Mobile Engineer III

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Mobile Engineer III based in United States.

This role offers the opportunity to build and scale a next-generation mobile trading experience from the ground up.

You will play a key role in establishing mobile architecture, engineering standards, and reusable development practices using React Native.

The position combines hands-on engineering, product collaboration, and technical leadership within a growing mobile platform team.

You will contribute to the full mobile development lifecycle, from MVP creation to feature delivery and production optimization.

The ideal candidate brings strong mobile expertise, a product-focused mindset, and a passion for creating seamless user experiences.

This is a high-impact opportunity to influence mobile strategy, mentor peers, and help define the future of a platform used by active traders.

Accountabilities

As a Mobile Engineer III, you will take ownership of building reliable, scalable, and high-quality mobile experiences while helping establish the technical foundation for future growth. You will collaborate closely with product, design, and engineering teams to deliver impactful features and maintain excellence across the mobile ecosystem.

• Contribute to the development of a React Native mobile application from the ground up, including MVP delivery and integration with backend platforms.
• Establish and promote scalable mobile engineering practices, including reusable components, custom hooks, TypeScript patterns, and testing approaches.
• Build end-to-end mobile features from initial design discussions through App Store and Google Play releases.
• Partner with product and design teams to transform user needs into intuitive mobile experiences while balancing technical constraints.
• Improve application quality through testing strategies, monitoring, crash reporting, debugging, and performance optimization.
• Integrate mobile applications with GraphQL APIs and backend services, ensuring efficient data handling and reliable user experiences.
• Support feature teams after MVP launch by providing mobile expertise and driving continued platform development.
• Advocate for mobile-first thinking across engineering teams by sharing best practices and platform-specific considerations.
• Lead through technical documentation, architecture discussions, code reviews, and the creation of shared engineering standards.
• Balance long-term architectural improvements with immediate product delivery priorities in a fast-moving environment.
  
  

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Requirements

The ideal candidate is an experienced mobile engineer with strong React Native expertise, a passion for product development, and the ability to influence engineering practices across teams. You should have experience delivering production mobile applications and solving complex technical challenges.

• 3+ years of professional experience building and maintaining production mobile applications with measurable impact.
• Deep expertise with React Native, including navigation, state management solutions, native module integration, and performance optimization.
• Strong TypeScript and modern JavaScript skills, including React patterns, hooks, component composition, and functional programming concepts.
• Experience shipping applications across both iOS App Store and Google Play Store environments.
• Hands-on experience integrating GraphQL clients such as Apollo Client, including caching strategies, optimistic updates, and error handling.
• Strong understanding of database concepts, including schema design, migrations, indexing, and query optimization.
• Experience optimizing mobile performance, including startup time, memory usage, bundle size, image optimization, and list rendering.
• Familiarity with production mobile operations, including crash reporting, analytics, remote configuration, and troubleshooting.
• Experience implementing testing strategies using tools such as Jest, Detox, Appium, or similar frameworks.
• Understanding of mobile CI/CD processes, automated builds, code signing, testing workflows, and app store releases.
• Strong communication skills with the ability to explain technical decisions and collaborate effectively with cross-functional teams.
• Ability to make pragmatic engineering decisions while balancing scalability, architecture, and business priorities.
• Experience in fintech, trading, financial applications, or other high-reliability environments is a plus.
• Familiarity with native iOS or Android development, real-time data technologies, mobile security practices, and complex UI patterns is preferred.
  
  

Benefits

• Competitive annual base salary range of $132,000 - $168,000, depending on experience, skills, and location.
• Performance-based bonus eligibility.
• Fully remote to hybrid work flexibility.
• Health, dental, and vision insurance coverage for full-time employees.
• Competitive 401(k) matching program.
• Seven company-paid holidays and generous family leave.
• Front-loaded paid time off with encouragement to take meaningful breaks.
• Food and grocery budget support.
• Health and wellness contributions.
• Opportunity to work on innovative mobile technology in a collaborative engineering environment
  
  

How Jobgether Works

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

Why Apply Through Jobgether?

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We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.