Senior Developer – Full Stack (C#/.NET & React)

BMR Infotek; Coppell (TX); On-site; USD 69,000 - 83,000; Full time

Job summary

BMR Infotek in Coppell, TX onsite is seeking a skilled software engineer to design and build backend services in C#/.NET and frontend apps with React. This onsite, 12-month engagement requires strong SQL Server expertise and experience with Azure Service Bus and secure API integration.

You will collaborate with QA, product, and DevOps to deliver scalable, high-performance systems and robust CI/CD pipelines, while adhering to best practices in testing, reliability, and performance optimization.

Qualifications

• Experience with C#, .NET Core/.NET and RESTful APIs.
• Hands-on React and frontend JS/TypeScript skills.
• Strong SQL Server expertise with stored procedures and indexing.
• Experience with Azure Service Bus / Pub-Sub.
• Secure coding, API integration, authentication and authorization.
• Debugging, automated testing, CI/CD and performance optimization.

Responsibilities

• Design, develop, and maintain scalable backend services using C# and .NET.
• Build responsive web applications with React and modern JavaScript/TypeScript.
• Design and optimize SQL Server databases, queries, stored procedures, and indexes.
• Implement event-driven solutions using Azure Service Bus, including retries and idempotency.
• Integrate frontend, backend, databases and distributed systems securely and efficiently.
• Collaborate with QA, product, and DevOps teams on design, testing, deployment, and continuous improvement.

Skills

C#

.NET Core/.NET

RESTful APIs

React

JavaScript/TypeScript

Frontend development

SQL Server

Stored procedures

Performance optimization

Azure Service Bus / Pub-Sub

API integration & security

CI/CD & automated testing

Tools

Azure Service Bus

Job description

Client: New Raise
Location: Coppell, TX - Onsite
Duration: 12 Months
Rate: $50/hour on W-2 or $60/hour on 1099

Must-Have Skills

• Strong experience with C#, .NET Core/.NET, and RESTful APIs
• Hands-on experience with React, JavaScript/TypeScript, and frontend development
• Strong expertise in SQL Server, stored procedures, complex queries, and performance optimization
• Experience with event-driven architecture and Azure Service Bus / Pub-Sub
• Knowledge of API integration, authentication, authorization, and secure coding
• Experience with debugging, automated testing, CI/CD, and application performance optimization

Key Responsibilities

• Design, develop, and maintain scalable backend services using C# and .NET.
• Build responsive web applications using React and modern JavaScript/TypeScript.
• Design and optimize SQL Server databases, queries, stored procedures, and indexes.
• Implement event-driven solutions using Azure Service Bus, including asynchronous processing, retries, and idempotency.
• Integrate frontend, backend, databases, and distributed systems securely and efficiently.
• Collaborate with QA, product, and DevOps teams on design, testing, deployment, and continuous improvement.