Andrey Marchenko
Potsdam, Brandenburg, Germany
Summary
🤩
RockstarAndrey Marchenko is a Senior Software Engineer with 11 years of experience building high-throughput, resilient systems from startups to large platforms, currently working on CI visibility for Ruby at Datadog. He has a strong track record of diagnosing and fixing production performance and memory issues—most notably uncovering a GC problem at Shopify that improved 99th-percentile latency by 30%. Andrey designs and delivers cross-team features and architectures, from leading Orders-related integrations at Shopify to driving a dynamic-pricing rollout at SHARE NOW that boosted utilization and profits. He brings practical polyglot experience in Ruby, Elixir, Java, and distributed pipelines, having rewritten a critical ingestion pipeline in Elixir to cut incidents from ~20/year to one. Comfortable both leading small teams and contributing deep technical fixes, he also introduced ADRs and helped organizations adopt Kubernetes and GraphQL, showing a habit of improving team processes as well as code. Based in Potsdam, Germany, he combines pragmatic engineering with an eye for systemic improvements that save months of effort.
11 years of coding experience
Github Skills (97)
hugo10
python10
testing10
distributed-tracing10
security10
ruby10
profiling10
opentelemetry10
audit-trail10
monitoring10
javascript10
dotnet10
sidekiq10
debugging10
observability10
Programming languages (15)
Github contributions (5)
anmarchenko/igroteka_fe
Nov 2021 - Apr 2025
Frontend for a games backlog management application
Contributions:21 PRs, 48 pushes, 1 branch in 3 years 6 months
frontendbackloggamesjavascriptreact
anmarchenko/quotes-rails
Jun 2024 - Feb 2026
Example rails app
Contributions:42 PRs, 174 pushes, 20 branches in 1 year 8 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.