Senior Software Engineer - iOS

iOS Engineer · Senior · Full Time

London - The River Building HQGBP 80k – 120k5mo ago
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Role

What you'll do.

A Senior iOS Engineer role at Deliveroo's London headquarters, focusing on building scalable mobile architecture for their global food delivery marketplace serving millions of users. The position involves leading technical execution, mentoring engineers, and collaborating with cross-functional teams in a hybrid work environment requiring 3 days in office.

Responsibilities

  • Technical Architecture: Design and scale robust iOS architecture, ensuring mobile codebase remains modular, testable, and maintainable
  • Code Excellence: Ship readable, well-designed software through rigorous code reviews and setting high engineering standards
  • Operational Health: Continuously simplify maintenance of production systems, focusing on visibility, crash rates, and app performance
  • Cross-functional Collaboration: Partner with Product and Design teams to break down complex problems and shape technical roadmap
  • Mentoring and Growth: Proactively assist in colleague growth, guide technical choices, and participate in hiring process
  • Feature Development: Build seamless, high-performance features that define the future of on-demand delivery
  • Technical Leadership: Lead technical execution with individual work contributing meaningfully to goals across multiple teams

Qualifications

What we look for.

Technical

  • iOS Development

    Significant experience building iOS applications with deep understanding of mobile development

  • Swift/Objective-C

    Strong proficiency in Swift and/or Objective-C programming languages

  • Mobile Architecture

    Proven ability to scale mobile architecture within large-scale codebase for millions of users

  • iOS Frameworks

    Expertise in modern iOS frameworks including UIKit and AutoLayout

  • Testing & CI/CD

    Commitment to quality with inclination toward well-tested code and CI/CD best practices

Education

  • Computer Science Degree

    Bachelor's or Master's degree in Computer Science, Engineering, or related technical field preferred

Experience

  • Senior-level Experience

    5-8 years of experience in iOS development with demonstrated technical leadership

  • Cross-functional Delivery

    Demonstrated ownership of technical delivery within cross-functional teams

  • Product Environment

    Experience working in fast-paced product environment with rapid iteration cycles

  • Large-scale Applications

    Experience building and maintaining applications serving millions of users

Skills

Required

  • Swift

    Advanced proficiency in Swift programming language for iOS development

  • iOS Architecture

    Deep understanding of iOS application architecture patterns and best practices

  • UIKit

    Strong command of UIKit framework for building iOS user interfaces

  • AutoLayout

    Expertise in AutoLayout for creating responsive iOS layouts

  • Code Review

    Experience conducting thorough code reviews and maintaining high engineering standards

  • Technical Communication

    Ability to translate technical trade-offs for non-technical stakeholders

Preferred

  • Objective-C

    Nice to have

    Knowledge of Objective-C for legacy codebase maintenance and integration

  • SwiftUI

    Nice to have

    Experience with Apple's modern declarative UI framework

  • Core Data

    Nice to have

    Experience with Apple's object graph and persistence framework

  • Combine

    Nice to have

    Knowledge of Apple's reactive programming framework

  • Performance Optimization

    Nice to have

    Experience optimizing app performance, memory usage, and crash rates

  • App Store Submission

    Nice to have

    Experience with App Store submission process and guidelines

Tech stack

Languages

SwiftObjective-C

Frameworks

UIKitAutoLayoutiOS SDK

Tools

XcodeCI/CD pipelines

Other

GitApp Store Connect

Compensation

Pay and benefits.

Base·GBP 80,000 – 120,000

Equity·Stock options

Benefits

  • Equity Options

    Share in the success you help create with competitive equity options

  • Hybrid Working

    Flexible hybrid setup with typically 3 days in the London office

  • Professional Development

    Strong support for career growth through challenge and ownership of big problems

  • Collaborative Culture

    High standards, collaboration, and continuous learning environment

  • Global Impact

    Work on meaningful problems at real scale impacting millions of users daily

  • Fast-paced Environment

    Low-hierarchy, high-ownership environment with ability to ship and improve ideas quickly

Process

Interview steps.

  1. 01

    Application Review

    Initial screening of application and technical background

  2. 02

    Phone/Video Screen

    Initial conversation with hiring manager or technical lead

  3. 03

    Technical Interview

    Coding challenge and technical discussion focused on iOS development

  4. 04

    System Design

    Architecture and system design discussion for mobile applications

  5. 05

    Final Interview

    Cultural fit and leadership discussion with senior team members

Full posting

Original listing.

