Android Developer, Mobile Ticketing Platform

DataArt is seeking an Android Developer to enhance the IT system of an independent online railway ticket retailer in Armenia. The role involves optimizing digital products through data-driven experimentation and analytics. Candidates will utilize tools such as Statsig for conducting large-scale A/B and multivariate tests, implement advanced statistical models like CUPED and Bayesian Autotune, and automate traffic allocation to the best-performing variants. Additionally, the developer will manage feature flagging, including gradual rollouts and kill switches, while linking these flags to product metrics. The client is a prominent player in the transportation sector, generating over €100 million in annual revenue and launching a new international ticket sales platform. The project features a complex system that operates via a mobile app, responsive web application, and call center, all built on a microservice architecture with continuous integration on AWS. This position is full-time and is suitable for individuals with relevant experience in mobile development and a strong analytical background.