Senior .NET Full-Stack Developer: AI Tools & Cloud

KeyMark; Liberty (SC); On-site; USD 110,000 - 150,000; Full time

Job summary

KeyMark is seeking a .NET Full Stack Developer for KeyMark Labs to advance our product roadmap for Forms InMotion, Relay, ePosit, and FileHold integrations. You will work with customers, partners, and internal teams to define requirements and deliver scalable software solutions.

Ideal candidates will have 5–7 years in full-stack development, proficiency in .NET, and experience with cloud services. You will help introduce AI-assisted development practices and contribute to product direction and

Qualifications

• Bachelor's degree in Computer Science, Engineering, or equivalent required.
• 5–7 years of full-stack development experience preferred.
• Proficiency with .NET Full Stack technologies.
• Familiarity with cloud services (AWS or Azure) preferred.
• Claude Code experience or certification strongly preferred.

Responsibilities

• Participate in end-to-end software development lifecycle from requirements through deployment and maintenance.
• Design, develop, and maintain robust and scalable systems using .NET technologies.
• Perform unit testing and fix bugs or other coding issues.
• Collaborate with stakeholders to translate business requirements into technical specs.
• Conduct code reviews and promote code quality, security, and performance optimization.
• Stay current with industry trends and evaluate applicability to KeyMark's systems.
• Interact with customers and prospects to gather feedback and understand user needs.
• Create release and product-level documentation.

Skills

.NET Full Stack

Agile development

REST APIs

SQL/Database

Cloud services (AWS/Azure)

Team collaboration

Education

Bachelor's degree in Computer Science or Engineering

Claude Certified Developer (CCDV-F) or Claude Code familiarity

Tools

Claude Code

Job description

KeyMark is seeking a .NET Full Stack Developer for KeyMark Labs to advance our product roadmap for Forms InMotion, Relay, ePosit, and FileHold integrations. You will work with customers, partners, and internal teams to define requirements and deliver scalable software solutions.

Ideal candidates will have 5–7 years in full-stack development, proficiency in .NET, and experience with cloud services. You will help introduce AI-assisted development practices and contribute to product direction and