Senior C# Backend Engineer | .NET & Cloud – Lewisville

Robotic Technologies Automation; Lewisville (TX); On-site; USD 110,000 - 140,000; Full time

Job summary

Robotic Technologies Automation is seeking an experienced C# Full Stack Developer with strong backend engineering skills to design, build, and optimize scalable applications. You will focus primarily on backend development using C#, .NET Core/Framework, and RESTful APIs while collaborating with architects on system design and performance improvements.

The role emphasizes problem-solving, secure coding, and enterprise‑grade reliability in cloud environments; onsite presence in Lewisville, TX is

Qualifications

• 5–6+ years of professional software engineering or full stack development experience.
• Strong hands-on experience with C#, .NET Core, and .NET Framework.
• Backend focus (~85%), with experience developing web apps and RESTful APIs.
• Experience with event-driven architectures and cloud environments.
• Familiarity with Azure Cosmos DB and database integration.
• W2 eligibility in the US; on-site Lewisville, TX required.

Responsibilities

• Design, develop, test, and maintain scalable C# applications using .NET Core/Framework.
• Develop and maintain backend services, RESTful APIs, and web services.
• Build and support event-driven architectures and service-based apps.
• Work with Azure Cosmos DB and other databases.
• Troubleshoot complex issues and identify root causes.
• Monitor performance and scalability in cloud environments.
• Collaborate with leads and architects on design and improvements.
• Participate in code reviews, debugging, and performance optimizations.
• Follow secure coding practices and standards.
• Collaborate with QA, product, and engineering teams.
• Identify issues and take ownership of tasks.

Skills

C#

.NET Core

.NET Framework

RESTful APIs

Backend development

Azure Cosmos DB

Event-driven

Cloud troubleshooting

Problem-solving

Communication

Tools

Azure

Git

CI/CD

DevOps

Entity Framework

Job description

Robotic Technologies Automation is seeking an experienced C# Full Stack Developer with strong backend engineering skills to design, build, and optimize scalable applications. You will focus primarily on backend development using C#, .NET Core/Framework, and RESTful APIs while collaborating with architects on system design and performance improvements.

The role emphasizes problem-solving, secure coding, and enterprise‑grade reliability in cloud environments; onsite presence in Lewisville, TX is