👨🏻‍💻 postech.work

Senior Mobile Application Developer (.NET / Xamarin / MAUI)

Crowdplat, Inc. • 🌐 In Person • 💵 $65 - $75

In Person Posted 1 day, 21 hours ago

Job Description

Location: Austin, TX (Hybrid – Onsite + Remote)

Duration: March 2026 – September 2026 (Extension Possible)

Schedule: Monday–Friday \| 8:00 AM – 5:00 PM CST

Hours: Up to 870 hours

Work Authorization: U.S.-based candidates only

Overview

We are seeking an experienced Senior Mobile Application Developer to support the development of a complex enterprise mobile application within a large public-sector technology environment.

The selected consultant will collaborate with team leads, developers, analysts, and project managers to analyze requirements, design application functionality, and deliver high-quality mobile solutions that meet business and technical standards.

This role requires strong experience with .NET, C#, Xamarin, and modern mobile development frameworks, along with the ability to work in Agile project teams while maintaining high standards for quality, accessibility, and application performance.

Key ResponsibilitiesMobile Application Development

Design and develop enterprise mobile applications using .NET, C#, Xamarin, and MAUI

Build scalable and maintainable application features aligned with project requirements

Implement application layout, navigation, and functionality across mobile platforms

Requirements Analysis \& Solution Design

Review and interpret technical and functional system requirements

Translate business requirements into well-structured application components

Collaborate with developers, analysts, and project stakeholders to refine features and enhancements

Testing \& Quality Assurance

Perform developer testing and validation for newly developed features

Debug and resolve application defects and reported issues

Ensure applications meet accessibility standards and usability guidelines

Integration \& Data Access

Develop integrations with RESTful APIs and service endpoints

Write SQL queries to support application data interactions with relational databases

Development Lifecycle \& Collaboration

Participate in Agile development cycles, including sprint planning, development, and reviews

Maintain code using Git-based version control systems

Work collaboratively within a cross-functional project team environment

Required Qualifications

7+ years of experience in application development

Strong experience with:

.NET and C#

Xamarin mobile development

Knowledge of .NET MAUI

Experience developing applications in Agile environments

Experience designing application layouts and functionality

Strong debugging and troubleshooting experience

Experience consuming RESTful APIs

Experience using Git or GitLab version control

Experience writing SQL queries in relational databases

Experience working within collaborative development teams

Preferred Qualifications

Strong ability to manage multiple priorities and deadlines

Excellent written and verbal communication skills

Experience working in complex enterprise or government environments

Strong understanding of accessibility and application usability standards

Work Environment

This position supports the development of enterprise mobile applications used by a large operational organization. The role requires collaboration across technical teams while ensuring solutions meet reliability, usability, and security expectations.

The position operates in a hybrid environment based in Austin, Texas, with a combination of onsite and remote work.

Pay: $65.00 - $75.00 per hour

Work Location: In person

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