Mobile Team Tech Lead, London

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Mobile Team Tech Lead, London in UK new

ION Group
Full time
Email

UK
10/02/2026
Report

London

Responsibilities

Own the technical direction and delivery of client engagements.
Design, implement, deliver, and test iOS and Android applications.
Write code, design systems, and guide architectural decisions in a hands-on leadership capacity.
Lead engineers toward greater autonomy, capability, and effectiveness.
Work with client stakeholders, designers, product partners, and Lab49 leadership.
Promote software architecture, engineering best practices, new technologies, and high-quality delivery.
Build and modernize mobile banking capabilities for onboarding, account management, money movement, new markets, and regulatory requirements.

Requirements

10–12+ years of experience designing and building complex commercial-grade software systems.
4+ years leading Agile teams.
Proficiency in Swift and native iOS development tools including SwiftUI, UIKit, SwiftData, and Swift concurrency with async/await.
Experience with consumer banking, including account management and onboarding.
Familiarity with RESTful API integration and third-party libraries.
Knowledge of continuous integration and continuous deployment pipelines for mobile applications.
Understanding of mobile UI/UX principles and best practices.
Excellent communication skills and the ability to influence technical and non-technical stakeholders.
Preferred experience with Android, Kotlin, Jetpack Compose, Kotlin Coroutines, and MVI.
Preferred experience in fraud management, KYC, AML, regulatory reporting, on-device biometrics, App Store application releases, AppConfig community standards, and enterprise app distribution.
A college degree in Computer Science or a related field, or equivalent experience, is listed as a bonus qualification.
Experience using Claude, Claude Code, or Copilot to improve development velocity and code quality is a bonus.

Benefits

Work alongside talented engineers, designers, and consultants on complex financial-services challenges.
Exposure to varied technologies, business domains, and client environments.
Career growth in a supportive and inclusive environment.
This is a contractor role requiring on-site work five days per week in London or Birmingham, UK.

ION Group

ION Group is a forward‑thinking enterprise that delivers innovative solutions across multiple industries, blending technology with strategic insight to drive sustainable growth. Our collaborative culture empowers teams to tackle complex challenges, turning ideas into tangible results that benefit...

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