Mobile App Developer (.NET MAUI)

Southend, Essex
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A contract position Outside IR35

Hybrid - 1-2 days on site.

Our client is seeking a Mobile App Developer with expertise in .NET MAUI for a fixed-term contract role. This position is crucial in maintaining and advancing existing mobile applications that support vehicle telematics systems, which provide valuable insights for insurers and fleet operators to enhance road safety and driving efficiency.

Key Responsibilities:

Maintain and extend existing .NET MAUI mobile apps
Implement planned features and bug fixes in MAUI and XAML
Build and evolve user interfaces that align with established mobile UI patterns
Collaborate with the backend team to define changes to supporting REST APIs
Diagnose and resolve issues in live apps on iOS and Android
Take responsibility for the build and submission process for the App Store and Google Play
Write clear, maintainable code that supports collaboration
Participate in code reviews, sprint planning, stand-ups, and retrospectives
Work with product and business stakeholders to clarify requirements and agree on practical solutions

Job Requirements:

Production experience with .NET MAUI mobile apps, including diagnosing and fixing live issues
Strong C# and .NET skills; comfortable working in an established codebase
Solid understanding of XAML, MVVM, and common iOS/Android platform constraints
Hands-on experience releasing apps to the App Store and Google Play
Proficient with Git and collaborative development workflows
Experience working in an agile team
Excellent communication skills to explain trade-offs to technical and non-technical colleagues
Pragmatic approach with good judgement on when something is 'good enough'

Desirable Skills:

Experience of Vehicle tracking, Fleet tracking, Blackbox Insurance
Experience with Xamarin.Forms
Awareness of backend domain code and business logic
Knowledge of vehicle insurance telematics or fleet management
Experience with Jenkins or similar CI/CD pipelines
Experience using SQLite or other local mobile storage solutions
Familiarity with push notifications and background services on iOS and Android

What We Offer:

Hybrid working (1-2 days/week onsite)
Opportunity to impact real-world road safety and driving efficiency
Autonomy with support from an experienced team
Access to equipment, tools, and training resources

Job Info
CV-Library logo
Job Title:
Mobile App Developer (.NET MAUI)
Company:
CV-Library
Location:
Southend, Essex
Salary:
£450 - £550 Per day
Posted:
Jan 21st 2026
Closes:
Feb 21st 2026
Sector:
IT
Contract:
Contract
Hours:
Full Time
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