Senior Software Engineer

Description Summary: We are a SaaS company specializing in accounting software for the hospitality industry, built on a modern .NET technology stack. As a Senior Software Engineer, you will be responsible for defining architecture, ensuring code quality, mentoring engineers, and leading the migration of legacy functionality into the core platform. This role requires strong technical leadership and hands?on expertise in modern .NET development. 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 supervisors requests for additional or altered duties. Strong experience with .NET (Core) framework and ASP.NET MVC architecture. Experience designing, developing and consuming RESTful APIs, Web APIs, and microservices. Experience with microservices architecture and containerization; Docker preferred. Proficiency with object?relational mapping (ORM) tools such as Entity Framework. Strong understanding of relational databases (SQL Server, Oracle, MySQL) and NoSQL (MongoDB). Experience working with cloud platforms; Microsoft Azure preferred. Experience with messaging broker systems such as RabbitMQ (preferred), Kafka, Redis, etc. Experience using Azure DevOps, Jira, or similar, and GitHub for version control and CI/CD pipelines. Understanding of modern AI development technologies/approaches and how to leverage them safely and securely. Design, develop, and deploy scalable and secure .NET?based applications. Collaborate with teams to define technical specifications. Collaborate with architecture to implement robust backend micro?services, APIs, and integrations with third?party platforms. Guide the team in making sound design decisions emphasizing performance, scalability, extensibility, quality, security, and maintainability. Evaluate and introduce new technologies and frameworks to enhance our platforms performance and maintainability. Refactor existing code as needed to improve code maintainability and efficiency. Develop efficient, elegant, and high?quality code based on business and technical requirements. Ensure appropriate unit test coverage for optimal product reliability and release velocity. Ensure the software meets compliance and security standards relevant to the accounting industry. Create and maintain technical documentation to support ongoing development. Champion and govern best practices in software engineering, including code reviews, testing, CI/CD, and agile methodologies. Ensure accurate feature estimation and user story refinement with Product Managers/Owners and Scrum Teams. Ensure non?functional requirements and technical needs are advocated in product backlogs. Partner with other departments to ensure best?in?class observability of application and technical infrastructure. Mentor and guide engineers, fostering a culture of continuous learning and improvement. Exhibit excellent problem?solving and communication skills. Demonstrate strong organizational skills and the ability to meet deadlines. Other duties as assigned. Education, Training, and Experience Bachelors degree in Computer Science, Information Technology, or Management Information Systems preferred; equivalent work experience may be considered. 8+ years of experience building web and SaaS?based applications. Proven experience leading software development teams in a SaaS environment. 5+ years of experience developing RESTful APIs. Deep expertise in C#, .NET Core, ASP.NET, and SQL. 1+ year of experience working with non?relational database systems (MongoDB or similar). Experience with accounting or financial software is a plus. Experience using data for decision?making related to team and system performance, relying heavily on telemetry and monitoring. Strong written and verbal communication skills in English. Ability to build and maintain positive working relationships across teams and departments. Professional programming certifications are a plus. A strong developer portfolio (e.g., GitHub) is highly desirable. Must be able to work full?time during normal office hours, with flexibility for occasional evenings or weekends as required by project needs. Physical Requirements Ability to sit and/or stand for extended periods. Ability to perform work on a computer for extended periods. Ability to work in the office 2 days a week following M3 hybrid work policy. Ability to attend work per assigned schedule and attend meetings with excellent attendance and punctuality. Ability to lift and move light to moderate items occasionally without reasonable accommodation. This role requires working onsite in our Lawrenceville, GA office three days per week. The position is not fully remote. As set forth in M3s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law. #J-18808-Ljbffr