Borislav Stoilov is a Senior Software Engineer with 11 years of experience building Java backend systems and a strong SRE/platform focus, currently improving CI/CD, observability, and cost efficiency at Vonage. He has repeatedly cut infrastructure spend and lead times—migrating CI to GitHub Actions for 5× parallelism, moving builds to Graviton runners to save 25%, and consolidating services and artifacts to speed builds and deployments. Comfortable across the stack, he combines hands-on service migrations, Prometheus/Grafana observability work, and QA automation to drive reliability from development to production. He has a pragmatic eye for ops-first optimizations (e.g., ElasticSearch→DynamoDB cost wins) and mentors engineers to use metrics to debug and own services. Based in Catalonia with a background in Informatics and IT project management, he brings both technical depth and process leadership to platform modernization efforts.
11 years of coding experience
11 years of employment as a software developer
Mathematics and German, Mathematics and German at Mathematical Highschool 'Acad.Kiril Popov'
Master in IT Project Management Information Technology Project Management, Master in IT Project Management Information Technology Project Management at New Bulgarian University
Bachelor's degree Informatics, Bachelor's degree Informatics at Sofia University St. Kliment Ohridski
Contributions:11 releases, 4 reviews, 52 commits in 2 years 9 months
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