Freelancers using Xamarin in LondonFreelancers using Xamarin in London
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johnathan mawdsley's avatar
johnathan mawdsley
London, UK
I help founders ship and scale high impact products
New to Contra
I help founders ship and scale high impact products
Cover image for Designed and built companion mobile
Designed and built companion mobile and desktop tools for Amano Support mentors working with neurodivergent learners. Replaced fragmented manual paperwork with a unified workflow for scheduling, session tracking, and reporting. The platform reduced admin overhead, improved consistency of delivery, and supported better outcomes for both mentors and learners. Result: higher mentor retention, lower operational friction, and improved service quality for students and staff.
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Cover image for Built secure clinical data tools
Built secure clinical data tools that increased submission rates 2–3x. Delivered a secure React Native app and web dashboard for MS Trust and NHS clinicians, replacing unreliable paper diaries with accessible, real-time data collection for patients and researchers. The platform improved data quality and consistency while reducing operational friction for clinical teams. Result: data submission rates increased two to threefold, supporting better NHS planning and lower operational costs.
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Cover image for Key contributor over 3 years
Key contributor over 3 years on Cornwall Council’s resident services programme, covering BA, design, implementation, maintenance, and stakeholder liaison. Worked across Azure, C#, ASP.NET Razor Pages, TypeScript, Dynamics 365, Microsoft Power Apps, and Power Pages to upgrade and modernize services in line with GDS standards. Improved accessibility and GDPR compliance for services used by 577k residents and 19m annual visitors, while helping save thousands of staff hours annually.
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Cover image for Elixel Agency Products
Elixel Agency Products
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Xamarin(2)