Sr. Software Developer - Apps/C# .NET

Great Bay Staffing Group
Melbourne, FL

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

Join our innovative development team as a Senior .NET C# Software Developer and create cutting-edge cross-platform mapping and GIS solutions for mobile, desktop, and web platforms. This role offers the opportunity to design and develop next-generation app building technology using the latest .NET frameworks including Xamarin, MAUI, and C# .NET. You'll work on feature-rich applications that power field mapping, data collection, sensor networks, and navigation systems used by professionals worldwide.

Key Responsibilities

  • Design and develop native cross-platform mobile applications using C# .NET, Xamarin, Xamarin Forms, and .NET MAUI
  • Create responsive and intuitive user interfaces for mobile (iOS/Android), desktop, and web-based GIS systems
  • Build feature-rich modernized applications as part of an Agile development team
  • Develop software solutions for field mapping, data collection, sensor networks, and street navigation applications
  • Design and implement APIs and web services for ArcGIS software integration
  • Collaborate with cross-functional teams of programmers and developers throughout the software development lifecycle
  • Define user requirements and ensure applications meet real-world usage scenarios
  • Solve complex problems related to application architecture, development, and user experience design
  • Work with JSON, XAML/XML, and Web Services to build and consume data
  • Participate in code reviews and maintain version control using GitHub

Required Qualifications

  • 5+ years of commercial software development experience in a professional environment
  • Expert-level proficiency in .NET C# programming and passionate about .NET technologies
  • Proven experience with Xamarin, Xamarin Forms, and/or .NET MAUI development
  • Strong understanding of cross-platform mobile app development for iOS and Android
  • Hands-on experience building and consuming JSON, XAML/XML, and Web Services
  • Demonstrated flair for user experience (UX) and user interface (UI) design
  • Solid understanding of algorithms, design patterns, and software architecture
  • Experience with development tools including GitHub, Jenkins, and Microsoft App Center
  • Ability to thrive in an Agile environment and collaborate effectively with development teams
  • Excellent time management, organizational, and problem-solving skills
  • Strong written and verbal communication skills
  • Bachelor's degree in Computer Science, Software Engineering, Mathematics, GIS, or related technical field

Preferred Qualifications

  • Master's degree in Computer Science, Software Engineering, Mathematics, GIS, or related field
  • Experience with Telerik UI for .NET framework
  • Native mobile application development experience for iOS and Android platforms
  • Background in Geographic Information Systems (GIS) or mapping technologies
  • Experience with ArcGIS software development

Compensation

Annual Salary: A$125,000 - A$155,000 AUD, commensurate with experience and qualifications

Why This Is a Great Opportunity

This Senior .NET C# Software Developer position offers the chance to work on cutting-edge technology that impacts users globally. You'll be at the forefront of cross-platform mobile development, working with the latest .NET technologies including MAUI and Xamarin to create innovative GIS and mapping solutions. Join a collaborative Agile team where your expertise in C# development and passion for creating exceptional applications will help shape the next generation of app building technology. This role provides the perfect blend of technical challenge, creative problem-solving, and the opportunity to see your work used by professionals in field mapping, navigation, and data collection worldwide.

Apply Today

If you're a passionate .NET C# developer with cross-platform mobile development experience and a desire to work on innovative GIS and mapping applications, we want to hear from you. Qualified candidates are encouraged to apply today and take the next step in your software development career. Join our team and help build the future of mobile mapping technology!

Posted 2026-03-19

Recommended Jobs

Cardiovascular Sonographer II-Echocardiographer

Lee Health
Fort Myers, FL

Location: Gulf Coast Medical Center -13681 Doctor's Way Fort Myers FL 33912 Department: Cardiovascular Services Work Type: Full Time Shift: Shift 2/3:00:00 PM to 11:30:00 PM Minimum t…

View Details
Posted 2026-02-18

Commercial HVAC Service Technician

Gulf Coast HVAC
Tampa, FL

We are seeking a skilled and dedicated Commercial HVAC Service Technician to join our team. The ideal candidate will have a strong mechanical background and 3+ years of experience in commercial air c…

View Details
Posted 2026-01-09

Senior Analyst, Business Systems

Royal Caribbean Group
Miramar, FL

Journey with us!  Combine your career goals and sense of adventure by joining our exciting team of employees. Royal Caribbean Group is pleased to offer a competitive compensation and benefits package…

View Details
Posted 2026-02-03

AVL System Design Engineer

Churchfront
Melbourne, FL

AVL System Design Engineer Churchfront LLC | Melbourne, Florida At Churchfront, we believe technology—when paired with timeless truths—can unlock new potential in ministry. We're a national AVL…

View Details
Posted 2026-03-09

Legal Admin

Mandarich Law Group, LLP
Lake Mary, FL

Mandarich Law Group, LLP is a leading debt collection law firm with offices located in multiple states. We are currently recruiting for a Legal Admin for our Lake Mary, FL office. This a full-time…

View Details
Posted 2026-03-10

Territory Portfolio Manager

Schindler
Orlando, FL

Location: Orlando, FL, United States  Job ID: 86289  We Elevate... Quality of urban life Our elevators, escalators, and moving walks safely transport more than two billion of us up and down bu…

View Details
Posted 2026-01-22

Pest Control Technician (Key West)

Ecolab
Key West, FL

Want to build a brighter, bolder future and cultivate your career? Join Ecolab’s team and help create a world in which we all thrive.     Our Pest Elimination team proudly serves our communities …

View Details
Posted 2026-03-18

Art Teacher K-8- 2026-2027 School Year- Bay Area

Aspire Public Schools
Bay County, FL

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. *If you’re con…

View Details
Posted 2026-02-05

Civil Litigation Attorney - FDCPA & Class Action Defense

Titans Law
Orlando, FL

Practice Law on Your Terms — With Titans Law Titans Law is seeking an experienced  Civil Litigator with a strong background in defending  Fair Debt Collection Practices Act (FDCPA) lawsuits and co…

View Details
Posted 2026-02-24