Senior Mobile Engineer
Zubale
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Posted on Mar 1, 2026
Who you are
- A Senior Mobile Developer specialized in React Native to design, build, and scale mobile applications used by thousands of users.
- An AI-first developer, that owns and delivers high-quality code
- You enjoy owning end-to-end mobile experiences, moving fast, and collaborating with cross-functional teams to deliver high-quality products.
- You play a key role in our mobile architecture, technical decision-making.
- You work closely with Product, Design, Backend, QA Automation teams to ship high-impact features with speed, quality, and reliability.
What you will do
- 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.
The skills and experience you will bring
- 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)
- Is a plus:
- 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
This job is no longer accepting applications
See open jobs at Zubale.See open jobs similar to "Senior Mobile Engineer" NFX Guild.