Ilia Kalinichev
Senior Backend Developer at Mejuri
Old Toronto, Ontario, Canada
Summary
👤
Senior🎓
Top SchoolIlia Kalinichev is a Senior Backend Developer with nine years of experience designing and shipping resilient e-commerce and fintech systems, currently based in Old Toronto. He specializes in event-driven architectures, AWS SNS/SQS integrations, and transforming synchronous stock and promotions logic into scalable, event-based models for high-traffic retail scenarios. At Mejuri he led complex returns/refunds flows, redesigned Black Friday promotion handling for combined offers, and built an influencer program, reflecting a strong grounding in both business rules and system reliability. His background spans startups and scale-ups—shipping MVPs, reworking legacy Spree platforms, dockerizing monoliths, and building anti-fraud and compliance tooling in the crypto space. Comfortable mentoring teams and owning APIs end-to-end, he brings a pragmatic, product-focused engineering approach and a knack for untangling tricky edge cases that emerge at payments and inventory boundaries.
10 years of coding experience
4 years of employment as a software developer
Bachelor's degree, Computer Systems Analysis/Analyst, Bachelor's degree, Computer Systems Analysis/Analyst at National mineral resources university (University of mines)
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (4)
rspec5
authy4
ruby3
hanami3
Programming languages (4)
Github contributions (5)
ikzekly/pirc
Sep 2018 - Feb 2019
messenger api · based on Grape and Rails
Contributions:24 PRs, 103 pushes, 28 branches in 5 months
ruby-on-railsapirailsrubygraphql
ikzekly/dotfiles
Aug 2018 - Feb 2026
Contributions:11 PRs, 13 pushes, 6 branches in 7 years 7 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.