Job Opportunity: Senior Mobile Engineer
Company : YC-backed startup
Location : London – On-site, 5 days per week
Commitment : All-in. Long hours, fast pace, huge impact.
Experience Level : 6+ years
Why This Role?
Are you ready to be the architect of something extraordinary ? a YC-backed startup where innovation and ambition collide. You’ll be our third engineering hire, working shoulder-to-shoulder with founders who have already built and sold companies twice before .
Here’s your chance to own the mobile experience —every pixel, every feature, and every user interaction. From blank canvas to launch day, it’s all yours to shape.
What You’ll Be Doing
* Build a world-class mobile application architecture from the ground up using React Native .
* Craft native components in Swift and Kotlin to push the limits of mobile performance.
* Take full ownership of the app lifecycle, from concept to distribution on the Apple App Store and Google Play Store .
* Collaborate with designers and product visionaries to deliver jaw-dropping mobile UX .
* Thrive in an all-hands-on-deck environment where your work directly impacts our success.
What We’re Looking For
We’re searching for a pioneer, not a passenger. You’re the type who thrives on challenge and delivers under pressure.
Must-Haves
* 6+ years of experience building mobile apps end-to-end.
* Deep expertise in React Native, plus hands-on experience with Swift and Kotlin .
* A proven track record of shipping apps to the App Store and Google Play.
* Obsessed with mobile UX best practices —you know how to make apps users rave about.
* A self-starter who takes ownership and thrives in fast-paced environments.
Nice-to-Haves
* Skills in web development (React/TypeScript).
* Backend chops in Python/FastAPI/Postgres/Redis .
* Familiarity with AWS and Infrastructure as Code (IaC) .
Why Join Us?
* Trailblazers at the helm : Work alongside seasoned entrepreneurs who know how to win.
* Shape the future : Be part of an early-stage team where your decisions matter.
* Fast track to impact : Your work will directly shape the product, the team, and the company’s trajectory.
* Big rewards : Competitive salary and equity in a company backed by the prestigious YC accelerator.
Ready to Build the Future?
If you’re ready to go all-in on building something extraordinary, we want to hear from you. Send your CV and a brief note about your proudest mobile project.
This is more than a job. This is your chance to make your mark in tech history.
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