Julio Fernández
Technical Senior Expert Specialist at NTT DATA
Lanjarón, Andalusia, Spain
Summary
👤
Senior🎓
Top SchoolJulio Fernández is a Technical Senior Expert Specialist and seasoned software engineer with over two decades of experience building and scaling SaaS products, currently focusing on Node.js, NestJS and Angular. He combines hands-on implementation—having co-founded and led the engineering of a microservices SaaS with ClickHouse analytics and Kubernetes infrastructure—with a track record of improving quality through automated E2E testing and AI-driven test generation. Julio has led distributed teams and shaped architecture and CI/CD practices across startups and enterprise contexts, optimizing cloud costs and operational stability. His background spans backend systems, data ingestion for financial data, and IoT/cloud integrations, underpinned by formal studies in software engineering and bioinformatics. Comfortable in fractional leadership or technical consulting, he brings a pragmatic blend of product sensibility and deep engineering craft from prototyping to production. An unusual strength: he pairs large-scale system design with building bespoke testing tools (PDF comparators and Playwright generators) that raise release confidence.
11 years of coding experience
23 years of employment as a software developer
Associate's Degree, Computer programmer and Multimedia, Associate's Degree, Computer programmer and Multimedia at Foothill CollegeBachelor’s Degree, Bioquímica e Ingeniería Química, Bachelor’s Degree, Bioquímica e Ingeniería Química at University of MaineBachelor’s Degree, Biotecnología, Bachelor’s Degree, Biotecnología at Universidad de Puerto RicoUOC (Universitat Oberta de Catalunya)
Spanish, English
Stackoverflow
351reputation
31kreached
2answers
5questions
Github Skills (25)
nextflow-tower10
cli9
bash8
linux8
nextflow8
laravel7
macos7
shell7
rust7
laravel-sanctum6
google-picker6
zsh6
google-drive-api6
heroku6
nodejs6
Programming languages (7)
Github contributions (5)
LabRatGroup/LabRat-Back-Office-API
Mar 2018 - Jun 2018
Laravel based LabRat back office API
Contributions:2 releases, 362 commits, 120 PRs in 3 months
laravel
grananda/facecheck-api
Oct 2020 - May 2023
Contributions:2 PRs, 2 pushes, 2 branches in 2 years 8 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.