RTX · 12 hours ago
Senior Principal Full Stack Developer - C#, .NET, DevExpress
United States
Full-time
Remote
Senior Level, Lead/Staff
$108K/yr - $204K/yr
5+ years expRaytheon is a company committed to helping the nation and allies defend freedoms and deter aggression through advanced engineering expertise. They are seeking a Senior Principal Full Stack Developer to build high-quality web applications that enhance manufacturing processes, collaborating with various stakeholders to deliver secure and scalable software solutions.
AerospaceManufacturingSecuritySensorTelecommunications
No H1B
U.S. Citizen Only
Responsibilities
Collaborate with stakeholders (Operations, Manufacturing Engineering, Quality, Finance, etc.) to understand business needs and define secure, scalable software solutions
Build and maintain Blazor web applications with C#/.NET and DevExpress (front-end + APIs/services)
Deploy and operate applications on Azure (App Services, Azure SQL, Storage, Functions, etc.)
Improve UI/UX design and modernize existing applications
Implement and secure AI-assisted features using Azure OpenAI or related services
Contribute to system architecture decisions, code reviews, and mentoring while upholding engineering standards
Support DevOps practices, including CI/CD, monitoring, and operational readiness
Qualification
Required
Typically requires a University Degree or equivalent experience and minimum 5 years prior relevant experience, or An Advanced Degree in a related field and minimum 3 years experience
C#/.NET experience; Blazor experience strongly preferred
Experience with DevExpress Blazor (DxGrid/editors/reporting) and optimizing for large datasets
Experience building data-driven apps with SQL (Azure SQL/SQL Server) and performance-minded querying
Experience deploying/operating apps in Azure (App Services + related services)
Familiarity with CI/CD pipelines and observability tools in Azure
U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract
Preferred
Experience with AI/ML and integrating responsible AI practices
Familiarity with data science tools such as R or Python analytics libraries
Proficiency in Infrastructure as Code (Bicep/ARM/Terraform) and PowerShell automation
Knowledge of Azure identity integrations (Azure AD, OAuth2/OIDC)
Background in asynchronous integration patterns (Functions, Service Bus, Logic Apps)
Benefits
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
Holidays
Company
RTX
RTX is comprised of three market-leading businesses – Collins Aerospace, Pratt & Whitney and Raytheon – working as one to answer the biggest questions and solve the hardest problems in aerospace and defense.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$3.2MKey Investors
LIFT Ecosystem Accelerator
2024-02-22Grant· $0.2M
2019-06-09Acquired
2010-01-14Grant· $3M
Leadership Team
Daniel Conroy
Chief Technology Officer - Digital
Kevin DaSilva
Corporate Vice President & Treasurer
Recent News
bloomberglaw.com
2026-01-22
Business Insider
2026-01-09
Company data provided by crunchbase