David Sánchez
Big Data Analyst
Castelló de la Plana, Valencian Community, Spain
Summary
👤
Senior🎓
Top SchoolDavid Sánchez is a Big Data Analyst with a decade of experience optimizing processes and delivering end-to-end data solutions within Telefónica Spain, where his work has improved customer satisfaction and driven revenue growth. Trained in Computer Science and Big Data & Data Science, he blends hands-on engineering—from Java, iOS and KNIME projects to large-scale production deployments—with a focus on executional excellence and continuous learning. He has led operations and network transformation efforts and now designs, implements and supports production-grade analytics pipelines that impact internal stakeholders. Based in Castelló de la Plana, he brings a pragmatic, systems-oriented approach and a knack for translating complex process restructures into measurable business outcomes.
10 years of coding experience
4 years of employment as a software developer
Big Data & Data Science Master, Computer Science, Big Data & Data Science Master, Computer Science at Universidad Autónoma de MadridComputer Science Engineering, 8.04, Computer Science Engineering, 8.04 at Universitat Jaume ICurso de Java Avanzado, Computer Programming, 40h, Curso de Java Avanzado, Computer Programming, 40h at Centro de Estudios de Postgrado y Formación Continua
Spanish, Catalan, English
Github Skills (17)
music-notation10
guitar10
svg10
piano10
react-library10
database10
music-composition10
react9
react-component8
datepicker7
directive6
dates6
javascript4
leaflet4
angularjs3
Programming languages (1)
Github contributions (5)
universitatjaumei/red
Feb 2016 - Feb 2018
Contributions:65 pushes, 4 comments, 14 issues in 2 years
universitatjaumei/shipui
Sep 2015 - Feb 2016
Contributions:37 pushes, 3 issues in 5 months
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