Sr. Software Developer - Apps/C# .NET

Great Bay Staffing Group
Redlands, CA

Senior .NET C# Mobile Developer - Cross-Platform GIS & Mapping Applications

We are seeking an experienced Senior .NET C# Mobile Developer to join our innovative team in creating cutting-edge cross-platform mapping and GIS applications. This role offers the opportunity to design and develop next-generation mobile app building technology using the latest frameworks including Xamarin, MAUI, and .NET . If you're passionate about creating exceptional user experiences and building enterprise-grade mobile solutions that run on iOS, Android, and desktop platforms, we want to hear from you.

Key Responsibilities

  • Design and develop high-performance native and cross-platform mobile applications using C# .NET, Xamarin, and MAUI to meet diverse user requirements
  • Create responsive and intuitive user interfaces for mobile, desktop, and web-based GIS systems
  • Architect and implement cross-platform app building technology and frameworks for mapping solutions
  • Collaborate within an Agile development team to build feature-rich, modernized applications using C# .NET
  • Develop enterprise software solutions for field mapping, data collection, sensor networks, street navigation, and location-based services
  • Work closely with cross-functional teams including programmers, designers, and product managers throughout the software development lifecycle
  • Define user requirements and design robust applications and APIs for mobile devices and web-based services
  • Ensure ArcGIS software integration meets real-world usage scenarios and industry standards
  • Solve complex technical challenges related to application architecture, mobile development, and user experience design
  • Participate in code reviews, testing, and continuous integration processes using GitHub, Jenkins, and Microsoft App Center

Required Qualifications

  • 5+ years of professional commercial software development experience
  • Expert-level proficiency in .NET C# programming with demonstrable passion for the technology
  • Proven experience with Xamarin, Xamarin Forms, and/or MAUI for cross-platform mobile development
  • Hands-on experience building and consuming JSON, XAML/XML, and RESTful Web Services
  • Strong aptitude for user experience (UX) and user interface (UI) design principles
  • Demonstrated expertise in cross-platform app development for iOS and Android
  • Solid understanding of algorithms, data structures, and software design patterns
  • Experience with version control and CI/CD tools including GitHub, Jenkins, and Microsoft App Center
  • Proven ability to work collaboratively in team environments and deliver quality software in agile, fast-paced settings
  • Excellent time management, organizational, and prioritization skills
  • Strong written and verbal communication abilities
  • Bachelor's degree in Computer Science, Software Engineering, Mathematics, Geographic Information Systems (GIS), or related technical field

Preferred Qualifications

  • Master's degree in Computer Science, Engineering, Mathematics, GIS, or related discipline
  • Experience with Telerik UI for .NET
  • Native mobile application development experience for iOS and Android platforms
  • Background in GIS, mapping applications, or location-based services
  • Familiarity with spatial data formats and geospatial technologies

Why This Is a Great Opportunity

This position offers an exciting opportunity to work at the forefront of mobile GIS and mapping technology. You'll be instrumental in designing and developing the next generation of cross-platform app building solutions that empower users across industries including field services, environmental monitoring, urban planning, and navigation. Our team is dedicated to creating innovative, user-friendly applications that leverage the latest mobile devices and frameworks. You'll work with cutting-edge technologies including .NET MAUI, Xamarin, and ArcGIS , while contributing to products used by professionals worldwide. This role provides the perfect blend of technical challenges, creative problem-solving, and the satisfaction of seeing your work make a real-world impact.

Compensation

Annual Salary: $140,000 - $190,000 USD, commensurate with experience and qualifications

Apply Today

If you're a talented .NET C# developer with a passion for mobile application development and cross-platform solutions, we encourage you to apply. Join our team and help shape the future of mobile GIS and mapping technology. Qualified candidates should submit their resume and portfolio demonstrating relevant mobile development experience. We look forward to hearing from you!

Posted 2026-03-16

Recommended Jobs

Telemarketing Superstar Needed

G2 Business Solutions Inc.
San Diego, CA

**Outbound B2B Telemarketing Sales (Manila-Based)** G2 is a growing payroll and credit card processing company based in San Diego, California, and we are looking for a Manila-based candidate with a p…

View Details
Posted 2026-02-13

Senior Traction Power Engineer

Hatch
Los Angeles, CA

Requisition ID: 95594  Job Category:  Infrastructure; Consulting; Engineering; Project Engineering; Project Management  Location:  Los Angeles, CA, United States  Join a company that is passi…

View Details
Posted 2025-11-15

Software Engineer - Mining Autonomy

Applied Intuition
Mountain View, CA

About Applied Intuition Applied Intuition is the vehicle intelligence company that accelerates the global adoption of safe, AI-driven machines. Founded in 2017, Applied Intuition delivers the to…

View Details
Posted 2026-02-16

Club Lounge Attendant

Millennium Hotel and Resorts
Los Angeles, CA

Millennium Hotels and Resorts is looking for a dedicated and enthusiastic Club Lounge Attendant to join our exceptional team. In this role, you will provide personalized service to our valued guests …

View Details
Posted 2026-03-03

Teacher, Transitional Kindergarten- 2026-2027 School Year- Bay Area

Aspire Public Schools
Richmond, CA

Description Aspire Public Schools – Bay Area is now accepting applications for the 2026–2027 school year! We are seeking passionate educators to join our team of dedicated teachers. Join Our Talen…

View Details
Posted 2026-02-21

Senior Software Engineer

Metriport
San Francisco, CA

Senior Software Engineer San Francisco, CA Metriport is an open-source data intelligence platform that helps healthcare organizations access and exchange patient data in real-time. We integrat…

View Details
Posted 2026-02-22

Phlebotomist

Covance Inc.
Brentwood, CA

At LabCorp we have a passion in helping people live happy and healthy lives. Every day we provide vital information that helps our clients and patients understand their health. If you are passionate …

View Details
Posted 2026-03-03

PHP Developer

Alpha Net
San Francisco, CA

Job Responsibilities Write clean, well-designed code Produce detailed specifications Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and…

View Details
Posted 2026-02-28

Vehicle Support Engineer - HMI Systems

Wealth Recruitment, LLC
Foster, CA

As a Fleet Support Engineer focused on Human Machine Interface (HMI) and passenger experience systems, you’ll play a critical role in keeping our autonomous fleet operational, reliable, and customer-…

View Details
Posted 2026-02-10

Senior ServiceNow Developer with Secret Clearance (Monterey, CA)

Icf International, Inc.
San Jose, CA

Please note: This role is contingent upon a contract award. While it is not an immediate opening, we are actively conducting interviews and extending offers in anticipation of the award. …

View Details
Posted 2026-03-10