Endure Capital

Senior iOS Engineer

Endure Capital

full-time

Posted on:

Location Type: Remote

Location: United Kingdom

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Job Level

Senior

Tech Stack

iOSSwift

About the role

  • Taking ownership of iOS architecture, ensuring scalable, maintainable, and high-performing solutions.
  • Leading the design and development of new features across the Numan app ecosystem, delivering high-quality, user-focused experiences.
  • Mentoring and coaching mid-level and junior engineers, helping the team grow their technical skills and adopt best practices.
  • Collaborating closely with product, design, and business teams to shape product strategy and influence technical trade-offs.
  • Evaluating and recommending new technologies, tools, and frameworks to maintain a cutting-edge iOS platform.
  • Ensuring code quality through rigorous reviews, automated testing, and adherence to engineering standards.

Requirements

  • A proactive engineer who thrives in fast-moving, high-impact environments and takes ownership from conception to delivery.
  • A track record of delivering production-grade iOS apps, ideally with experience in scaling apps and handling complex architectures.
  • Strong experience with Swift and the iOS ecosystem, including frameworks, design patterns, and performance optimization.
  • A proactive approach and knowledge of best practices in code, testing, and app performance, with a strong attention to detail.
  • Previous experience mentoring, knowledge sharing, and helping shape the team’s engineering culture.
  • A passion about building products that meaningfully improve people’s lives through digital health.
Benefits
  • Share options.
  • 25 days holiday, plus bank holidays (increasing to 30 the longer you stay with Numan).
  • Health insurance with Vitality.
  • Enhanced maternity and parental leave.
  • Nursery benefit provided by YellowNest.
  • Employee assistance programme (access to therapy, financial planning and discounts).
  • Generous pension (includes both employee and employer contributions).
  • Flexible working options, including a dog-friendly office in Farringdon.
  • Personal training and development budget via Learnerbly.
  • Wellhub membership, giving you access to over 2,000 locations in the UK.
  • Cycle to work scheme.
  • Season ticket loan.
  • Discount on Numan products for your friends and family.
  • Paid volunteering days.
  • An additional 2 weeks off once you reach your 5th anniversary with Numan.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
iOS architectureSwiftperformance optimizationautomated testingdesign patternsscalable solutionsmaintainable solutionscode qualityproduction-grade appscomplex architectures
Soft Skills
mentoringcoachingcollaborationproactive approachattention to detailteam growthinfluencing strategyknowledge sharingownershipuser-focused experience