Senior .NET Developer

Salary: $62000 - 103000 per year Requirements: Strong, hands-on experience with C# and modern Microsoft .NET technologies. Extensive background with .NET Framework and .NET Core. Practical experience with .NET 6, .NET 7, and/or .NET 8. Proven experience designing and building microservices-based solutions. Deep experience developing secure REST APIs and RESTful web services. Solid understanding of event-driven architecture and related design patterns. Hands-on experience with Amazon Web Services and cloud-native application development. Experience with AWS Lambda and Amazon API Gateway. Experience with Amazon SQS and Amazon SNS for messaging and event processing. Experience with AWS Step Functions for workflow orchestration. Experience with Amazon S3 and Amazon RDS. Strong enterprise application design and software development experience. Demonstrated hands-on coding and development capability. Strong understanding of scalable application design and cloud-native architecture. AWS certifications such as Solutions Architect, Developer, or DevOps Engineer are preferred. Exposure to Generative AI, large language models, retrieval-augmented generation, AWS Bedrock, agentic AI, prompt engineering, and vector databases is highly desirable. Prior experience in Wealth Management or Financial Services is preferred. Experience providing technical leadership to engineering teams is preferred. Responsibilities: Design, develop, and maintain enterprise applications using C# and .NET. Build modern solutions on .NET Framework, .NET Core, and .NET 6/7/8. Architect and implement scalable microservices. Develop and integrate secure REST APIs and web services. Apply event-driven architecture principles in solution design. Create cloud-native applications using AWS services. Develop serverless solutions with AWS Lambda and API Gateway. Implement asynchronous messaging and event processing with Amazon SQS and Amazon SNS. Build workflow orchestration solutions using AWS Step Functions. Use Amazon S3 and Amazon RDS for cloud storage and database solutions. Participate in architecture, technical design, development, testing, and deployment activities. Provide technical guidance, code reviews, and leadership to engineering teams. Collaborate closely with architects, developers, product teams, and business stakeholders. Evaluate and integrate emerging Generative AI and LLM technologies into enterprise applications. Explore and implement RAG, AWS Bedrock, Agentic AI, prompt engineering, and vector database solutions. Ensure solutions meet enterprise standards for coding quality, scalability, security, and performance. Stay actively involved in hands-on development, especially in lead and architect-level roles. Technologies: .NET Framework AI API AWS Lambda Architect C# Cloud DevOps LLM REST Security Serverless Web microservices ASP.NET More: We are hiring a Senior .NET Developer / .NET Lead for a full-time, permanent role based in Fort Mill, SC. We require W2 employment only and are looking for someone who can remain hands-on while leading technical delivery. Our work focuses on scalable enterprise applications in the Wealth Management and Financial Services space, with strong emphasis on modern .NET, microservices, AWS cloud services, APIs, and emerging Generative AI technologies. last updated 28 week of 2026