You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Yurii BabiiYB

Yurii Babii

Lead Mobile Engineer

€550/day
Nice, FR
8-15 years

Average response time: 1 hour

About Yurii

Lead Android Engineer with 8 years building reliable, user-centric mobile products.

Key achievements:
• Led mobile teams at Epicentr K (Ukraine's largest retailer) and UAdemy (21k downloads, 4.9★ rating)
• Hardened reliability at DraftKings handling 12M bets from 2.5M users during Super Bowl peaks
• Built teams from scratch, established CI/CD pipelines and mentored engineers
• Deep expertise in Kotlin, Jetpack Compose, and modern Android architecture

Looking to lead wellbeing and productivity products with healthy engineering culture that ships inclusive, habit-forming experiences.
  • English

    Native or bilingual

  • French

    Basic

  • Ukrainian

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Experience DraftKings Inc.
    Senior Software Engineer
    TECH
    October 2021 - Today (4 years and 8 months)
    Nice, France
    Operated in high-stakes, high-scale conditions with 12M bets from 2.5M users. Hardened reliability and on-call response during Super Bowl peaks of 59k bets/min. Drove stability, observability, and performance improvements using native Android with Kotlin, Jetpack Compose, and monitoring tools like New Relic and Crashlytics.
    Kotlin Android Mobile application Tech Lead Flutter
  • Gemplay (UAdemy)
    Founder / Lead Developer
    November 2020 - March 2022 (1 year and 4 months)
    Founded and led UAdemy, a remote team of 6 through wartime constraints in Ukraine, successfully launching the iOS app with 21k installs and a 4.9-star rating. Managed product roadmap, team coordination, and steady delivery cycles amid challenging circumstances.
    iOS Android Mobile application Flutter Mobile development
  • Epicentr K
    Head of Mobile Application Development
    March 2020 - July 2020 (4 months)
    Built and led the mobile department from the ground up at Epicentr K, Ukraine's largest retailer. Launched the in-house apps department, established architecture standards, implemented CI/CD pipelines and release trains, and hired & mentored a team that shipped multiple internal applications.
    Continuous Integration and Continuous Delivery (CI/CD) Mobile application iOS Android Team management

Recommendations

Be the first to recommend Yurii

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Jetpack Compose Masterclass Philipp Lackner
    Jetpack Compose Masterclass Philipp Lackner
  • Bachelor's degree in Computer Science
    Bachelor's degree in Computer Science

Skill set

Categories