Valentyn Danylchuk
Lead Developer at Traffics GmbH
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolValentyn Danylchuk is a Lead Developer based in Berlin with two decades of software engineering experience and nine years focused on backend systems in the travel and payments domains. He architects and implements high-performance Scala data backends and web services that process large volumes of travel offers, enabling new data brokerage deals and improved search relevance. His career blends enterprise Java microservices, MongoDB-backed Scala services, and client-side Objective-C/Cocoa work, reflecting a rare full-stack fluency across languages and platforms. At Traffics he leads R&D on data flow optimization and search technology, turning messy market data into monetizable, searchable products. Known for pragmatic problem-solving, he pairs hands-on coding with team leadership and a history of shipping production systems for both startups and established companies.
10 years of coding experience
13 years of employment as a software developer
High School, Physics & Mathematics, High School, Physics & Mathematics at Zhitomir Technical LyceumSpecialist, Software Engineering, Specialist, Software Engineering at Žitomirs'kij Inženerno-tehnologicnij Institut
English, German, Russian, Ukrainian
Stackoverflow
467reputation
89kreached
7answers
3questions
Github Skills (24)
scalajs9
machine-learning8
scala8
simulation7
monte-carlo7
playframework6
mosaic6
akka-streams6
android6
alpakka6
visualvm6
sbt6
event-handling6
java6
aether6
Programming languages (4)
Github contributions (5)
valdanylchuk/swiftlearner
Jul 2016 - Jan 2023
SwiftLearner: Scala machine learning library
Contributions:57 commits, 2 PRs, 58 pushes in 6 years 7 months
machine-learningscala
valdanylchuk/songs
Jul 2018 - Aug 2018
Contributions:14 commits, 71 pushes, 1 branch in 13 days
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