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Senior Full Stack Engineer

ThreatLocker
United Statesfull_timeVerifiedPosted 26 Jun 2026

About the role

COMPANY OVERVIEW 

ThreatLocker® is a leader in endpoint protection technologies, providing enterprise-level cybersecurity tools to improve the security of servers and endpoints. The ThreatLocker® platform with Application Allowlisting, Ringfencing™, Storage Control, Elevation Control, Endpoint Network Control, Configuration Management, and Operational Alert solutions are leading the cybersecurity market toward a more secure approach of blocking the exploits of application vulnerabilities. 

POSITION OVERVIEW 

ThreatLocker’s Senior Full Stack Engineer supports the development, expansion and maintenance of our unique and innovative cybersecurity software. They will be responsible for, but not limited to: 

  • Guide the technical direction and implementation of product requests into large-scale end to end solutions  
  • Collaborate with the product, QA, and other developers to release robust code that satisfies client expectations and feature criteria.  
  • Ship well-tested, maintainable, reliable, and secure code that keeps the user’s best interest in mind.  
  • Help fix bugs, defects, poor feature implementation, and production issues as they occur.  
  • Conduct code reviews, write maintainable documentation, and implement complex bug fixes with security and a Zero Trust mentality in mind.  
  • Mentor their fellow developers, grow their skills, and improve as a team by sharing expertise.  
  • The role will be based in Orlando, FL and is an in-office position. 

REQUIRED QUALIFICATIONS 

  • 5+ years of professional experience as a Full Stack Software Developer 
  • Strong experience developing web applications using C# with .NET Framework and .NET 8+ 
  • Experience designing, developing, and consuming RESTful APIs 
  • Strong experience with Microsoft SQL Server, including writing optimized queries, designing database schemas, creating and maintaining indexes, stored procedures, and tables 
  • Experience building modern web applications using Angular with TypeScript, JavaScript, HTML5, and CSS3 
  • Experience developing scalable server-side applications and implementing modern front-end architecture 
  • Experience collaborating with other software developers throughout the software development lifecycle 
  • Experience participating in code reviews and writing clear technical documentation 
  • Strong understanding of object-oriented programming, software design principles, and application architecture 
  • Excellent analytical, problem-solving, and troubleshooting skills 
  • Strong written and verbal communication skills 

PREFERRED QUALIFICATIONS 

  • Experience with Angular 17+ including Standalone Components, Signals, and Built-in Control Flow 
  • Experience upgrading Angular applications between major versions 
  • Experience with Microsoft SQL Server performance tuning and query optimization 
  • Experience working with Elasticsearch or similar search technologies 
  • Experience working with IIS and Windows-hosted web applications 
  • Experience with Git and modern source control workflows 

WORKING CONDITIONS  

The duties described below are representative of those encountered while performing the essential functions of this position. If necessary, reasonable accommodation may be requested and will be evaluated for its relationship to the essential functions that must be performed. 

  • Job will generally be performed in an office environment but may require travel to visit company offices and/or property locations. 
  • While performing duties of this job, would occasionally requ

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Company

ThreatLocker

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