Senior iOS Engineer

Depop

Senior iOS Engineer building intuitive data-driven experiences to help sellers price items accurately. Collaborating with cross-functional teams in a peer-to-peer circular fashion marketplace.

Posted 7/1/2026full-timeRemote • 🇬🇧 United KingdomSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building iOS applications using Swift, with a strong focus on architectural patterns and automated testing. Capable of influencing technical direction and mentoring engineers while fostering a quality-driven culture.

Highest-signal resume keywords

IOS Application DevelopmentSwift ProgrammingAutomated Testing with XCTestMVVM-C ArchitectureAPI Integration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

SwiftSwiftUIUIKitMemory ManagementConcurrencyState ManagementAutomated TestingMVVM-CAPI-Driven DevelopmentArchitectural Judgement

Soft Skills

CollaborationMentoringTechnical Leadership

Tools & Technologies

BitriseGitHub ActionsCI/CD

Industry Keywords

Mobile DevelopmentIOSApplication TestingQuality CultureData-Driven Experiences

Tech Stack

Tools & technologies

iOSSwift

About the role

Key responsibilities & impact

Collaborate effectively across engineering, product, and design disciplines to shape solutions and deliver outcomes
Mentor engineers and contribute to a strong quality culture through reviews, testing, and technical guidance
Influence technical direction through engineering standards, design discussions, and technical leadership
Track record of technical leadership without a management title: setting standards, unblocking others, making architectural calls in ambiguous situations
Build intuitive, data-driven experiences that make pricing and negotiation feel simple, transparent, and rewarding for both buyers and sellers

Requirements

What you’ll need

Substantial experience building iOS apps in production environments in Swift
Deep understanding of Swift, including memory management, concurrency (async/await, actors), and state management in complex application flows
Production experience with SwiftUI and/or UIKit
Experience implementing MVVM-C or similar coordination patterns with strong architectural judgement
Experience integrating mobile applications with backend services in API-driven environments
Experience writing and maintaining automated tests across unit, integration, and broader application testing layers using Swift Testing and XCTest
Experience working in modern mobile CI/CD environments (including Bitrise, GitHub Actions, and merge queue workflows) - nice to have
Familiarity with modularised iOS codebases and build-time optimisation - nice to have
Contributions to platform/core architecture beyond your immediate team - nice to have

Benefits

Comp & perks

PMI and cash plan healthcare access with Bupa
Subsidised counselling and coaching with Self Space
Cycle to Work scheme with options from Evans or the Green Commute Initiative
Employee Assistance Programme (EAP) for 24/7 confidential support
Mental Health First Aiders across the business for support and signposting
25 days annual leave with option to carry over up to 5 days
1 company-wide day off per quarter
Up to 2 days additional paid leave per year for volunteering
Fully paid 4 week sabbatical after completion of 5 years of consecutive service with Depop
MyMode hybrid-working model with Flex, Office Based, and Remote options *role dependent
All offices are dog-friendly
Ability to work abroad for 4 weeks per year in UK tax treaty countries
18 weeks of paid parental leave for full-time regular employees
IVF leave, shared parental leave, and paid emergency parent/carer leave
Budgets for conferences, learning subscriptions, and more
Mentorship and programmes to upskill employees
Life Insurance (financial compensation of 3x your salary)
Pension matching up to 6% of qualifying earnings
Employees enjoy free shipping on their Depop sales within the UK
Special milestones are celebrated with gifts and rewards!