Back

Hargreaves Lansdown

Engineering Manager — Mobile Platform

Mar 2026 - Jun 2026

Description

Led the Mobile Platform squad building HL's new React Native app from scratch, replacing the native iOS and Android apps and owning the platform every mobile team shipped through. A brownfield migration to React Native + GraphQL for a business managing £150bn+ across a million+ active users, covering Product Manager and Principal Engineer responsibilities alongside the EM role.

Key Responsibilities

  • Delivered a high-profile, time-critical IPO launch ahead of a deadline brought forward twice, shipping a virtual waiting room across iOS and Android to hold a projected 500k+ concurrent applicants.
  • Hired 3 engineers into the platform team and helped staff a sister squad, running six interviews toward a further hire, then ran the platform handover from an outgoing offshore team, leaving the London team releasing independently.
  • Set the technical direction: proved module federation viable on React Native with two proof-of-concepts, and turned discovery into a 67-epic backlog with Scrum practice and full platform documentation.
  • Platform Ownership: Architected and built the foundational mobile platform, including shared components, CI/CD pipelines, and developer-experience tooling for product teams to build on.
  • People Leadership: Managed a small, high-performing team of senior and mid-level engineers, focused on coaching, career progression, and creating an environment where engineers could do their best work.
  • Technical Direction: Set the mobile architecture and testing strategy, making key decisions on state management, navigation, and testing infrastructure.
  • Hiring and Team Building: Wrote job descriptions, ran the hiring process, and onboarded new engineers during a period of team growth.
  • Delivery and Quality: Tracked delivery, managed technical debt, and maintained high engineering standards, building the testing infrastructure including E2E tests, mock APIs, and shared test utilities.
  • Cross-functional Collaboration: Partnered with Product, Design, and peer platform teams to align on shared capabilities and the engineering roadmap.

Tech stack

Programming Languages

TypeScriptSwiftKotlin

Technology Stack

React NativeReact Native Bridging (Brownfield)Apollo Client (GraphQL)React Navigation

Unit Testing

JestReact Native Testing Library

E2E Testing

Appium

Development Tools

XcodeAndroid StudioGit

Agile Methodology

Tribe/Squad Model