Maria Efimenko
Senior Software Engineer at Adjust
Freiburg im Breisgau, Baden-Württemberg, Germany
Summary
🤩
Rockstar🎓
Top SchoolMaria Efimenko is a Senior Software Engineer based in Freiburg with eight years of experience building backend systems, primarily in Go. She progressed from analyst and junior developer roles to core backend and senior engineering positions at Emerging Travel Group and Adjust, demonstrating a strong blend of analytical rigor and production-grade engineering. Trained with a Master's in Mathematics from Lomonosov Moscow State University, she brings a quantitative mindset to designing reliable, scalable services. Beyond coding, she has led training efforts and built automation for complex banking workflows earlier in her career, reflecting an ability to translate domain complexity into pragmatic technical solutions. Colleagues know her for quickly mastering new technologies and consistently delivering value in high-throughput backend environments.
8 years of coding experience
4 years of employment as a software developer
Master's degree Mathematics, Master's degree Mathematics at Московский Государственный Университет им. М.В. Ломоносова (МГУ)
Русский, English, German
Stackoverflow
167reputation
12kreached
8answers
0questions
Github Skills (129)
echo10
websocket10
message-queue10
go-web-framework10
middleware10
letsencrypt10
micro-framework10
sdk10
rest10
golang10
fiber10
high-performance10
admin10
http-server10
go10
Programming languages (4)
Github contributions (5)
mariaefi29/blog
Sep 2018 - Feb 2021
My personal website
Contributions:1 release, 13 pushes, 1 branch in 2 years 5 months
ajaxcssgolangjavascriptmongodb
mariaefi29/xlsx2csv
Mar 2020 - Dec 2020
Simple io.Reader-compatible library which converts an XLSX sheet to CSV row by row
Contributions:12 pushes, 2 branches in 8 months
xlsxcsvsheetcsv-rowreader
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