Senior .NET Full-Stack Engineer | API, Azure & DevOps

One Call; Saint Paul (MN); On-site; USD 120,000 - 170,000; Full time

Job summary

One Call is seeking a highly motivated Full Stack Engineer with strong .NET, ASP.NET, and MSSQL experience to design, develop, and maintain scalable web applications. You will work across frontend and backend systems to deliver high-quality, secure, and performant solutions.

The role requires 7+ years in full stack development, expertise in C#, .NET Framework/.NET Core, MVC/Web API, MSSQL, and modern front-end frameworks. Collaboration in Agile teams and DevOps practices is essential for success.

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 Microsoft SQL Server (MSSQL), TSQL.
• Experience writing complex SQL queries, joins, indexing, and performance tuning.
• Familiarity with front-end technologies: 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.

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

.NET

C#

MVC/Core

SQL Server

REST APIs

JavaScript

HTML/CSS

Angular/React

Git

Azure

Education

Bachelor's degree in Computer Science or related field

Tools

Docker

Kubernetes

Kafka

RabbitMQ

Git

Job description

One Call is seeking a highly motivated Full Stack Engineer with strong .NET, ASP.NET, and MSSQL experience to design, develop, and maintain scalable web applications. You will work across frontend and backend systems to deliver high-quality, secure, and performant solutions.

The role requires 7+ years in full stack development, expertise in C#, .NET Framework/.NET Core, MVC/Web API, MSSQL, and modern front-end frameworks. Collaboration in Agile teams and DevOps practices is essential for success.