iOS Developer (Crypto Trading Platform)

We are looking for a skilled iOS Developer to join a high-performance engineering team building a next-generation crypto trading platform. You will work on user-facing mobile applications used for real-time trading, portfolio management, and financial operations in a fast-paced, data-driven environment.

This role requires strong technical expertise, attention to performance and security, and a product mindset — as you will directly impact how users interact with trading systems, market data, and financial assets.

Details

Location: Ukraine/EU

Employment Type: Full-time, remote

Start Date: ASAP

Industry: Crypto / Trading / FinTech

Language Requirements: English — B2 or higher

Key Responsibilities

Design, develop, and maintain iOS applications for a crypto trading platform

Build responsive, high-performance UIs for real-time market data, charts, and trading flows

Integrate with backend services handling trading, order execution, and account management

Work closely with product, backend, and QA teams to deliver user-centric features

Ensure high standards of performance, stability, and security in financial applications

Implement secure authentication flows (2FA, biometrics, wallet integrations)

Participate in code reviews and contribute to architecture and technical decisions

Support release cycles, monitor app performance, and continuously optimize the product

Stay up to date with iOS ecosystem updates and mobile best practices

Requirements

4+ years of professional experience in iOS development

Strong knowledge of Swift and iOS SDK

Experience with modern iOS architectures (MVVM, Clean Architecture, or similar)

Hands-on experience integrating REST APIs and working with real-time data (WebSockets is a plus)

Solid understanding of mobile security best practices, especially in financial applications

Experience with Git-based version control systems

Familiarity with Agile/Scrum environments

Strong problem-solving skills and attention to detail

Ability to work independently in a fast-paced, product-driven environment

English level B2 or higher

Nice to Have

Experience in crypto, trading platforms, or financial applications

Experience with real-time systems, order books, or market data feeds

Knowledge of Combine, RxSwift, or SwiftUI

Experience implementing WebSockets or streaming data

Familiarity with CI/CD pipelines for mobile apps

Experience with mobile testing frameworks and automation