Martina Fernández is a Principal Software Engineer specializing in security with 15 years of experience building cloud-native infrastructure and developer-facing platforms. Currently at Equinix, she drives operational excellence by rolling out platform and security tools like Backstage, Hashicorp Vault, Sigstore and Sysdig, and has deep hands-on experience with EKS, Terraform and AWS from her time building Roadie’s Backstage SaaS. She has held leadership roles including CTO at Roadie and lead backend engineering at Spotify, where she helped develop System-Z (the precursor to Backstage) and contributed to the popular open-source Apollo Java microservices project. Martina blends product-minded engineering with security and compliance ownership (SOC2, data privacy), and is comfortable partnering with customers and cross-functional teams to translate needs into secure, scalable solutions. Her early work in HPC, ML for medical imaging and parallelized C++ demonstrates an unusual breadth—from supercomputing and research to large-scale production services. Based in Madrid, she pairs deep technical craftsmanship with strategic leadership across engineering, security and developer experience.
15 years of coding experience
15 years of employment as a software developer
MSc in Computer Science, MSc in Computer Science at Universidad Politécnica de Madrid
Java libraries for writing composable microservices
Role in this project:
Back-end Developer
Contributions:2 releases, 27 commits, 35 PRs in 4 months
Contributions summary:Martina primarily focused on enhancing the Apollo Java libraries. Their contributions include adding logging for remote IP addresses, implementing case-insensitive header lookups, and removing deprecated methods. They also addressed issues related to header handling and updated the version of the project. The user's work is centered around API improvements and maintenance tasks within the project.
Backstage is an open platform for building developer portals
Contributions:2 PRs, 40 pushes, 9 branches in 2 years 4 months
backstage
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Martina Fernández - Principal Software Engineer at Equinix