Holger Fernandez
Software Developer at GAN
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolHolger Fernandez is a senior Java web developer based in London with 13 years of professional experience and a decade-plus focus on the Java/Grails/Spring stack. He has delivered backend-driven web applications across startups and enterprises, combining Groovy/Grails, Java 8–11, PostgreSQL/MongoDB and containerized deployments with Docker/Kubernetes. Comfortable across the full stack, Holger also brings hands-on DevOps experience (Heroku, AWS, CI/CD) and has worked with diverse platforms including Liferay, Wordpress and Prestashop. His career shows a pattern of optimizing legacy systems and building new services—often bridging SQL and NoSQL models—and contributing to both product-facing and internal tooling. Known for continuously updating his skills, he blends pragmatic engineering with a freelancer’s ability to adapt quickly to different architectures and business domains.
13 years of coding experience
10 years of employment as a software developer
Ciclo Superior, Desarrollo de aplicaciones informáticas, Ciclo Superior, Desarrollo de aplicaciones informáticas at I.E.S A Carballeira
Github Skills (27)
geb8
ubuntu6
grails5
concurrent5
parallel4
snap4
java4
ansible4
shell4
arch3
rootfs3
archlinux3
scalable3
programming-language3
testing3
Programming languages (4)
Github contributions (5)
9ci/ddlutils
Nov 2013 - Nov 2013
Contributions:7 commits in 16 days
hgarfer/.dotfiles
May 2020 - Jul 2022
Contributions:27 commits, 26 pushes, 3 branches in 2 years 1 month
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