Senior Software Engineer, React Native
Vienna
We’re partnering with a rapidly scaling AI startup headquartered in Vienna that’s building an advanced AI product for the automotive sector. They’re looking to make an
early mobile engineering hire
who will play a key role in shaping and scaling their mobile applications from the ground up.
This is a
hands-on, product-focused role
where you’ll work on production-grade mobile apps tightly integrated with backend and AI systems. You’ll have real ownership, strong technical influence, and the opportunity to define best practices for mobile development as the company grows.
Competitive market-aligned compensation is offered, along with performance bonuses linked to company and product milestones.
What you’ll be doing
Building and maintaining mobile applications using
React Native with Expo
Working end-to-end across
UI, application logic, and backend integrations
Integrating mobile clients with existing
TypeScript APIs and services
Contributing to shared architecture, patterns, and tooling across web and mobile
Collaborating closely with
product, AI, and backend engineers
Owning features from initial concept through to production release
What they’re looking for
Strong professional experience with
TypeScript
Daily use of modern
AI-assisted coding tools
(e.g. Cursor, Claude Code, or similar)
Production experience building mobile apps with
React Native
Proven ability to deliver
performant, native-feeling mobile UIs
, including platform-specific patterns
Experience with
tRPC
Comfortable working with
TanStack React Query
Experience with modern TypeScript ORMs such as
Prisma or Drizzle
Familiarity with frameworks such as
Next.js, Remix, React Router, or TanStack Router
Fluent English communication skills
Nice to have
Experience with
Vercel AI SDK
Exposure to
streaming or real-time data
German language skills (any level)
Big advantages
Based in
Vienna, Austria
Deep hands-on experience with
tRPC
Background in
voice agents or conversational AI
Native mobile development experience (
iOS and/or Android
)
Real-time application experience
Strong
design engineering instincts
(UI/UX judgment, design systems, polished mobile interfaces)
Experience with
TanStack Start
We look forward to speaking with you!