Senior .NET & AWS Cloud Engineer

Quantum Technologies. LLC; Fort Mill, Northern (SC, KY); Hybrid; USD 110,000 - 160,000; Full time

Job summary

QUANTUM TECHNOLOGIES LLC is seeking a senior .NET/Core engineer in Fort Mill, SC to lead high-performance application development and secure API design. You will drive cloud adoption on AWS and collaborate with cross-functional teams to ensure reliable, scalable solutions.

The role requires deep C#/.NET knowledge, Roslyn tooling experience, and strong problem-solving and communication skills. On-site work in Fort Mill with potential for impact across cloud-native architectures.

Qualifications

• 7+ years of professional experience with C and .NET Framework Core.
• Deep understanding of .NET compilation IL code and runtime behavior.
• Hands-on experience with Roslyn Code Analysis for code generation and analysis.
• Proficiency in creating source generators, code analyzers, and syntax rewriters.
• Strong knowledge of MSBuild, custom build tasks, and .NET SDK.
• Experience with Reflection, Expression Trees, and dynamic code generation.
• Expertise in T4 templates, Razor templating, or similar code-generation technologies.
• Understanding of ASP.NET Core, Entity Framework Core, and modern .NET patterns.
• AWS hands-on experience with AWS services and cloud architecture.
• Problem solving and ability to design solutions for complex challenges.
• Excellent verbal and written communication for stakeholder interaction and team leadership.

Responsibilities

• Lead the design and development of high-performance applications using C# and .NET Core.
• Architect and implement secure scalable RESTful APIs.
• Drive cloud adoption and optimize deployments on AWS.
• Collaborate with product owners, architects, and QA teams to deliver quality solutions; conduct code reviews, troubleshoot issues, and ensure system reliability.
• Stay ahead of emerging technologies and contribute to technical strategy.

Skills

C

NET Core

Roslyn

Source Generators

Code Analysis

MSBuild

REST APIs

AWS

ASP.NET Core

Entity Framework Core

T4 templates

Razor templating

Reflection

Expression Trees

Problem Solving

Communication

Tools

MSBuild

Job description

QUANTUM TECHNOLOGIES LLC is seeking a senior .NET/Core engineer in Fort Mill, SC to lead high-performance application development and secure API design. You will drive cloud adoption on AWS and collaborate with cross-functional teams to ensure reliable, scalable solutions.

The role requires deep C#/.NET knowledge, Roslyn tooling experience, and strong problem-solving and communication skills. On-site work in Fort Mill with potential for impact across cloud-native architectures.