Claes Gyllensvärd
Senior Software Engineer at ESL FACEIT Group [EFG]
Växjö, Sweden
Summary
👤
Senior🎓
Top SchoolClaes Gyllensvärd is a Senior Software Engineer with 15 years of experience building scalable web systems and modern microservices architectures. He combines hands-on backend development in Go, PHP and TypeScript with strong DevOps practice—Kubernetes, Docker and AWS—to improve reliability, cost-efficiency and deployment velocity. At ESL FACEIT Group he led a microservices overhaul, introduced testing and static analysis across the lifecycle, and advanced CI/CD practices that reduced bugs and sped releases. His background includes breaking down monoliths into distributed systems at The Economist and practical experience with GraphQL, DynamoDB and React. Claes is pursuing CKAD certification and studies domain-driven design to align architecture with business needs, reflecting a strategic blend of engineering and product thinking. Colleagues describe him as a detail-oriented problem-solver who mentors teams while shipping robust, production-grade solutions.
15 years of coding experience
13 years of employment as a software developer
Växjö Fria Gymnasium
English, Spanish, German, Swedish
Stackoverflow
11reputation
1kreached
0answers
1question
Github Skills (200)
marketing-tools10
servo10
automation10
esbuild-plugin10
browser10
json10
php10
mautic10
marketing-automation10
gherkin10
marketing10
behavior-driven-development10
javascript10
sdk10
intranet10
Programming languages (15)
Github contributions (5)
letharion/yasg
May 2017 - Jul 2019
Contributions:4 commits, 4 pushes, 1 branch in 2 years 2 months
letharion/Gentoo-overlay
Jun 2015 - May 2021
Contributions:25 pushes in 6 years
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