> Markdown version of [/jobs/ext/4525296-software-engineer-developer-level-4](https://www.wearedevelopers.com/jobs/ext/4525296-software-engineer-developer-level-4). 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 Engineer-Developer Level 4 - **Company:** Indotronix International Corporation - **Location:** Maryland Heights, MO, United States - **Experience:** Expert - **Salary:** $147,680.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, JavaScript (Programming Language), .NET Framework, Agile Methodology, Systems Engineering, JIRA, Unit Testing, Microsoft Azure, C Sharp (Programming Language), C++ (Programming Language), Software Documentation, Software Debugging, Software Design Patterns, Software Architecture, Software Maintenance, Secure Coding, Server Administration, Software Engineering, System Testing, Systems Integration, TypeScript, Planning Software, ReactJS, Git, SC Clearance, Integration Tests, Infrastructure Automation Frameworks, Information Technology, Atlassian Tools, Restful APIs, Software Version Control - **Published:** November 2, 2026 - **Apply:** https://www.careerbuilder.com/job-details/software-engineer-developer-level-4-maryland-heights-mo--babe4b43-657b-4eae-a880-8cdefaf6722b ## About the Role Software Engineering, Software Development, Software Engineering, Software Development, Secret Clearance, Software Administration, Test Plan/Schedule, Software Design, Technical/Engineering Design, Customer/Client Research, Ability to obtain a U.S. Secret Clearance Bachelor's Degree and 15+ years of experience, * Bachelor's Degree in Computer Science, Software Engineering, Engineering, or a related field. * Ability to obtain a U.S. Secret Security Clearance. * 15+ years of software development experience. * Strong experience with JavaScript, TypeScript, React, C#, and/or C++. * Experience developing and consuming RESTful APIs. * Experience with Agile software development methodologies. * Experience with Agile project management tools such as Jira, Jira Align, or Azure DevOps. * Experience with unit testing, integration testing, and system validation. * Proficiency with version control and configuration management tools such as Git and Azure DevOps. * Strong analytical, troubleshooting, and problem-solving skills. * Excellent written and verbal communication skills. Preferred Qualifications * Experience supporting defense, aerospace, or mission-critical software programs. * Knowledge of Open Mission Systems (OMS) and open architecture frameworks. * Understanding of cybersecurity principles and secure coding practices. * Experience with modular and open systems design. * Experience integrating software using standardized interfaces and protocols. * Strong understanding of software architecture, design patterns, and development best practices. * Experience with .NET MAUI. Education & Experience * Bachelor's degree and typically 15+ years of related software engineering experience, or an equivalent combination of education and experience. * Ability to obtain and maintain a U.S. Secret Security Clearance. ## Description * Support the design, development, testing, deployment, and maintenance of weapon planning software. * Review, analyze, and translate customer requirements into software designs and technical solutions. * Develop, enhance, optimize, and maintain software products and system integrations. * Support the development and maintenance of software architectures, requirements, algorithms, interfaces, and designs. * Troubleshoot, debug, and resolve software issues to ensure product reliability and performance. * Assist in developing and improving software engineering processes, standards, and best practices. * Collaborate with systems engineers, hardware engineers, product owners, and program managers. * Support unit testing, integration testing, and system-level validation activities. * Maintain software documentation, interface specifications, and test plans.