Senior Ios Engineer (Mobile Development)

TL;DR

Senior iOS Engineer (Mobile Development): Building a native Tracking UI SDK that unifies the user experience for all Delivery Hero brands, focusing on robust backend integrations and ensuring the tracking components are performant and accessible. Focus on translating complex Design System requirements into reusable, themeable UI components that work seamlessly across different host apps.

Location: Onsite in Barcelona, Spain

Company

Delivery Hero is the world’s pioneering local delivery platform delivering experiences fast and easy.

What you will do

• Lead the design and development of a modular native iOS SDK using Swift, ensuring it is flexible enough to adapt to various brand identities.
• Collaborate closely with Backend Engineers to design and implement efficient BFF contracts, ensuring the UI SDK handles data fetching and state management with minimal latency.
• Act as the technical expert for translating complex Design System requirements into reusable, themeable UI components.
• Guide and mentor mid-level and junior engineers on the team, conducting high-quality code reviews and promoting engineering best practices.
• Partner with regional brand teams to troubleshoot integration challenges and ensure the SDK meets the diverse technical needs of the group.
• Improve and maintain automated pipelines for SDK distribution to ensure reliable releases.

Requirements

• At least 5 years of experience in native iOS development, with deep mastery of Swift.
• Extensive experience building complex, reusable UI components and a deep understanding of UIKit and SwiftUI.
• Proven experience working with Backend/BFF teams to define API contracts.
• Direct experience building and maintaining shared libraries or SDKs, with a focus on public API design and versioning.
• Expert-level knowledge of Swift Concurrency (Async/Await).
• Expertise in XCTest, XCUITest, and specifically Snapshot Testing for UI validation.
• Full professional English proficiency.

Nice to have

• Experience with Flutter is a plus.

Culture & Benefits

• Glovo credits to satisfy your cravings.
• Discounted gym memberships to keep you energized.
• Extra time off, the freedom to work from home two days a week, and the opportunity to work from anywhere for up to three weeks a year.
• Enhanced parental leave, and office-based nursery.
• Online therapy and wellbeing benefits to ensure your mental well-being.