Remote Xamarin Developer Jobs in Texas (NOW HIRING)

Date Posted:

2026-07-31

Country:

United States of America

Location:

US-TX-REMOTE

Position Role Type:

Remote

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​

Security Clearance Type:

Secret - Current

Security Clearance Status:

Active and existing security clearance required on day 1

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. 

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Our Cybersecurity Technical Solutions is seeking a Senior Software Developer for Security Tools. This position will be 100% remote. Employees who are working in remote roles will work primarily offsite (from home) but may be expected to travel to the site location as needed. The successful candidate for this role will be required to reside and work from one of the 50 U.S. states (excluding U.S. territories).

The Cybersecurity software development position is an individual contributor working with a team of developers maturing solutions within the Raytheon portfolio. This individual will partner with Raytheon Global Security Service (GSS) counterparts across Raytheon working closely with Digital Technology partners to ensure alignment to facilitate requirements and automate, where possible.

This position will be part of an agile team working to develop applications in alignment with Raytheon leadership to create new capabilities on existing software applications as well as create new applications. This position will require experience with database management, data models, as well as several programming languages. Successful candidate must be innovative and team oriented; must possess good judgment and highly effective coding skills.

What You Will Do

• Responsible for designing, developing, and maintaining web applications using the Model-View-Controller (MVC) architectural pattern.
• Develop, test, and deploy software using programming languages and frameworks relevant to the organization’s technology stack.
• Collaborate closely with stakeholders to understand requirements, ensure solutions meet business goals, and provide technical support to resolve issues.
• Design, develop, and maintain internal web applications supporting cybersecurity operations.
• Develop new features using ASP.NET MVC, C#, JavaScript, HTML/CSS, and SQL Server.
• Design and optimize SQL queries, stored procedures, and database objects for large enterprise datasets.
• Demonstrated ability to troubleshoot complex issues across application code, SQL Server, and production environments.
• Automate manual cybersecurity and compliance processes through software solutions.
• Collaborate with cybersecurity analysts and system stakeholders to translate operational requirements into technical solutions.
• Participate in code reviews, testing, deployments, and continuous improvement activities.
• Contribute to maintenance and modernization of existing applications while developing new capabilities.
• Document technical designs, database changes, and application functionality.
• Comfortable working across the full application stack, including database, backend services, web applications, and production troubleshooting.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience
• Five (5) years of direct experience in Software Engineering.
• Experience designing SQL Server stored procedures, views, functions, indexes, and query optimization.
• Experience with DevSecOps: Azure DevOps, Git, Pull Requests, CI/CD, Work item management.
• Experience with any of the following application coding development languages: C#, SQL Server, JavaScript, HTML/CSS, ASP.NET MVC
• Experience in software tools, such as ASP.NET MVC, Entity Framework, SQL Server, Stored Procedures, REST APIs, JSON, jQuery, Bootstrap, DataTables, IIS, Azure DevOps, Git

Qualifications We Prefer

• Experience in Agile development methods including Scrum, automated testing, and continuous integration.
• Experience developing applications supporting cybersecurity, compliance, governance, or enterprise operations.
• Understanding of various software development architectural framework methodologies (i.e. Layered, Event-Tier, Microkernel, etc.)
• Experience understanding and implementing compliance regulations such as DFARS, DAAPM, JASIG, ICD, FAA, HIPAA, NIST 800-53, and/or other government regulations/requirements

What We Offer

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.

Relocation Non-Eligible – Relocation assistance not available

Learn More & Apply Now!

Please consider the following role type definition as you apply for this role:

Remote: This position currently is designated as remote. Employees who are working in remote roles will work primarily offsite (from home) but may be expected to travel to the site location as needed. The successful candidate for this role will be required to reside and work from one of the 50 U.S. states (excluding U.S. territories).

We are RTX

#LI-Onsite

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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