> Markdown version of [/jobs/ext/2704807-software-applications-engineer-iii-iv](https://www.wearedevelopers.com/jobs/ext/2704807-software-applications-engineer-iii-iv). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Applications Engineer III/IV - **Company:** Zone 5 Technologies - **Location:** United States - **Experience:** Experienced - **Salary:** $135,000.0 - $167,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Amazon Web Services, Build Automation, Bash Shell, C Sharp (Programming Language), Command-Line Interface, Code Review, Continuous Integration, Github, Python (Programming Language), Microsoft Visual Studio, Node.Js, Windows PowerShell, Software Deployment, Software Engineering, Software Systems, Systems Integration, Scripting, Cloud Platform System, ReactJS, Git, Vue.js, AngularJS, Software Version Control - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/software-applications-engineer-iii-iv-zone-5-technologies-8336891 ## About the Role Are you C# software engineer looking to make a meaningful impact in the development of complex, high-reliability software systems for safety-critical applications with the aerospace and defense industry? Zone 5 Technologies is seeking a highly skilled and motivated Software Engineer to join our team. The ideal candidate is a strong programmer with experience across the software development lifecycle, embedded systems, and modern development practices., * 3-7 years of professional experience in software application development, ideally in aerospace, defense, or safety-critical industries * Proficiency in one or more programming languages: C#, Python, Java, javascript, etc. * Hands-on experience with Git, GitHub, and Visual Studio or similar development environments * Special bonus experience would be modern web full-stack development and languages (node.js, react, vue, angular, etc.) * Familiarity with Bash or PowerShell for scripting and automation tasks * Experience with CI/CD practices and tools, particularly GitHub Actions, and exposure to AWS infrastructure ## Description * Collaborate with cross-functional teams to develop utilities and application-level software solutions * Design, implement, test, and maintain software for high-reliability systems in safety-critical environments * Create sustainable, reusable, modular tools that can be used for multiple purposes * Utilize Git and GitHub for version control, code reviews, and collaborative development * Support build automation, system integration, and testing through scripting and command-line tools * Contribute to CI/CD pipelines using GitHub Actions and assist in deploying software to cloud environments, particularly AWS ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Lessons learned from building a thriving Vue.js SaaS application](https://www.wearedevelopers.com/videos/1666-lessons-learned-from-building-a-thriving-vue-js-saas-application) - [Hiring AI Native Talents](https://www.wearedevelopers.com/videos/100268-hiring-ai-native-talents) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)