Alex Korsak
Node.js Developer at EffectiveSoft
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolAlex Korsak is a Node.js developer with 15 years of software engineering experience, currently focused on backend systems at EffectiveSoft in Warsaw. He builds full-stack solutions using Node, Express, TypeScript, Postgres, Mongo, and React, and is comfortable owning problems end-to-end without heavy supervision. Alex contributes to open-source tooling—adding Kafka output and improving Docker and header parsing for the well-known GoReplay project—demonstrating practical experience with backend integration and DevOps. Colleagues describe him as responsive and collaborative, always ready to support teammates while driving technical improvements. He pairs formal training in automatic information processing with a continuous appetite for learning and shipping new, reliable features.
15 years of coding experience
2 years of employment as a software developer
Bachelor's degree, Automatic Information Processing and Control Systems, Bachelor's degree, Automatic Information Processing and Control Systems at Belarusian State University of Informatics and Radioelectronics
Github Skills (11)
kafka10
go10
devops10
mstest9
testing9
teste9
ui-testing9
json9
testing-library9
dockers7
docker7
Programming languages (16)
Github contributions (5)
buger/goreplay
Oct 2016 - Dec 2016
GoReplay is an open-source tool for capturing and replaying live HTTP traffic into a test environment in order to continuously test your system with real data. It can be used to increase confidence in code deployments, configuration changes and infrastructure changes.
Role in this project:
Backend & DevOps Engineer
Backend & DevOps EngineerContributions:9 commits, 2 PRs, 3 comments in 1 month
Contributions summary:Alex primarily contributed to adding Kafka output functionality to the GoReplay tool. This involved integrating with the Kafka messaging system, including creating a new Kafka output plugin, configuring settings for Kafka, and formatting request data into JSON messages. The user also made modifications to the build process, fixed a Docker build issue, and addressed header parsing to correctly handle complex user-agent strings.
golangconfidencecapturingdevopstesting
oivoodoo/backbone-queues
Jan 2012 - Feb 2014
Contributions:11 commits in 2 years
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