Senior Mobile Engineer jobs in United States
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Zubale ยท 1 day ago

Senior Mobile Engineer

Zubale is a technology company that enables retailers to win in eCommerce. They are seeking a Senior Mobile Engineer specialized in React Native to design, build, and scale mobile applications used by thousands of users, while collaborating with cross-functional teams to deliver high-quality products.

AndroidAppsCrowdsourcingE-CommerceiOSMarketplaceRetail Technology

Responsibilities

Design and implement scalable React Native features for iOS and Android
Own core architectural decisions for mobile platforms, including navigation, state management, performance patterns, and code reuse
Integrate with backend APIs ensuring reliability, observability, and performance
Build reusable UI components and contribute to shared mobile libraries
Implement automated testing (unit, integration, end-to-end)
Optimize application performance, memory usage, and startup times
Collaborate with QA Automation to ensure high test coverage
Partner with Product and Design from ideation to delivery to ensure feasibility and clarity
Participate in code reviews, architecture discussions, and sprint planning
Identify opportunities for technical improvements that increase speed, stability, or developer experience
Drive proof-of-concepts and contribute to strategic technical roadmaps

Qualification

React NativeJavaScript/TypeScriptRN architectureMobile design patternsDebuggingProfilingCI/CD for mobileBackend integrationAI IDEsBachelor's degreeNative developmentOTA updatesAutomated QAShared UI kitsAgentic-ai systemsEnglish communicationCommunication

Required

Strong experience building and releasing React-Native mobile apps
Strong command of JavaScript/TypeScript and mobile design patterns
Experience publishing apps to the App Store and Google Play
Deep knowledge of RN architecture (navigation, state management, animations)
Strong experience debugging, profiling, and optimizing RN apps
Familiarity with CI/CD for mobile (i.e. Bitrise)
Experience integrating with backend services
Excellent communication skills and ability to work cross-functionally
Good English communication skills
High adoption of AI IDEs, like Cursor
Studies: Bachelor's degree or equivalent experience in a quantitative field (Computer Science, Engineering)

Preferred

Native development experience (Swift, Objective-C, Kotlin, Java)
Experience with OTA updates (Expo Updates, CodePush)
Experience in a startup or high-growth environment
Background in automated QA for mobile
Experience building shared UI kits or monorepo setups
Experience building agentic-ai systems with Langchain or Google SDK

Company

Zubale

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Zubale develops business management software to connect brands and retailers.

Funding

Current Stage
Late Stage
Total Funding
$73.05M
Key Investors
QED InvestorsPear VCKevin Efrusy
2023-11-30Series Aยท $25M
2022-12-31Series A
2022-04-20Series Aยท $40M
Company data provided by crunchbase