Senior C# .NET Backend & Full-Stack Engineer

Robotics Technologies LLC; Lewisville (TX); On-site; USD 120,000 - 150,000; Full time

Job summary

Robotics Technologies LLC is seeking an experienced C# Full Stack Developer with strong backend engineering and hands-on experience with .NET technologies, Angular, cloud platforms, and event-driven architectures. The role focuses primarily on backend development, troubleshooting, performance, and building scalable software solutions.

You will work with technical leads on design and troubleshooting, with a path toward senior engineering or architecture, and onsite five days a week in Lewisville,

Qualifications

• 5–6+ years of professional software engineering experience.
• Strong hands-on experience with C#, .NET Core, and .NET Framework.
• Backend-focused role with approximately 85% backend and 15% frontend responsibilities.
• Experience with RESTful APIs and web applications.
• Experience with event-driven architectures and service-based applications.
• Familiarity with Azure Cosmos DB and database integration.
• Cloud awareness and troubleshooting in cloud environments.
• Strong debugging and root-cause analysis skills.
• Excellent communication and collaboration abilities.
• Willing to work onsite five days a week in Lewisville, TX.
• W2 eligibility; US Citizen or Green Card preferred.

Responsibilities

• Design, develop, test, and maintain scalable applications using C#, .NET Core, and .NET Framework.
• Develop and maintain backend services and RESTful APIs.
• Build and support event-driven architectures and service-based applications.
• Work with Azure Cosmos DB and other databases to support functionality.
• Troubleshoot complex issues and identify root causes.
• Monitor performance, reliability, and scalability in cloud environments.
• Collaborate with leads and architects on design and improvements.
• Participate in code reviews, debugging, and testing.
• Follow secure coding practices and standards.
• Collaborate with QA, product, and other stakeholders.
• Identify issues and drive improvements to completion.

Skills

Backend development

RESTful APIs

Event-driven architectures

Problem solving

Communication

Team collaboration

Growth mindset

Tools

Entity Framework

Git

CI/CD pipelines

DevOps practices

Azure

Job description

Robotics Technologies LLC is seeking an experienced C# Full Stack Developer with strong backend engineering and hands-on experience with .NET technologies, Angular, cloud platforms, and event-driven architectures. The role focuses primarily on backend development, troubleshooting, performance, and building scalable software solutions.

You will work with technical leads on design and troubleshooting, with a path toward senior engineering or architecture, and onsite five days a week in Lewisville,