Mobile Software Developer (React Native)

Описание вакансии

Hi! We are ElmoSoft, an IT company building high-load trading products for an internationally acclaimed multi-asset broker.

Currently, we're looking for a Mobile Software Developer (React Native) to join our team — we're considering both Mid-Level and Senior candidates. The stack and direction are the same; the level of responsibility, architectural ownership, and mentorship load differ.

What you will do:

Mid-Level

Develop, maintain, and optimize mobile apps using React Native.
Independently build reusable UI components and implement complex features.
Integrate and enhance native functionality in Swift/SwiftUI (iOS) and Kotlin/Jetpack Compose (Android) when needed.
Collaborate with Product, Design, Backend, and QA teams to define requirements and deliver solutions.
Implement and maintain automated tests (unit, integration, e2e) using Detox or Appium.
Monitor production systems, troubleshoot issues, and deliver performance improvements.
Participate actively in code reviews, share knowledge, and enforce coding standards.
Document all work, including API usage, components, and deployment notes.
Contribute to CI/CD pipeline improvements and release process optimizations.
Begin mentoring junior developers — guide debugging, testing, and mobile best practices.

Senior-Level

Lead the development of complex mobile app features in React Native and native modules.
Define and enforce coding standards, architectural guidelines, and testing strategies.
Analyze and solve performance, scalability, and production-level issues.
Design modular, reusable components and scalable architectures.
Oversee automated testing strategies — grow test coverage with Detox, Jest, Appium.
Review code for architectural integrity, performance, and maintainability.
Document architectural decisions, system dependencies, and release notes.
Identify system risks and propose refactoring or architecture improvement projects.
Mentor junior and mid-level mobile developers - transfer knowledge and build team capability.
Evaluate and recommend mobile tools, frameworks, or platform-specific enhancements.
Stay updated with industry trends, mobile best practices, and emerging technologies.

Tech stack:

Core: React Native
Native: Swift/SwiftUI (iOS), Kotlin/Jetpack Compose (Android)
Testing: Detox, Appium, Jest
APIs & Data: REST, GraphQL, caching, offline-first strategies, local storage
CI/CD: Deployment automation, release pipelines, App Store operations
Performance: Profiling, memory optimization, crash prevention, startup time

Key requirements:

Mid-Level

3–5 years of experience in mobile development, with strong React Native experience.
Solid understanding of native app development (iOS/Android) integration points.
Experience integrating APIs, third-party services, and local storage solutions.
Knowledge of mobile app performance optimization techniques.
Hands-on experience in mobile CI/CD, deployment automation, and test coverage tools.
Good understanding of mobile accessibility, UX/UI standards, and responsive design principles.

Senior-Level (in addition to the above)

5+ years of professional mobile development experience, with deep React Native expertise.
Strong background in native mobile development — Swift/SwiftUI and Kotlin/Jetpack Compose.
Hands-on experience designing modular, reusable components and scalable architectures.
Solid understanding of REST APIs, GraphQL, caching, and offline-first mobile strategies.
Advanced skills in performance tuning, app profiling, memory optimization, and crash prevention.
Proficient in mobile testing frameworks and automated testing pipelines.
Experience managing CI/CD for mobile apps, deployment pipelines, and app store operations.

What we offer:

An interesting fintech project with real responsibility and room to make technical decisions.
Collaboration with strong professionals, offering opportunities to learn and grow.
Competitive salary linked to USD.
Hybrid after probation: first 3 months fully office-based, then 3 days office/2 remote.
Medical insurance (DMS).
Modern office in the center of Minsk at Fabriziusa St. 8B/1.

Join the team that is building the future of trading technology ?

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О компании «ЭлмоСофт»