ASP.NET Core Backend Engineer - REST APIs & Azure

Quantum Technologies. LLC; Tampa (FL); On-site; USD 90,000 - 130,000; Full time

Job summary

Quantum Technologies. LLC is seeking a .NET Developer to build, enhance, and maintain enterprise applications using the .NET ecosystem. You will design REST APIs, implement business logic, and optimize databases.

The role requires strong experience with C#, ASP.NET Core, and modern Microsoft tech stacks, along with a solid understanding of DI, SOLID principles, and testing. Join a collaborative Agile team in a dynamic environment.

Qualifications

• Experience designing and maintaining enterprise applications with C# and ASP.NET Core.
• Build RESTful APIs and backend services for web and business apps.
• Strong SQL Server and T-SQL skills.
• Experience with EF Core, LINQ, or Dapper.
• Experience with Azure or AWS.
• Familiarity with CI/CD and Azure DevOps.
• Unit and integration testing experience.
• Good understanding of SOLID and design patterns.

Responsibilities

• Design, develop, and maintain enterprise apps with C# and ASP.NET Core.
• Build RESTful APIs and backend services for web apps.
• Implement business logic, validation, authentication, and authorization.
• Develop database objects, stored procedures, and optimized SQL queries.
• Integrate apps with internal systems and third-party APIs.
• Apply dependency injection, asynchronous programming, and proper exception handling.
• Write unit and integration tests to ensure reliability.
• Troubleshoot defects and resolve production issues.
• Participate in code reviews and maintain coding standards.
• Deploy and support apps using Azure DevOps or CI/CD tools.
• Collaborate with architects, QA, BAs, and product teams.
• Participate in Agile/Scrum ceremonies and sprints.
• Maintain technical documentation and performance improvements.

Job description

Quantum Technologies. LLC is seeking a .NET Developer to build, enhance, and maintain enterprise applications using the .NET ecosystem. You will design REST APIs, implement business logic, and optimize databases.

The role requires strong experience with C#, ASP.NET Core, and modern Microsoft tech stacks, along with a solid understanding of DI, SOLID principles, and testing. Join a collaborative Agile team in a dynamic environment.