Senior iOS Engineer, Swift

Zopa Bank

Senior iOS Engineer improving Zopa Bank’s Swift and SwiftUI mobile banking app. Shaping platform architecture, developer tooling and app performance for a digital bank.

Posted 9/4/2026full-timeLondon • 🇬🇧 United KingdomSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates strong expertise in iOS development, particularly with Swift and SwiftUI, while effectively collaborating with cross-functional teams to enhance mobile applications and architecture. Proven ability to identify technical risks and improve developer experience through proactive problem-solving and knowledge sharing.

Highest-signal resume keywords

IOS DevelopmentSwiftSwiftUIAPI DesignMobile CI/CD Pipelines

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ConcurrencyPerformance ManagementMemory ManagementTestingAccessibilitySecurityArchitectural DesignShared LibrariesUIKitDeveloper Tooling

Soft Skills

CollaborationCoachingKnowledge SharingProactive Problem-SolvingOpen-Mindedness

Tools & Technologies

Mobile Analytics InfrastructureBuild InfrastructureAI-Assisted Development Tools

Industry Keywords

FintechBankingRegulated EnvironmentHigh-Trust Environment

Tech Stack

Tools & technologies

AndroidiOSSwift

About the role

Key responsibilities & impact

Partner closely with the Engineering Manager, Principal Mobile Engineer and Head of Mobile Engineering to deliver Zopa’s mobile strategy
Help shape the technical direction and standards for iOS across Zopa
Design and evolve shared modules, APIs, architecture and developer tooling for multiple engineering teams
Identify technical risks early using data, profiling and observability to improve performance, reliability and developer experience
Deliver production-quality Swift and SwiftUI code across platform and customer-facing product work
Raise the capability of other engineers through pairing, code reviews, technical discussions and knowledge sharing
Collaborate with Product, Design, Backend and Android colleagues
Contribute to the Mobile Platform team supporting the app’s architecture, shared capabilities, libraries, build infrastructure and analytics infrastructure
Help overhaul the Zopa banking app experience

Requirements

What you’ll need

Strong experience building and maintaining customer-facing iOS applications using Swift and SwiftUI
Deep knowledge of iOS development, including concurrency, performance, memory management, testing, accessibility and security
Sound architectural and API-design judgement, with a focus on simple, maintainable solutions and an excellent developer experience
Proactive approach to identifying problems, shaping practical solutions and influencing improvements beyond the immediate team
Collaborative approach, including coaching, pairing and knowledge sharing
Comfortable constructively challenging ideas while remaining open-minded and willing to change course when better evidence emerges
Genuine curiosity about mobile engineering and the evolving iOS platform
Added bonus: background in fintech, banking or another regulated, high-trust environment
Added bonus: track record of building shared libraries, platform capabilities or design systems
Added bonus: strong hands-on knowledge of UIKit
Added bonus: proven impact improving mobile CI/CD pipelines, release processes and developer tooling
Added bonus: confidence using AI-assisted development tools thoughtfully
Right to work in the country of choice for working abroad

Benefits

Comp & perks

Flexible ways of working
Hybrid working with face-to-face collaboration and work-life balance
Option to work from abroad for up to 120 days a year, subject to having the right to work in the country of choice
Equipment and support provided for work and home life from day one
Workplace free from discrimination
Reasonable adjustments available during the hiring process