Mat Gallacher

Available to hire

I am a seasoned software architect and developer with extensive experience in cross-platform mobile app development using Xamarin and Flutter.

About

I am a seasoned software architect and developer with extensive experience in cross-platform mobile app development using Xamarin and Flutter. I’ve contributed to a wide array of projects, from enterprise integrations and e-commerce platforms to native mobile applications for companies like Toyota, Tesco, and Next. I enjoy working closely with product owners and engineering teams to deliver high-quality, user-friendly applications that support workforce and consumer needs.

Beyond coding, I am passionate about mentoring and leading development teams, ensuring best practices, and driving technical strategy. My goal is always to create robust, scalable solutions that improve user experiences and operational efficiency.

  • 6 years' experience
  • Joined July 2025

Languages

  • EnglishFluent

Industry experience

  • Software & Internet
  • Energy & Utilities
  • Retail
  • Healthcare
  • Manufacturing
  • Non-Profit Organization
  • Transportation & Logistics
  • Financial Services

More experts

Work experience· 11 roles

Xamarin/Flutter Developer · Onyx InsightMay 2025 – Jul 2025 · 3 mos

Sole developer responsible for new features and improving the stability of the Xamarin application. Worked on improving offline functionality and syncing with backend systems. Redeveloped UI to enhance performance and reduce crashes. Migrated the FieldPro application to Flutter to support offline use in remote locations. Collaborated with product owners and engineers to redesign UI according to Material Design guidelines. Implemented unit testing to stabilize the app and reduce manual testing.

Xamarin Developer · Next PLCApr 2023 – Jul 2025 · 2 yrs 4 mos

Redeveloped core warehousing solution to support multiple languages, including Arabic and Russian, for new market expansion. Improved UI to deliver a modernized user experience.

Xamarin Developer · Bitifeye Digital Test SolutionsSep 2022 – Jul 2025 · 2 yrs 11 mos

Provided cover for core developer on paternity leave. Initially fixed a Bluetooth data recording bug in the HeartGo sports app, completed ahead of schedule. Enabled iOS support with complex Bluetooth communications, reworked UI for better support across Android and iOS devices of various screen sizes.

Flutter Developer · Loft Digital/The Fertility CircleJul 2022 – Jul 2025 · 3 yrs 1 mo
Xamarin Developer · VSM Group ABFeb 2022 – Jul 2025 · 3 yrs 6 mos
Flutter Developer · CtrlHubAug 2021 – Jul 2025 · 4 yrs
Xamarin Developer · Bartec Municipal TechnologiesNov 2020 – Jul 2025 · 4 yrs 9 mos
Flutter Developer · The Brain Tumour CharitySep 2020 – Jul 2025 · 4 yrs 11 mos

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