Senior Lead Software Engineer - iOS Platform

Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to J.P. Morgan Personal Investing for the same reason: our straightforward and transparent approach to investing, and the trust that 150 years of J.P. Morgan heritage brings.   

J.P. Morgan Personal Investing offers award-winning investments, products and digital wealth management services to over 275,000 investors in the UK. We built the business with innovation as a core part of our ethos to give consumers the confidence and clarity to make informed investment decisions and achieve their financial goals.  

Our team is at the heart of this venture, focused on getting smart ideas into the hands of our customers. We're looking for people who have a curious mindset, thrive in collaborative squads, and are passionate about building quality software that has a big impact in a rapidly changing environment. By their nature, our people are also solution-oriented, commercially savvy and have a head for fintech. We work in tribes and squads that focus on specific products and projects. 

Short Description:
Drive innovation and quality in iOS engineering, empowering users to achieve their financial goals through impactful software.

Introductory Marketing Language:
Join us at J.P. Morgan Personal Investing, where your expertise shapes award-winning digital wealth management solutions for over 275,000 UK investors. You’ll be part of a collaborative, innovative team that values curiosity, commercial savvy, and a passion for fintech. We empower you to make a real impact, offering opportunities for growth and skill development. Your work will help clients make informed investment decisions, backed by 150 years of trusted heritage. Experience a culture that thrives on smart ideas, teamwork, and continuous improvement.

Job Summary:
As a Senior iOS Engineer in the Personal Investing Engineering team, you will design, build, and maintain the iOS SDLC toolchain, ensuring compliance and reliability. You’ll drive technical initiatives, mentor engineers, and act as the go-to expert for iOS platform questions. Your focus will be on improving developer experience, automating processes, and supporting the adoption of new technologies. You will collaborate across squads and tribes, contributing to a culture of learning and innovation while delivering high-quality software that makes a difference.

Job Responsibilities:

• Design, build, and maintain the iOS SDLC toolchain to meet firm standards
• Write and maintain Jenkins pipelines (Groovy, Docker, Shell) for iOS and engineering tools
• Keep Xcode, Swift, iOS SDK, and supporting tools updated with stable versions
• Own and optimize a reliable, repeatable release cycle for iOS apps
• Identify and automate gaps and friction in developer experience and release processes
• Take on cross-cutting iOS work beyond single feature teams or pillars
• Define and improve iOS architecture patterns and testing strategies
• Write, maintain, and support Architectural Decision Records (ADR) for the iOS platform
• Track and adopt new iOS technologies and platform features where valuable
• Set up and maintain AI skills for safe and effective use by iOS engineers
• Lead and contribute to technical initiatives that enhance the codebase and toolset
• Own shared core layers of the iOS app, including monitoring, feature flags, and networking
• Act as senior escalation point for incidents, complex bugs, and production issues
• Provide timely guidance and support for iOS technical questions across the team
• Focus on root cause analysis and resolution
• Collaborate with Security teams to implement controls and reduce risk
• Coordinate and resolve security findings with feature teams
• Mentor and guide iOS engineers at all levels
• Review code across iOS projects, maintaining quality and fostering learning
• Share knowledge through sessions and skill-sharing within the iOS and Engineering teams

Required Qualifications, Capabilities, and Skills:

• English working proficiency for collaboration with the London team
• Significant commercial experience in native iOS mobile application development
• Strong knowledge of Swift, Xcode, and LLVM/Clang build systems
• Expertise in core iOS libraries, frameworks, Swift Concurrency, and modern architecture patterns
• Hands-on experience with Jenkins, Groovy, and Docker for CI/CD pipelines
• Experience owning or improving mobile release processes, including signing and provisioning
• Understanding of mobile application security and regulated control environments
• Strong analytical, debugging, and problem-solving skills for complex build, runtime, and production issues
• Effective communication skills to influence stakeholders across Engineering, Security, Product, Operations, and partner organizations
• Curiosity and openness to new ways of working, proactively supporting innovation

Preferred Qualifications, Capabilities, and Skills:

• Experience in the FinTech sector or highly regulated industry
• Experience building or working with Design Systems (UI Development, White-labelling)
• Appreciation for Accessibility and ability to meet Accessibility requirements
• Experience with React Native or other multiplatform solutions
• Portfolio of apps or GitHub contributions