Andrey Chernykh
Backend Engineering Lead at SumUp
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolAndrey Chernykh is a Backend Engineering Lead based in Berlin with 11 years of experience building payment and high-throughput backend systems, currently leading EMV card-present payments and reader efforts at SumUp. He is a hands-on Elixir/Erlang/OTP specialist who moved from Ruby and .NET roots to design resilient distributed services and champion continuous delivery across distributed teams. Andrey has a solid track record of shipping mission-critical integrations (payments, Protobuf, WebSockets, RabbitMQ) and improving legacy systems through pragmatic refactors and performance work. A former software engineering manager and team lead, he combines people leadership with deep technical ownership and a habit of turning complex requirements into maintainable, test-covered solutions. Outside work he balances engineering with family life as a husband and father, which he credits for sharpening his prioritization and mentorship style.
11 years of coding experience
12 years of employment as a software developer
Master's degree, Applied Informatics, Master's degree, Applied Informatics at Baikal State University
English, Ukrainian, Russian, German
Github Skills (25)
coercion10
mixing10
elixir10
validation10
business-logic10
ddd10
erlang8
newrelic7
obsolete5
ecto5
dsl4
protocol-buffers4
opentelemetry4
database4
sql3
Programming languages (3)
Github contributions (5)
implicitly-awesome/exop_plug
Oct 2019 - Mar 2020
Provides a convenient way to validate incoming parameters of your Phoenix application's controllers by offering you small but useful DSL.
Contributions:28 commits, 2 PRs, 10 pushes in 4 months
dsl
madeinussr/swap
Aug 2017 - Jul 2018
Contributions:13 commits, 13 pushes, 1 branch in 10 months
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