We're Hiring: Senior Software Engineer/Project Ast. Lead (Full Stack, .NET Core)

Location: Orlando, FL (On-site with hybrid flexibility after onboarding)
Company: Amerinational Management Services, Inc. (AMS)
Type: Full-Time | Direct Hire
Salary Range: Negotiable (based on experience)

About AMS

Amerinational Management Services, Inc. (AMS) is the leading technology and services provider in the Martial Arts industry. We build the platforms that power the business side of Martial Arts—helping school owners grow, automate, and deliver exceptional member experiences. As we continue to scale, we're looking for a Senior Software Engineer to help lead the evolution of our product suite and mentor the next generation of developers.

Join a company where your code has a direct impact on the lives of business owners across the country—and where innovation, collaboration, and purpose-driven engineering are core to what we do.

About the Role

As a Senior Software Engineer, you’ll play a hands-on engineering and leadership role in shaping the future of AMS’s web-based CRM platform. You will architect and develop full-stack features on our .NET 6 Core Web API system, support legacy systems during transition, mentor junior developers, and contribute to a culture of clean, scalable, and thoughtful engineering.

You’ll work closely with the CTO and product team to push high-priority deliverables across the finish line while helping the team grow both technically and professionally.

What You’ll Be Doing

Help lead the design, implementation, and deployment of scalable full-stack .NET applications
Maintain and enhance .NET Core 6 Web APIs using Entity Framework Core
Collaborate, support and contribute with the team on new feature builds, legacy CRM integrations, and bug resolution
Participate in code reviews, architecture decisions, and agile ceremonies
Coach and mentor mid- and junior-level engineers
Contribute to the overall engineering strategy and improve development processes

What You Bring

Required Skills & Experience

7+ years of professional software development experience
Strong experience with .NET Core, C#, and Entity Framework
4+ years in front-end web development (React, JavaScript, HTML5, CSS3, Bootstrap)
Experience designing and consuming RESTful APIs
Solid experience with SQL (preferably MSSQL)
Strong Object-Oriented Design skills and understanding of SOLID principles
Excellent communication and leadership skills
Passion for clean, bug-free, testable code and product quality
Bachelor’s degree in Computer Science or equivalent work experience

Bonus Points For

Experience in a leadership or team lead role
Familiarity with cloud platforms (e.g., AWS or Azure)
Experience with DevOps pipelines, Git, Jira, or Agile methodologies
Experience working on B2B or SaaS platforms
Familiarity with CRM systems or vertical industry software

Why You’ll Love Working Here

A mission-driven company that’s growing fast in a fun, niche industry
Real impact—your work directly improves businesses and lives
Collaborative, fast-paced culture with room for innovation
Modern tech stack and exciting migration projects
Medical, Dental, and Vision insurance options
Paid Time Off (PTO)
On-site role in Orlando, FL

Ready to Apply?

If you’re ready to help us take AMS to the next level, Apply Now or send your resume

AMS is an Equal Opportunity Employer.

Job Type: Full-time

Pay: $118,580.00 - $125,244.00 per year

Benefits:

Dental insurance
Health insurance
Paid time off
Vision insurance

Work Location: In person

Amerinational Management Services

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