Available to hire
I’m Stephen Shaw, a Senior .NET MAUI/Xamarin Developer with 15+ years of experience architecting and optimizing enterprise mobile applications.
I specialize in cross-platform solutions, cloud-driven apps, microservices, and I enjoy mentoring teams to improve software performance.
I’m passionate about driving innovation in .NET MAUI/Xamarin and cloud-based enterprise solutions.
Experience Level
Language
English
Fluent
Work Experience
Lead Xamarin/.NET MAUI Developer at Abtran
September 1, 2023 - PresentDesigned and developed enterprise-level applications using .NET Core, .NET MAUI, and Web API. Led code reviews and mentored junior developers. Integrated RESTful APIs and microservices to enable data exchange across platforms. Optimized SQL queries and ORM usage to reduce database response times by about 30%. Worked in an Agile, TDD environment to deliver roadmap items on time and within budget.
Senior .NET Developer at SponsorWorks
September 1, 2023 - September 12, 2025Provided support to the Sponsorworks Event Management platform, implemented new features, and improved performance for stability and speed. Collaborated with UX/UI and Test Engineering in an Agile, TDD workflow. Refactored legacy code to improve maintainability and scalability.
Senior Xamarin Developer at Schneider Electric
February 28, 2023 - September 12, 2025Architected and optimized mobile solutions using Xamarin.Forms, improving efficiency, scalability, and reliability across devices. Built reusable UI components and libraries; integrated RX.NET for responsive asynchronous data flows. Led code reviews and mentored junior developers in an Agile, TDD setting.
Lead Full-Stack Developer at Obodo (remote)
February 28, 2022 - September 12, 2025Led a team of 5 developers to architect scalable front-end solutions with Angular, React, and Next.js. Developed front-end architectures and back-end integrations using .NET technologies; deployed across AWS/Azure. Guided sprint planning, backlog refinement, and ensured timely delivery within budget.
Senior Xamarin Developer at Unum
October 1, 2020 - September 12, 2025Developed and optimized Unum's lead generation mobile app for iOS and Android. Implemented new features and performance improvements to boost stability and reduce load times. Collaborated with UX/UI and QA in an Agile, test-driven environment to meet business requirements and deadlines.
Senior Xamarin Developer at King-Devick Technologies
October 1, 2018 - September 12, 2025Refactored and optimized Xamarin.Forms codebase to improve performance and testability. Built features for the Angular-based web platform and integrated in-house services. Worked with R&D to translate clinical research into mobile neurological assessment apps.
Senior .NET & SQL Developer at Johnson Controls
February 28, 2018 - September 12, 2025Developed and optimized compliance and regulatory software solutions supporting global operations. Designed and improved SQL databases for efficient data retrieval and system performance. Collaborated with cross-functional teams to deliver critical software on time and within budget.
Senior Xamarin & .NET Developer at Agile App
May 1, 2017 - September 12, 2025Developed and deployed cross-platform mobile applications using Xamarin, optimizing performance. Designed and implemented Angular front-ends, integrated with RESTful APIs. Led end-to-end application development, creating reusable components to reduce time-to-market and improve maintainability.
.NET Developer at Various (Madgex, AVT Connect, Biomedical Computing)
April 1, 2015 - September 12, 2025Developed and optimized scalable .NET applications for job boards, compliance systems, and medical software. Led modernization efforts on legacy code, improving efficiency and maintainability. Collaborated with cross-functional teams to enhance performance and user experience.
Education
B Sc (Hons) Software Development at Galway-Mayo Institute of Technology
January 1, 2005 - January 1, 2009Certificate in Mechanical Engineering at Galway-Mayo Institute of Technology
January 1, 2003 - January 1, 2005Qualifications
Azure Fundamentals
January 1, 2024 - September 12, 2025Microsoft Azure AI Fundamentals
January 1, 2024 - September 12, 2025Certified Xamarin Developer
January 1, 2018 - September 12, 2025Industry Experience
Software & Internet, Professional Services, Media & Entertainment, Other
Experience Level
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