Acerca de Raúl
Desarrollador backend especializado en Node.js.
Ayudo a empresas a construir, mejorar y mantener APIs y sistemas backend, especialmente cuando necesitan integrar servicios, procesar datos o escalar aplicaciones existentes.
Tengo experiencia trabajando con APIs REST, bases de datos MySQL y sistemas de eventos (Azure Event Hub), optimizando rendimiento y adaptando código a nuevas necesidades de negocio.
Servicios:
•Desarrollo de APIs con Node.js (Express / NestJS)
•Integración entre sistemas (APIs, eventos, colas)
•Optimización de rendimiento y consultas SQL
•Mantenimiento y mejora de backends existentes
Stack:
Node.js · NestJS · Express · MySQL · Azure Event Hub · Git
Español
Bilingüe o nativo
Inglés
Competencia profesional básica
Acepta trabajo presencial
Madrid (hasta 50 km)
Experiencia
- Ahorramas S.ASoftware Architectfebrero de 2023 - Hoy (3 años y 6 meses)Madrid, Spain• • Designed and own the architecture of a company-wide Storage Management System used across 8+ departments and 200+ daily internal users• • Built custom CLI tooling that automated repetitive dev workflows, reducing deployment setup time by ~40% across 5+ engineering teams• • Lead all architectural decisions for new product initiatives, owning scalability, maintainability, and performance trade-offs• • Provide technical leadership to cross-functional teams, establishing standards for code quality, testing, and CI/CD adoptionTechnologies: Node.js, Docker, Angular, Kubernetes, Microservices, CI/CD, System Architecture
- FacePhiBackend Developeragosto de 2022 - enero de 2023 (5 meses)• • Developed internal services using Node.js and NestJS, consumed by client-facing biometric authentication products• • Built responsive frontend interfaces with React; maintained automated test coverage with Jest in a Docker-based CI pipeline• • Contributed to microservices architecture design alongside cross-functional teamsTechnologies: Node.js, NestJS, React, Docker, Jest, CI/CD
- True IT SystemsSoftware Developerenero de 2022 - agosto de 2022 (7 meses)• • Delivered full-stack web applications in JavaScript; designed and optimized MySQL schemas, stored procedures, and complex queries• • Improved application performance through UI refactoring and query optimizationTechnologies: JavaScript, HTML5, CSS3, MySQL
Recomendaciones
Sé el primero en recomendar a Raúl
Ayuda a este freelance a destacar compartiendo tu experiencia.
Estos perfiles de freelance también coinciden con tus criterios
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Formación
- Full Stack DeveloperBootcamp2021Full Stack Developer
- Associate Degree in 3D Animation, Game Design & Interactive Environments2021Associate Degree in 3D Animation, Game Design & Interactive Environments