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Senior Agentic Software Engineer

Lawrenceville, Georgia, United States

M3 (www.m3as.com) is a leading provider of hospitality-specific software solutions, delivering cloud-based tools for hotel accounting, financial reporting, labor management, payroll, and business intelligence. Built by hoteliers for hoteliers, M3 empowers hotel owners, operators, and management companies to streamline back-office operations, reduce costs, gain real-time insights, and drive portfolio performance across thousands of properties in North America and beyond.

Description Summary:     

This is a senior developer position responsible for the design and development of dynamic enterprise-class software applications, technical leadership, and mentoring of other team members. Senior Software Engineers are expected to be proficient with approved AI-assisted and agentic development workflows, including GitHub Copilot, Claude Code, and parallel agents, and to help establish responsible patterns that improve delivery speed, quality, and engineering consistency across M3 products. 

Essential Duties:

The duties listed below are the essential functions of this position, and they may change as the needs of the company demand. All associates are expected to do what is necessary to get the work done and to cooperate fully with their supervisor’s requests for additional or altered duties.

  • Serve as a senior technical contributor across the SDLC, applying M3 engineering standards, architecture guidance, and advanced AI-assisted/agentic development workflows. 
  • Collaborate with team to identify end user requirements and technical specifications. 
  • Ability to direct the team in making the right design decisions with focus on performance, scalability, extensibility, quality, security, and ease of maintenance. 
  • Develop and review production-quality .NET, Angular, API, and SQL code, including code created through GitHub Copilot, Claude Code, or approved parallel agents. 
  • Lead debugging, automated testing, deployment readiness, and validation strategies for both human-authored and AI-generated changes. 
  • Troubleshoot and improve existing applications. 
  • Define and maintain technical documentation, prompt patterns, validation playbooks, and code review expectations that support responsible agentic workflow adoption.
  • Decompose complex work into agent-ready tasks and safely initiate, coordinate, and review parallel agents for coding, refactoring, test generation, and defect resolution. 
  • Mentor Associate Software Engineers and Software Engineers in prompt strategy, tool selection, agent orchestration, code review, automated testing, and secure AI-assisted development practices. 

Additional Skills/Experience:

  • Experience with the .Net (Core) framework. 
  • Advanced development capability with .NET/Core, C#, Angular/TypeScript, REST APIs, microservices, SQL, Entity Framework, and enterprise SaaS design patterns. 
  • Experience on cloud platforms such as Azure. 
  • Experienced using Azure DevOps, GitHub, Git-based workflows, pull requests, automated reviews, and CI/CD pipelines. 
  • Proven results in accelerating the delivery of software features using agentic workflow. 
  • Use of object-relational mapping tools such as Microsoft Entity Framework. 
  • Experience with Microservices and Containers (Docker) a plus. 
  • Proficiency with GitHub Copilot, Claude Code, and similar agentic development tools; able to guide parallel-agent workflows from task definition through validation. 
  • Experience with CI/CD pipelines using GitHub. 
  • Assist the manager in guiding engineering practices, assessing technical performance, setting standards, and training developers in modern and agentic software development practices. 
  • Assist in preparing specifications, acceptance criteria, implementation plans, and estimation approaches that account for AI-assisted delivery, review, testing, and risk. 
  • Other duties as assigned. 

Education/Training/Experience: 

  • A minimum of 10+ years of experience in a directly related position required. 
  • A bachelor’s degree in IT, MIS or Computer Science is preferred, or an equivalent combination of education and experience. 
  • Must have strong written and verbal skills in English and ability to communicate effectively. 
  • Must be able to build and maintain positive business relationships with co-workers and other business contacts. 
  • 5 years’ experience working with REST APIs. 
  • 5 years minimum experience with JavaScript frameworks (Angular preferred). 
  • 5 years minimum experience working with relational database systems such as SQL Server, Oracle, or MySQL. 
  • Demonstrated proficiency applying AI-assisted or agentic development tools to production-grade software delivery, including prompt design, agent orchestration, code review, automated testing, and risk validation. 
  • Experience mentoring engineers in responsible AI-assisted development practices, including when to use agents, how to constrain them, and how to verify their outputs. 
  • This position requires regular attendance, punctuality, and the ability to work a full-time position during normal office hours as well as some time on weekends and evenings as project needs or scheduling requirements dictate. 
  • Relevant certifications or training in .NET, Azure, GitHub, secure coding, DevOps, architecture, or AI-assisted software development are welcomed and will be considered. 
  • A strong developer portfolio will be considered, including GitHub projects, production examples, standards contributions, mentoring materials, or responsible AI-assisted development examples. 
  • Organizational Skills with the ability to meet deadlines
  • Strong problem solving and communication skills

 

 

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