Daniel Castelló
Senior Data Engineer
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolDaniel Castelló is a Senior Data Engineer based in Barcelona with 11 years of experience building backend systems and data pipelines, now focused on simplifying processes and promoting software engineering best practices. He moved from web/backend development into data engineering in 2014 and has driven impactful projects—reducing costs by ~92% on a marketing data ingestion migration and implementing EU Taxonomy-aligned pipelines. A pragmatic team player and clean-code advocate, he regularly teaches and evangelizes practices in companies and in the Master of Big Data at Universidad de Valladolid. Comfortable in remote environments, he pairs hands-on implementation with mentoring and cross-guild collaboration to raise engineering standards.
11 years of coding experience
13 years of employment as a software developer
Bachelor of Science (Honours) in Computing Ingeniería informática, Bachelor of Science (Honours) in Computing Ingeniería informática at University of WalesBachillerato Bachillerato científico-tecnológico, Bachillerato Bachillerato científico-tecnológico at Colegio Trueba de ArtxandaFP superior en Desarrollo de Aplicaciones Informáticas (DAI) Programación informática aplicaciones específicas, FP superior en Desarrollo de Aplicaciones Informáticas (DAI) Programación informática aplicaciones específicas at Centro San Luis Bilbao
Spanish, English, Basque
Stackoverflow
1,365reputation
144kreached
29answers
10questions
symfony
top-5%
Github Skills (85)
testing10
unit-testing10
python9
pytest9
privacy-protection9
privacy9
functional-testing9
symfony9
api8
javascript8
authentication8
security8
react8
oauth8
nextjs8
Programming languages (11)
Github contributions (5)
DaniSancas/amcb
Jan 2015 - Dec 2018
Contributions:42 pushes, 3 branches, 2 tags in 3 years 11 months
DaniSancas/scor
Jan 2015 - Nov 2018
Contributions:19 pushes, 4 branches in 3 years 10 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.