Remote Senior .NET Full-Stack Engineer

One Call; Salt Lake City (UT); On-site; USD 110,000 - 150,000; Full time

Job summary

One Call is seeking a seasoned Full Stack Engineer to design, develop, and maintain scalable web applications using .NET technologies, ASP.NET, and Microsoft SQL Server. You will work across frontend and backend, delivering secure, high-performance software that meets business needs.

The ideal candidate has 7+ years in full stack development, strong C#, MVC/Core, REST APIs, and experience with MSSQL, HTML5/CSS3, and modern JS frameworks (React/Angular).

Qualifications

• Bachelor's degree in Computer Science or related field (or equivalent experience).
• 7+ years of experience in full stack development.
• Strong proficiency in C# and .NET Framework/.NET Core, MVC, Web API, MSSQL.
• Experience with complex SQL queries and performance tuning.
• Front-end tech: JavaScript, HTML5, CSS3.
• At least one framework (React, Angular, or Vue).
• Understanding of REST APIs, authentication (JWT, OAuth) and web security.
• Experience with Git and version control systems.
• Experience with Azure or other cloud platforms (AWS/GCP).
• Knowledge of Docker, Kubernetes.
• Exposure to microservices architecture.
• Understanding of TDD and unit/integration testing.
• Ability to work independently and in a team.

Responsibilities

• Design, develop, and maintain web applications using ASP.NET, (MVC/Core) and C#.
• Build and consume RESTful APIs and microservices.
• Develop responsive front-end interfaces using HTML, CSS, JavaScript, and modern frameworks (Angular/React).
• Write efficient, scalable database queries, stored procedures, and functions in SQL Server (MSSQL).
• Optimize application performance, scalability, and security.
• Collaborate with product managers, designers, and other engineers in Agile environments.
• Troubleshoot and debug production issues with a focus on reliability and performance.
• Participate in code reviews and ensure best practices in coding, testing and deployment.
• Implement CI/CD pipelines and contribute to DevOps practices.

Skills

C#

ASP.NET

REST APIs

Microservices

SQL Server

JavaScript

React

Angular

Azure

Docker

Kubernetes

OID/OAuth

Git

Education

Bachelor's degree in Computer Science or related field

Tools

Git

SQL Server Management Studio

CI/CD tools

Visual Studio

Job description

One Call is seeking a seasoned Full Stack Engineer to design, develop, and maintain scalable web applications using .NET technologies, ASP.NET, and Microsoft SQL Server. You will work across frontend and backend, delivering secure, high-performance software that meets business needs.

The ideal candidate has 7+ years in full stack development, strong C#, MVC/Core, REST APIs, and experience with MSSQL, HTML5/CSS3, and modern JS frameworks (React/Angular).