flowkey is an industry-leading app to learn piano with over 10 million users worldwide. It's available on Web, iOS and Android and has received numerous accolades, including an Editor's Choice award from Apple. The app has an average rating of 4.7 stars and a strong partnership with Yamaha.I was one of the first employees and have played a major role in the app's development and growth. I have contributed essential UX design, development, and code architecture, helping the app become profitable within a year of launch. Currently, I am the technical lead and manager of the software engineering team, where I am hands-on with code and review, and mentoring engineers. I continue to contribute to product strategy and UX.As an engineering manager, I have introduced regular 1:1 meetings, code review, performance feedback procedures, and countless team building sessions and workshops. I constantly work to minimise knowledge bottlenecks and promote psychological safety.My technical expertise has allowed me to take a sole or leading role in various projects, such as:- Open-sourcing flowkey's version of Apple's UIKit (so we can share code between iOS and Android)- Pioneering new uses of cross-platform Swift (in probably the first Android app using Swift, and Wasm)- Architecting the Mobile App, Song Player, GraphQL Server, and international infrastructure- Implementing DSP algorithms in SwiftI have also optimised our ML test framework, training, and deployments, created a server-side TypeScript library for GraphQL, architected and engineered global sharding for our MongoDB database, reduced server hardware costs by an order of magnitude, introduced secure multi-tier caching, and aggressively optimised performance across our entire stack. Reducing iteration times for myself and the team remains a passion of mine, because I believe fast iteration allows engineers to enter the flow state.

Provided personalised IT contracting services and training to a various private and small-business clients.Services were both remote and on-site, with a focus on networks, security, creative interests (photography, video and music software / hardware) and technology integration (syncing, inter-operability and sharing).