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.