Senior iOS Engineer in London

Company Overview

Depop is a peer‑to‑peer circular fashion marketplace headquartered in London, with offices in New York. Founded in 2011, we connect millions of buyers and sellers to make secondhand fashion exciting and rewarding.

Role

You will join a newly formed Pricing team, a core product area that helps sellers price items to sell faster and improve earnings while enabling buyers to discover great value. Working cross‑functionally with Product, Design, Backend Engineering, Machine Learning, and QA, you will build intuitive, data‑driven experiences that make pricing and negotiation feel simple, transparent, and rewarding.

Responsibilities

• Collaborate effectively across engineering, product, and design to shape solutions and deliver outcomes.
• Take a pragmatic approach to evolving technology and modernise applications incrementally.
• 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.
• Demonstrate a track record of technical leadership without a management title: setting standards, unblocking others and making architectural calls in ambiguous situations.

Qualifications – Technical Expertise

• Substantial experience building iOS apps in production with Swift, including evolving iOS versions and modular architectures.
• Deep understanding of Swift: memory management, concurrency (async/await, actors), and state management in complex flows.
• Production experience with SwiftUI and/or UIKit.
• Experience implementing MVVM‑C or similar coordination patterns with strong architectural judgement.
• Experience integrating mobile apps with backend services in API‑driven environments, ideally with OpenAPI workflows.
• Experience writing and maintaining automated tests across unit, integration and application layers using Swift Testing and XCTest.

Nice to Have

• Experience in modern mobile CI/CD environments such as Bitrise and GitHub Actions.
• Familiarity with modularised iOS codebases and build‑time optimisation.
• Contributions to platform or core architecture beyond your immediate team.

Benefits

• Health & Mental Wellbeing: PMI and cash plan, Bupa healthcare, subsidised counselling and coaching with Self Space.
• Cycle to Work scheme or Green Commute Initiative.
• Employee Assistance Programme (EAP) with 24/7 confidential support.
• 25 days annual leave (up to 5 days carry‑over) and 2 days additional paid leave for volunteering.
• Fully paid 4‑week sabbatical after 5 years of service.
• Flexible working: hybrid, office‑based or remote options based on role.
• Dog‑friendly offices.
• Parental leave: 20 weeks for birth parent, 12 weeks for non‑birth parent, plus IVF, shared, and emergency leave.
• Learning budget, development chats and yearly performance reviews.
• Life insurance (3× salary), pension matching up to 6% with Aviva.
• In‑office Depop Shop access and packing station with free delivery.
• Company‑wide training workshops, materials and resources.
• Special milestones celebrated with gifts and rewards.

Equity & Diversity Statement

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

AI Disclosure

We use AI tools (Google Gemini) to help source and review applications for high‑volume roles. These tools assist recruiters but do not replace human decision‑making. Every hiring decision is made by a human.

How to Apply

To request adjustments due to a disability, email with your name, the role and the support needed.