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# iOS Developer

- **Company:** Número De
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Apple IOS, User Authentication, Data Security, Software Debugging, Uikit, Swiftui, Backend
- **Published:** July 30, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

+ Strong native iOS experience using Swift.
 + Experience shipping iOS apps used by real users.
 + Good understanding of SwiftUI, UIKit, async/await and iOS architecture patterns.
 + Strong product sense and care for UX, not just building screens.
 + Able to debug production issues and improve performance, reliability and app quality.
 + Comfortable working with ambiguity and moving fast without lowering the bar., English is our main working language across global teams. Strong English communication is required.

## Description

We are looking for iOS engineers to build the native iOS experience for KIRA's AI Finance Agent.
This role is for someone who cares about clean user flows, fast performance, product quality and shipping reliable mobile features used by real customers.

What Will You Build

 + Build and ship native iOS features for onboarding, accounts, cards, payments, transfers, rewards and AI-assisted user journeys.
 + Make complex financial flows feel clean, fast and simple on mobile.
 + Work with product, design, backend and AI engineers to take ideas from rough concept to production release.
 + Own app quality across performance, crash rate, loading states, edge cases, responsiveness and release stability.
 + Use production feedback, analytics and customer behaviour to improve features after launch.
 + Integrate APIs, authentication, secure data handling and financial workflows with strong attention to reliability., We are looking for engineers with real technology career highlights. A strong highlight is not just working at a famous company. A strong highlight means you personally helped build, ship or scale a serious product, platform or system.

This Role Is Not For

 + Engineers who only want fully defined tickets.
 + Developers who build screens without caring about user experience.
 + People who ignore crashes, edge cases, loading states or performance.
 + Engineers who move slowly in a startup environment.
 + People who exaggerate impact without explaining their actual contribution.


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