Senior .NET Full-Stack Engineer - AI-Driven Product

KeyMark Inc; Liberty Township (OH); On-site; USD 90,000 - 120,000; Full time

Job summary

KeyMark Labs is seeking a Developer – .NET Full Stack to contribute to the product roadmap for Forms InMotion, Relay, ePosit, and related offerings. This role interfaces with development partners on the FileHold product and helps set technical direction.

You will design, develop, test, and maintain scalable .NET applications, participate in the end-to-end lifecycle, and work with customers to define requirements, drive delivery, and ensure code quality and security.

Qualifications

• Bachelor's or advanced degree in Computer Science, Engineering, or an equivalent field.
• 5–7 years of full stack development experience.
• Claude Code proficiency and CCDV-F certification preferred.
• Familiarity with cloud services (AWS, Azure) preferred.
• Hyland OnBase experience a plus.

Responsibilities

• Participate in end-to-end software development lifecycle from requirements gathering to maintenance.
• Work closely with development partner to ensure alignment with business objectives.
• Design, develop, and maintain robust systems using .NET technologies.
• Perform unit testing and fix bugs or other coding issues.
• Collaborate with stakeholders to translate requirements into technical specifications and deliver innovative software solutions.
• Conduct code reviews and promote code quality, security, and performance optimization.
• Stay current with industry trends and evaluate their applicability to KeyMark's systems.
• Interact with customers and prospects to gather feedback and understand user needs.

Skills

.NET Full Stack development

Agile methodologies

Problem-solving

Communication

Education

Bachelor's or advanced degree in Computer Science, Engineering, or equivalent

Tools

Claude Code

Claude Certified Developer (CCDV-F)

AWS

Azure

GitHub

Hyland OnBase

REST APIs

Job description

KeyMark Labs is seeking a Developer – .NET Full Stack to contribute to the product roadmap for Forms InMotion, Relay, ePosit, and related offerings. This role interfaces with development partners on the FileHold product and helps set technical direction.

You will design, develop, test, and maintain scalable .NET applications, participate in the end-to-end lifecycle, and work with customers to define requirements, drive delivery, and ensure code quality and security.