Staff iOS Engineer

As a Staff Engineer at Depop, you'll be a technical leader, driving our engineering excellence and solving our most challenging problems. You will work in Depop’s iOS Platform team and collaborate closely with cross‑functional teams and leaders in the company, making high‑impact decisions that accelerate engineering efforts, define the long‑term technical direction for iOS at Depop, and align with our business strategy. Your iOS expertise will not only guide your team but also build followership across the wider engineering community, mentoring others and promoting a culture of high standards and quality.

Responsibilities

• Contribute high‑impact code and design well‑documented software that boosts team productivity and ensures scalability.
• Guide technical decisions for both engineering and non‑technical stakeholders, preventing costly rework.
• Act as a trusted advisor, mentoring engineers to improve their effectiveness and technical skills.
• Act as a strategic partner to engineering and product leadership, providing a strong viewpoint on the architecture and development processes needed to enable the business to move faster and build more effectively.
• Collaborate across teams and navigate sophisticated situations to foster strong partnerships.
• Proactively identify and tackle ambiguous technical problems that improve team productivity and enhance system reliability.
• Ensure platform health and implement high standards, leading swift incident resolution and minimising major incidents.
• Promote a culture of high standards and accountability, leading by example and inspiring excellence.
• Lead cross‑functional initiatives to modernise the iOS app and improve developer velocity, collaborating with other teams to unblock and accelerate key business goals.
• Drive technical guilds and working groups to share knowledge, build consensus, and deliver on the long‑term iOS vision by bringing other engineers along on the journey.
• Leverage deep domain expertise to define and champion the long‑term architectural vision for the iOS application, guiding prioritisation in line with business goals and new advancements in the iOS space.

Qualifications

• Strong communication and collaboration skills with both technical and non‑technical teams.
• Proven track record of designing and delivering a long‑term technical vision for complex, large‑scale mobile applications.
• Proven ability to lead technical decisions and drive projects to completion.
• Experience mentoring and coaching developers at any level.
• Experience identifying and driving solutions for ambiguous and complex technical challenges at scale, demonstrating a clear “been there, done that” perspective.

Essential Skills

• Expert Swift/iOS engineer with deep knowledge of the platform; rigorous testing with XCTest and XCUITest.
• Building and maintaining modular mobile frameworks; dependency management with Swift Package Manager.
• Deep understanding of MVVM and VIPER; and dependency injection.
• Proficient with both UIKit and SwiftUI.
• Proficiency in CI/CD and release management process; TestFlight, phased rollouts, feature flags, A/B testing, crash analytics.
• App lifecycle, deep links/universal links, push notifications, background execution modes.
• Understanding operational and non‑functional requirements (such as resilience, performance and observability) and how solutions are implemented and tested.

Desirable Experience

• Design systems and reusable component libraries, design tokens, accessibility.
• Experience with tools such as Postman, Charles, Proxyman, Bitrise (or Xcode Cloud, GitHub Actions, CircleCI).
• Comfortable with Agile methods (Scrum/Kanban) and iterative delivery.
• Experience working cross teams and cross platform, Android, Web, Backend.

Health + Mental Wellbeing

• 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.

Work/Life Balance

• 25 days annual leave with option to carry over up to 5 days.
• 1 company‑wide day off per quarter.
• Impact hours: 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, to give you a chance to recharge or do something you love.
• Flexible Working: 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.

Family Life

• 18 weeks of paid parental leave for full‑time regular employees.
• IVF leave, shared parental leave, and paid emergency parent/carer leave.

Learn + Grow

• Budgets for conferences, learning subscriptions, and more.
• Mentorship and programmes to upskill employees.

Your Future

• Life Insurance (financial compensation of 3x your salary).
• Pension matching up to 6% of qualifying earnings.

Depop Extras

• Employees enjoy free shipping on their Depop sales within the UK.
• Special milestones are celebrated with gifts and rewards!

We are an equal opportunity employer, providing employment opportunities without regard to age, ethnicity, religion or belief, gender identity, sex, sexual orientation, disability, pregnancy or maternity, marriage and civil partnership, or any other protected status. We’re continuously evolving our recruitment processes to ensure fairness and are open to accommodating any needs you might have.