Android Developer, Mobile Ticketing Platform
Confirmed on the employer's own hiring board on Oct 31, 2026. First seen by Alion on Oct 12, 2026. DataArt scores B on the Alion truth index.
DataArt is modernizing the IT system of an independent online railway ticket retailer. We hire for the company, not just the project-ensuring smooth transitions between assignments or paid idle time.
In this role, you’ll optimize digital products using data-driven experimentation and analytics. You’ll use tools like Statsig to run large-scale A/B and multivariate tests, apply advanced statistical models (e.g., CUPED, Bayesian Autotune), automate traffic allocation to top-performing variants, manage feature flagging with gradual rollouts, kill switches, and targeting, and link feature flags to product metrics.
The client engages users through a mobile app, responsive web application, and call center. The system is complex and must comply with numerous regulations.
The system is built on a microservice architecture with continuous integration. Hundreds of components run independently on AWS, increasing modularity and optimizing service usage.
- Refactor and expand the ticket-selling system
- Develop, enhance, and maintain high-quality, scalable code
- Collaborate with cross-functional teams to implement new features and support experimentation initiatives
- 6+ years of Android development experience using Kotlin
- Experience in experimentation and R&D
- Hands-on experience with Statsig or similar platforms
- Strong Clean Code and OOP skills
- Knowledge of MVVM, MVP, MVI
- Experience with unit testing and working without dedicated QA engineers
- Understanding of SOLID principles
- Familiarity with Agile development methodology
- Good spoken English