Senior Full Stack Application Developer (.NET MAUI)

Come join a high-performing team developing new mobile platform offerings and pushing mobile technologies to new adopters. The right candidate will have the opportunity to fleet up to work technical architecture on the program too. We are building a cross-platform mobile app suite for diverse Government clients to be deployed on a wide spectrum of devices in iOS Android and Windows platforms. This is a unique opportunity to expand your mobile development skills and experience while putting valuable tools into end users hands. Our users are first responders and our well-crafted tools can literally save lives.

Key Skills: 6 years of professional experience /C# cross-platform mobile development keen desire to learn new skills and affinity for mobile platforms.

GXM is a team of creative professionals focused on solving problems for end users. We thrive on turning innovation into actual application working with clients who need rapid ideation and solution development for their organizations. If you are interested in working on challenging problems making a difference for end users and having fun along the way with a group of passionate professionals youll fit right in.

GXM provides a comprehensive benefits package. Our benefits include medical dental and vision insurance employer-paid life insurance short-term and long-term disability 401(k) plan with employer matching Flexible Spending Account employer-paid parking flexible Paid Time Off policy and 11 Federal holidays.

Responsibilities

• Design and build mobile solutions to support users mission-critical requirements.
• Work on all layers of the mobile application (backend data GUI middle).
• Work with a talented cross-functional team of engineers testers and domain experts to design build and test new mobile solutions for government customers.
• Support end users by creating innovative solutions for distributing mobile apps and data to unique device configurations.
• Enjoy a casual friendly company culture with people that know how to work hard yet take time to have fun as a team.

• MUST BE A US CITIZEN.
• MUST BE ABLE TO OBTAIN A GOVERNMENT PROCESSED CLEARANCE. Fingerprint processing will occur onsite Day 1.
• Must be able to travel to the GXM office in Arlington VA as needed and to other areas of Virginia/Maryland for testing with the client (estimated to be quarterly).
• BS/MS degree in Computer Science Engineering or related technical field.
• 6 years of professional experience in any modern Object Oriented language like C# C or Java (or comparable experience with cross-platform mobile development tools such MAUI/Xamarin Forms).
• 3 years of professional experience with relational databases such as SQL Server or SQLite with expertise in writing complex SQL queries.
• Experience with agile/scrum software development methodology.
• Excellent verbal and written communication skills.
• Ability to understand architecture concepts for technical solutioning.

Preferred

• /C# development experience.
• 3 years of proven mobile development experience.
• Published one or more apps to app store(s).
• Deep experience with mobile technology.
• Experience with MAUI.
• Experience with frameworks for developing mobile apps across multiple platforms (e.g. .NET MAUI/Xamarin Flutter React Native Ionic KMP or Electron).
• Experience with Blazor HTML CSS and JavaScript.
• Experience with PowerShell and Python scripting.
• Experience with WPF application development.
• Experience with writing C# unit tests (NUnit).
• Experience with Continuous Integration/Development practices and technologies.
• Experience with automated testing procedures and frameworks.
• Experience/familiarity with practices and procedures for handling Controlled Unclassified Information (CUI).
• Active Secret Clearance or above preferred.

Equal Employment Opportunity / Legal Disclaimer

GXM Technologies LLC is an Equal Opportunity Employer and participates in E-Verify to confirm employment eligibility. All qualified applicants will receive consideration for employment without regard to race color religion sex (including pregnancy) sexual orientation gender identity national origin age disability genetic information veteran status or any other legally protected status. GXM Technologies LLC provides reasonable accommodations in accordance with applicable law. This job description is not intended to be a complete list of duties and responsibilities which may change at any time with or without notice. Employment is at-will where permitted by law meaning either the employee or the Company may terminate employment at any time with or without cause or notice subject to applicable legal requirements.