Senior Software Engineer - iOS

Join us in our mission to transform the way people shop and eat, where impact, innovation and growth drive everything we do. Our Engineering teams tackle complex technical challenges across a global, three-sided marketplace, building and scaling systems that serve millions of customers, riders and partners every day.

From real-time logistics to resilient infrastructure and marketplace optimisation, we design, build and operate technology that powers Deliveroo’s growth at scale.

We’re looking for a Senior Software Engineer - iOS to join our London team. In this role, you’ll help us evolve our mobile architecture and deliver seamless, high-performance features that define the future of on-demand delivery. This role is based in our London office with a hybrid setup, typically 3 days in the office.

Get to know our Engineering team — what drives us, how we work, and what you can expect.

What You’ll Be Doing

You’ll be joining the Consumer team. We are responsible for the primary touchpoint of millions of users, ensuring the journey from "hungry" to "happy" is intuitive, lightning-fast, and reliable.

As a Senior Engineer, your individual work meaningfully contributes to achieving goals across multiple teams. Here’s what your day-to-day might look like:

  • Lead Technical Execution: Design and scale robust iOS architecture, ensuring our mobile codebase remains modular, testable, and maintainable.

  • Drive Code Excellence: Take pride in shipping readable, well-designed software through rigorous code reviews and by setting a high bar for engineering standards.

  • Champion Operational Health: Continuously simplify the maintenance of production systems, focusing on visibility, crash rates, and overall app performance.

  • Collaborate & Influence: Partner closely with Product and Design to break down complex problems and shape a roadmap that balances feature delivery with technical debt.

  • Mentor & Grow: Proactively assist in the growth of your colleagues, guiding technical choices and participating in the hiring process to build a world-class team.

What You’ll Need to Thrive

Our ideal candidate will bring strong expertise in some of these areas and curiosity to grow in others:

  • Significant experience building iOS applications with a deep understanding of Swift and/or Objective-C.

  • Proven ability to scale mobile architecture within a large-scale codebase, ensuring performance and stability for millions of users.

  • Demonstrated ownership of technical delivery within a cross-functional team, ideally within a fast-paced product environment.

  • Expertise in modern iOS frameworks, including a strong command of UIKit and AutoLayout.

  • A commitment to quality, with a natural inclination toward writing well-tested code and implementing CI/CD best practices.

  • Effective communication skills, with the ability to translate technical trade-offs for non-technical stakeholders.

Why Join Us?

At Deliveroo, you’ll do work that matters—solving real-world problems in a three-sided marketplace that’s constantly evolving. We’re food lovers, problem solvers, community builders and more, brought together by a shared drive to make things better. Working here you can expect to:

🔧 Solve meaningful problems at real scale Work on a complex, always-on marketplace that impacts millions every day.

🌱 See your impact, fast Ship, test and improve ideas quickly in a low-hierarchy, high-ownership environment.

🧠 Grow through challenge and ownership Take on big, ambiguous problems and accelerate your career with strong support.

🌎 A culture built for builders High standards, collaboration, flexible working and continuous learning.

💰 Share in the success you help create Competitive salary and equity options, so you’re rewarded for the impact you make.

➡️ Want a deeper look at how we build? Check out our Tech Blog.

We aim to create a fair process that lets your skills shine—our interview typically includes 3-4 stages. Explore our Engineering Interview Guide here to help you feel confident at each stage.

Our Global Structure

Deliveroo is now part of DoorDash, bringing together teams with even greater reach, scale, and ambition. Depending on your role, you may collaborate with teammates, systems, and leaders across DoorDash and Wolt. Together, we’re unlocking new possibilities as one global team.

Diversity, Equity and Inclusion

At Deliveroo, we know that a great workplace reflects the world around us and that true diversity and inclusion make us stronger, more creative, and better at what we do. We’re committed to fostering an environment where everyone can do their best work and feel they belong.

We believe in equality of opportunity and welcome candidates from all backgrounds regardless of age, gender, ethnicity, disability, sexual orientation, gender identity, socio-economic background, religion, or belief.

If you have a disability or long-term health condition and need support to apply for one of our roles, or require any reasonable adjustments during the recruitment process, you’ll have the opportunity to let us know once you’ve submitted your application. We’ll share details on how to request support so we can ensure you have a fair and equitable experience.

If you’re excited about making a real impact in a fast-moving marketplace and growing your career alongside ambitious, supportive teams, we’d love to hear from you!

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