Konstantin Pelepelin is a senior software engineer with 12+ years building complex, commercial web systems using microservice architectures and a polyglot stack including Java, Scala, TypeScript, Node.js, and PostgreSQL. He has driven backend and systems work at major studios like Electronic Arts and Jagex and currently contributes engineering leadership at Sperasoft from Belgrade. Comfortable across the full stack, he combines rigorous applied-mathematics training with hands-on QA and test automation experience—evident from contributions that strengthened the test suite of the widely used Guzzle HTTP client. Known for diving into tricky integrations and improving system reliability, he thrives on solving complex problems with passionate teams and turning brittle systems into resilient services.
12 years of coding experience
22 years of employment as a software developer
Master's degree, Applied Mathematics, Master's degree, Applied Mathematics at Peter the Great St.Petersburg Polytechnic University
Contributions summary:Konstantin primarily focused on enhancing and maintaining the test suite for the Guzzle PHP HTTP client. They modified existing tests to expose failures, indicating an effort to improve test coverage and identify potential issues. The commits involved adjustments to various test files, covering command and visitor functionality, and ensuring proper behavior of content-type headers. Their work also addressed inconsistent variable usage within the code base.
Contributions:20 pushes, 1 branch in 4 years 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.