Remote job
Senior iOS Engineer
Job details
About this role
Role overview
Help evolve a widely used iOS trading application through a major redesign, architectural improvements, and new product features. The role combines platform-level engineering with hands-on development of user-facing capabilities, including adaptive interfaces for different screen sizes and device families.
Responsibilities
- Shape application architecture and technical direction in a modular, multi-module codebase. - Build and improve iOS features, including programmatic interfaces and adaptive layouts. - Integrate REST APIs and persistent WebSocket or other socket connections. - Work with Core Data, concurrency, and asynchronous operations to support performance and stability. - Refactor legacy code while preserving existing behavior, and investigate bugs and performance issues. - Maintain unit and UI test coverage and collaborate with QA, design, product, and engineering colleagues.
Requirements
- Strong Swift skills and practical knowledge of the iOS SDK, including UIKit, Core Data, and Core Animation. - Experience with Auto Layout, Interface Builder, REST APIs, JSON, and persistent socket connections. - Background maintaining and improving existing applications, and writing unit and UI tests; XCTest and Quick/Nimble experience is relevant. - Knowledge of object-oriented design, iOS architecture patterns such as MVC, MVVM, or VIPER, and modular projects. - Practical RxSwift experience, plus an understanding of multithreading and asynchronous iOS programming. - Experience with third-party dependencies; fluent Russian and at least B1 English.
Nice to have
- Experience with fintech, trading, or other high-load products with large user bases. - Basic C++ knowledge or experience connecting Swift code with C++.
Benefits and work setup
- Full-time remote work under a service-provider contract, with compensation in euros and 20 paid days off annually. - Corporate access to AI tools and a rewards marketplace that includes products and language courses. - Opportunity to contribute ideas and influence architecture and technical direction. The team uses two-week Scrum sprints and AI tools in development, reviews, debugging, and problem-solving.