£300/day to £450/day
London, England
Contract, Variable

Mobile Developer

Posted by Harnham - Data & Analytics Recruitment.

Mobile Engineer
Location: London + Hybrid
Type: Full-Time
Salary: Up to £450 a day

About Us

We're working with a mobile-first consultancy helping ambitious startups turn bold ideas into high-impact digital products. From pre-seed prototypes to post-Series A scaling, we partner with early-stage teams to design and build fast, elegant, and reliable iOS apps that stand out in crowded markets. Our clients move quickly-and so do we. As specialists in mobile development, we bring deep technical expertise, startup-savvy product thinking, and a collaborative approach that makes us a trusted extension of every founding team we support.What You'll Do

  • Build and maintain robust, scalable, and beautiful iOS applications using Swift
  • Collaborate with product, design, and backend teams to deliver seamless features
  • Write clean, maintainable code with unit and integration tests
  • Advocate for best practices in mobile engineering and Swift development
  • Continuously discover, evaluate, and implement new technologies to maximize development efficiency

What We're Looking For

  • 3+ years of professional iOS development experience
  • Expertise in Swift and the iOS SDK
  • Experience with UIKit and SwiftUI (we use both)
  • Familiarity with modern architectural patterns like MVVM, VIPER, or Clean Architecture
  • Solid understanding of RESTful APIs, version control (Git), and CI/CD workflows
  • Strong problem-solving skills and attention to detail
  • Passion for delivering delightful mobile experiences

Nice to Have

  • Experience with Combine or async/await
  • Exposure to cross-functional mobile app performance tuning
  • Previous work on apps available in the App Store
  • Familiarity with CoreData, Firebase, or third-party SDKs

Why Join Us?

  • Work on products used by thousands (or millions) of users
  • Be part of a passionate, talented, and supportive engineering team
  • Flexible working hours and remote-friendly
  • Annual training budget and access to the latest tools and devices

How to Apply
Please apply to this ad to apply!

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