Denis Koltsov
Lead Developer at Uniplay
Stockholm, Sweden
Summary
👤
Senior🎓
Top SchoolDenis Koltsov is a pragmatic software leader with 14+ years of experience building scalable web and backend systems, now leading development at Uniplay in Stockholm. He blends hands-on engineering (from React front-ends to Go Lambdas and Node.js microservices) with team leadership and product-focused delivery, having driven zero-downtime migrations and sub-50ms backend response targets at Paradox. Comfortable across the stack, Denis has shepherded payment and player-service architectures, optimized high-throughput data pipelines, and run teams of seven while staying deeply involved in implementation. His background working with top Swedish tech clients and rapid product launches (Urb-it, Lazada, fintech platforms) gives him a strong sense for shipping pragmatic, customer-oriented features. Colleagues describe him as an empathetic organizer who balances big-picture thinking with relentless attention to performance and developer experience.
14 years of coding experience
17 years of employment as a software developer
Bachelor’s Degree Computer Engineering, Bachelor’s Degree Computer Engineering at Moscow State University of Printing Arts (MGUP)Mathematics and Computer Science, Mathematics and Computer Science at 2-nd Lyceum, Cheboxary, Russia51-th school, Cheboxary, Russia
English, Russian, Swedish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (200)
animated10
stimulusjs10
use-strict10
polling10
media-keys10
sortable10
middleware10
turbo10
user-interface10
higher-order-component10
frontend10
hammer10
declarative10
html-webpack-plugin10
reducers10
Programming languages (14)
Github contributions (5)
rebem/starter-kit
Dec 2015 - May 2017
Contributions:22 commits, 8 pushes, 4 branches in 1 year 5 months
yummies/dom
Aug 2015 - Dec 2015
Contributions:1 release, 19 commits, 13 pushes in 4 months
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