Senior .NET Developer - Azure, APIs & Microservices

Quantum Technologies LLC; Denver (CO); On-site; USD 90,000 - 130,000; Full time

Job summary

Quantum Technologies LLC in Denver, CO is seeking an experienced .NET Developer to design, develop, test, and maintain scalable enterprise applications using Microsoft .NET technologies. You will build RESTful APIs, microservices, and data access layers with Entity Framework, while ensuring security with OAuth 2.0, JWT, and ASP.NET Identity.

Collaborate with analysts, QA, and cross-functional teams in an Agile/Scrum environment, optimize performance, and contribute to DevOps through Azure

Qualifications

• Proficient in C# and .NET technologies with hands-on experience.
• Strong experience building RESTful APIs and microservices.
• Experience with relational databases and SQL Server.
• Familiarity with Entity Framework, LINQ, and data access patterns.
• Knowledge of authentication/authorization using OAuth 2.0, JWT, and ASP.NET Identity.
• Experience deploying to Azure and working with cloud services.
• A good grasp of Agile/Scrum methodologies and code reviews.

Responsibilities

• Design, develop, test, and maintain scalable web applications and enterprise software using Microsoft .NET technologies.
• Build RESTful APIs and microservices using ASP.NET Core Web API.
• Implement backend logic with C# and OO principles.
• Work with SQL Server, procedures, triggers, and query optimization.
• Integrate third-party APIs and external systems.
• Develop and maintain EF and LINQ-based data access layers.
• Implement authentication/authorization using modern standards.
• Collaborate with analysts,QA, and cross-functional teams.
• Follow Agile/Scrum and participate in sprint planning.
• Optimize performance, scalability, and security.
• Maintain technical documentation and production deployment support.

Skills

C#

.NET Core

ASP.NET MVC

ASP.NET Core Web API

RESTful APIs

Microservices

Entity Framework

LINQ

OAuth 2.0 / JWT

Azure

SQL Server

Tools

SQL Server

Azure

Job description

Quantum Technologies LLC in Denver, CO is seeking an experienced .NET Developer to design, develop, test, and maintain scalable enterprise applications using Microsoft .NET technologies. You will build RESTful APIs, microservices, and data access layers with Entity Framework, while ensuring security with OAuth 2.0, JWT, and ASP.NET Identity.

Collaborate with analysts, QA, and cross-functional teams in an Agile/Scrum environment, optimize performance, and contribute to DevOps through Azure