Kostiantyn Kalinin
Full Stack Developer at OBJECT CONTROL LLC
Kyiv, Ukraine
Summary
👤
Senior🎓
Top SchoolKostiantyn Kalinin is a Full Stack Developer and data-focused engineer with eight years of commercial experience building and optimizing web applications and databases across healthcare and insurance domains. He combines strong backend expertise in .NET, APIs and MySQL with front-end skills in Angular/TypeScript and practical AWS and Docker deployment experience. A certified MySQL specialist, he routinely authors complex stored procedures, redesigns partitioned tables, and implements versioned hotfix systems to keep mission-critical services reliable. His work includes integrating with national eHealth systems and maintaining legacy software while evolving SaaS templates and insurance calculators. Colleagues rely on him for query-performance tuning, architecture decisions and pragmatic analytics-driven solutions that bridge engineering and data needs. Based in Kyiv, he pairs a mathematics master’s background with a hands-on, systems-first approach to shipping maintainable products.
8 years of coding experience
4 years of employment as a software developer
Магістр, Mathematics, 4, Магістр, Mathematics, 4 at Taras Shevchenko National University of Kyiv
Github Skills (23)
toasts8
swiftui-framework7
toast7
swiftui6
popup6
swift3
flutter3
ios3
grouped-bar-chart3
kotlin2
android2
charts1
graph1
barchart1
openvpn1
Programming languages (3)
Github contributions (5)
KostyaBunsberry/Dream-Price
Jul 2020 - Jul 2021
Contributions:51 commits, 4 PRs, 31 pushes in 1 year
Natasha-rare/Equalife
Jul 2021 - Aug 2021
Useful app with Smart news from different services. Wish u'll like it ^.^
Contributions:24 commits, 35 PRs, 51 pushes in 15 days
androidkotlinflutternewswish
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