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.
9 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 (10)
vonage5
sms5
twilio5
api5
voice5
hanami4
authy4
rails3
rspec3
ruby3
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
Kalinichev-Ilya/rzd
Oct 2017 - Mar 2018
Contributions:14 PRs, 57 pushes, 15 branches in 5 months
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