Donatas Mažionis
Staff Engineer at Vinted
Vilnius, Vilnius County, Lithuania
Summary
👤
Senior🎓
Top SchoolDonatas Mažionis is a Staff Engineer with 14 years of experience building high-performance, reliable distributed systems across C, C#, Scala, Go, Python and Java. He designed and shipped low-latency, high-throughput ad-serving and real-time bidding platforms at Adform (peaking at 1.8M HTTP req/sec and p99 ~100ms) and has since held senior engineering and leadership roles at companies including Amazon, Revolut, Flo Health and Vinted. Comfortable across Windows and Linux deployments, he focuses on scalable architectures, big data pipelines and 24x7 availability. Colleagues know him for pragmatic system design that balances performance with operational simplicity, and for bringing a polyglot, data-informed mindset to complex production challenges.
14 years of coding experience
20 years of employment as a software developer
Master, Software Engineering, Master, Software Engineering at Vilniaus universitetas / Vilnius University
English
Github Skills (47)
aws10
cpp10
csharp10
dotnet9
objective-c9
terraform9
terraform-provider9
gcp9
ruby9
python9
databricks9
coreclr9
dotnet-core9
php9
keras9
Programming languages (3)
Github contributions (5)
donatasm/HttpReactor
Dec 2014 - Aug 2017
Contributions:16 commits, 1 push in 2 years 8 months
donatasm/terraform-provider-databricks
Jan 2024 - Sep 2024
Databricks Terraform Provider
Contributions:2 releases, 9 pushes, 5 branches in 7 months
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