciones específicas, Programación informática aplicaciones específicas at Code School
Programador Java y Desarrollo de Aplicaciones J2EE Tecnología de la información, Programador Java y Desarrollo de Aplicaciones J2EE Tecnología de la información at LUZ TECNOLOGÍAS DE LA INFORMACIÓN SL
UOC (Universitat Oberta de Catalunya)
Spanish, Catalan, English