Valerii Kantor
Senior Software Engineer at Mastercard
Burnaby, British Columbia, Canada
Summary
👤
Senior🎓
Top SchoolValerii Kantor is a Senior Software Engineer and team lead based in Burnaby, BC with 11 years of experience building full-stack systems and guiding cross-functional teams. He designs scalable backend architectures (Java, Spring, MySQL, MongoDB, Redis, RabbitMQ) and modern frontends (TypeScript, React) and has a proven track record of performance and cost optimizations that boosted coverage, reduced bugs, and cut expenses across multiple projects. At GlobalBet he led efforts that accelerated deployments, slashed database load and WebSocket issues, and drove a 5x customer growth through a React rewrite and video streaming work. Now at Mastercard, he continues to blend hands-on engineering with team leadership and architecture design, while actively exploring machine learning to expand his technical toolkit. An engineer who moves between deep technical fixes (caching, connection handling, streaming) and people-first leadership, he also maintains an active GitHub presence for sharing practical solutions.
11 years of coding experience
13 years of employment as a software developer
Master's degree Systems Programming, Master's degree Systems Programming at Donetsk National Technical University
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (8)
client-library9
api8
java7
api-client7
docker-java7
java-api7
docker6
docker-api5
Programming languages (2)
Github contributions (5)
golgotha/i18n-tools
Aug 2018 - Sep 2023
Contributions:2 PRs, 19 pushes, 3 branches in 5 years 2 months
VictoriaMetrics/metrics-java
May 2022 - Dec 2022
Contributions:9 reviews, 38 commits, 20 PRs in 7 months
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