Staff/ Principal Software Engineer - Mobile (React Native)
Department: Product Engineering
Location: Singapore, Hong Kong, Malaysia, Taiwan, Vietnam, South Korea
Employment Type: FullTime
✅ 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 You’ll 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
There are more than 50,000 engineering jobs:
Subscribe to membership and unlock all jobs
Engineering Jobs
60,000+ jobs from 4,500+ well-funded companies
Updated Daily
New jobs are added every day as companies post them
Refined Search
Use filters like skill, location, etc to narrow results
Become a member
🥳🥳🥳 452 happy customers and counting...
Overall, over 80% of customers chose to renew their subscriptions after the initial sign-up.
To try it out
For active job seekers
For those who are passive looking
Cancel anytime
Frequently Asked Questions
- We prioritize job seekers as our customers, unlike bigger job sites, by charging a small fee to provide them with curated access to the best companies and up-to-date jobs. This focus allows us to deliver a more personalized and effective job search experience.
- We've got over 200,000 jobs from 15,000+ vetted companies. No fake or sleazy jobs here!
- We aggregate jobs from 15,000+ companies' career pages, so you can be sure that you're getting the most up-to-date and relevant jobs.
- We're the only job board *for* software engineers, *by* software engineers… in case you needed a reminder! We add thousands of new jobs daily and offer powerful search filters just for you. 🛠️
- Every single hour! We add 2,000-3,000 new jobs daily, so you'll always have fresh opportunities. 🚀
- Typically, job searches take 3-6 months. EchoJobs helps you spend more time applying and less time hunting. 🎯
- Check daily! We're always updating with new jobs. Set up job alerts for even quicker access. 📅
What Fellow Engineers Say