ThreatLocker.

C# Developer (Tools and Installers)

ThreatLocker.$75K — $95K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3-5 years of professional software development experience
  • Strong proficiency in C# and .NET (Framework or .NET Core/5+)
  • Hands-on experience with installer technologies like WiX or InstallShield
  • Solid understanding of the Windows OS and its components
  • Experience with version control systems, preferably Git
  • Strong debugging and problem-solving skills
  • Attention to detail for reliability and edge cases
  • Good communication skills and ability to work collaboratively

Responsibilities

  • Design, develop, and maintain desktop applications and internal tools
  • Build and maintain software installers such as MSI or EXE
  • Develop automation utilities for deployment and diagnostics
  • Collaborate with DevOps and QA to enhance build and deployment pipelines
  • Troubleshoot installation issues and ensure reliable upgrade processes
  • Write clean, maintainable, and well-documented code
  • Participate in code reviews and contribute to best practices

Benefits

  • In-office work environment fostering collaboration
  • Opportunity to work with cross-functional teams including engineering and QA
  • Chance to directly improve internal tooling and developer workflows
  • Engagement with cutting-edge technologies and best practices
  • Potential for professional growth through diverse project exposure
Full Job Description
POSITION OVERVIEW:

We are seeking a mid-level C# Developer to design, build, and maintain internal tools and software installers that support our products and operations. This role focuses on creating reliable, user-friendly utilities and deployment solutions that streamline workflows and improve system usability.

You'll work closely with engineering, QA, and DevOps teams to develop efficient tooling, automate processes, and ensure smooth software installation and updates.

The role will be based in Orlando, FL and is an in-office position.

JOB SCOPE:
  • Design, develop, and maintain desktop applications and internal tools using C# and .NET
  • Build and maintain software installers (e.g., MSI, EXE) using tools such as WiX, InstallShield, or similar
  • Develop automation utilities to support deployment, configuration, and diagnostics
  • Collaborate with DevOps and QA to improve build, release, and deployment pipelines
  • Troubleshoot installation issues and ensure reliable upgrade and rollback mechanisms
  • Write clean, maintainable, and well-documented code
  • Participate in code reviews and contribute to best practices
  • Optimize performance and reliability of tools and installer processes
  • Work with product teams to understand requirements and translate them into technical solutions

REQUIRED QUALIFICATIONS:
  • 3-5 years of professional experience in software development
  • Strong proficiency in C# and .NET (Framework or .NET Core/5+)
  • Experience building Windows desktop applications (WinForms, WPF, or similar)
  • Hands-on experience with installer technologies (WiX preferred, or InstallShield/NSIS)
  • Solid understanding of Windows OS, file systems, registry, and services
  • Experience with version control systems (e.g., Git)
  • Strong debugging and problem-solving skills
  • Strong attention to detail, especially in reliability and edge cases
  • Ability to work independently and manage priorities
  • Good communication skills and ability to collaborate across teams
  • Proactive mindset toward improving processes and tooling

PREFERRED QUALIFICATIONS
  • Experience with PowerShell or scripting for automation
  • Familiarity with CI/CD pipelines (Azure DevOps, GitHub Actions, Jenkins, etc.)
  • Knowledge of packaging and deployment best practices
  • Experience with MSI customization, custom actions, and upgrade strategies
  • Exposure to security practices related to installers and system-level tools
  • Basic understanding of networking or system administration concept
  • Experience with driver or low-level system integrations
  • Familiarity with virtualization or endpoint environments
  • Experience working on security-focused or enterprise software tools

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 require to stand, walk, sit, reach with hands and arms, climb or balance, stoop or kneel, talk and hear, and use fingers and hands to feel objects and tools.
  • Must occasionally lift and/or move up to 25 pounds.
  • Specific vision abilities required include close vision, distance vision, depth perceptions, and the ability to adjust focus.

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