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Senior Software Engineer - Mobile (React Native) at IO Tech Solutions Limited · web2ua

Jobs
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IO Tech Solutions Limited
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Senior Software Engineer - Mobile (React Native)

Senior Software Engineer - Mobile (React Native)

IO Tech Solutions LimitedHong Kong only

Apply now

Opens the original posting on Himalayas.

Apply now Source: Himalayas

Apply on the original site

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Job Responsibilities

Architect, build, and maintain high-performance React Native applications for iOS and Android
Act as technical lead for mobile, owning architecture decisions, coding standards, and best practices
Ensure code quality, performance, stability, and scalability across the entire mobile codebase
Lead and conduct thorough code reviews, setting a high engineering bar
Mentor and guide other mobile engineers, supporting their technical growth

Collaborate closely with product, backend, design, and QA teams to deliver features end-to-end

Proactively identify and resolve performance bottlenecks, memory issues, and app stability risks

Define and improve mobile development workflows, testing strategy, and release processes

Stay current with React Native, iOS, and Android ecosystem changes and recommend improvements

Core Requirement

8+ years of professional mobile development experience (iOS, Android, or both)
3+ years of hands-on React Native experience in production apps
Strong leadership experience as a tech lead or senior engineer, with ownership of mobile code quality
Expert-level TypeScript / JavaScript knowledge and clean code practices
Solid understanding of mobile app architecture, performance optimization, and memory management
Experience working with native mobile tooling (Xcode, Android Studio, Gradle, CocoaPods, etc.)
Strong experience integrating with REST APIs, authentication flows, and secure data handling
Familiarity with mobile CI/CD pipelines, app store release processes, and versioning strategies
Ability to make pragmatic technical decisions and communicate trade-offs clearly

Nice to Have

Experience with Redux, Zustand, or other state-management patterns
Automated testing (Jest, Detox, E2E testing)

Experience with GraphQL

Performance profiling and crash analytics (e.g. Firebase, Sentry) Exposure to crypto, fintech, or web3 products

What Youll Get:

Competitive salary and benefits
High ownership and real technical influence over a core product
Opportunity to work on complex, high-performance apps in the crypto trading space
Global, remote-first team with strong engineering culture
Fast-moving environment where your decisions directly impact users
Originally posted on Himalayas

Apply now

Opens the original posting on Himalayas.

Apply now Source: Himalayas

Apply now

Opens the original posting on Himalayas.

Apply now Source: Himalayas

About the job

Apply before: Dec 10, 2026
Posted on: Oct 11, 2026
Job type: Full Time
Experience level: Senior
Location requirements: Hong Kong
Hiring timezones: UTC+8
Job categories: Developer
Skills: Android Developer iOS Developer Mobile Application Developer React Native Developer Senior Mobile Application Developer (IOS Android)Senior Mobile Developer Senior Mobile Engineer Senior Mobile Engineering Senior React Native Engineer

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About IO Tech Solutions Limited

IO Tech Solutions Limited

Company profile

Senior React Native Mobile Developer

Software Engineer