iOS Developer, Mobile Ticketing Platform
- Belgrade
- Cluj-Napoca
- Dnipro
- Kharkiv
- Krakow
- Kyiv
- Larnaca
- Lodz
- Lublin
- Lviv
- Odesa
- Remote.Bulgaria
- Remote.Georgia
- Remote.Poland
- Riga
- Sofia
- Tbilisi
- Varna
- Warsaw
- Wroclaw
- Yerevan
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Client
Project overview
The system is built on a microservice architecture with continuous integration. Hundreds of components run independently on AWS, increasing modularity and optimizing service usage.
Team
Position overview
In this role, you will enhance digital products through data-driven experimentation and analytics. Responsibilities include running large-scale A/B and multivariate tests using tools like Statsig, applying advanced statistical methods such as CUPED and Bayesian Autotune, automating traffic allocation to optimize feature performance, managing feature flagging with gradual rollouts, kill switches, and targeting, and linking feature flags directly to product metrics.
Technology stack
UI: SwiftUI, UIKit
Concurrency: GCD, Swift Concurrency
Persistence: CoreData
Tooling: SPM, TestFlight, Figma
Testing: Unit Testing, UI Testing, A/B Testing
Responsibilities
- 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
Requirements
- 6+ years of iOS development experience using Swift
- Experience in experimentation and R&D
- Hands-on experience with Statsig or similar platforms
- Strong Clean Code and OOP skills
- Knowledge of SwiftUI and UIKit
- Experience with unit testing and working without dedicated QA engineers
- Understanding of SOLID principles
- Familiarity with Agile development methodology
- Good spoken English
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We offer
Vacation
As per the laws of your country. We do ask you to take a proper rest
Health insurance
We help you to take out an insurance policy for you and your loved ones
Sick pay
10 days without a doctor's note, afterwards - as per the laws of your country
Time off for state holidays
According to the official calendar, regardless of the client’s schedule
Pleasant environment
Two large corporate parties and many small get-togethers for colleagues
Comfort service
Solving technical and everyday problems at work
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