Software Engineer

Sigma Defense Systems LLC

full-time

Posted on: 9/2/2025

Location: California • 🇺🇸 United States

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💰 $72,000 - $75,000 per year

Junior

AngularJavaJavaScriptNode.jsSDLCTypeScript

About the role

Sigma Defense is seeking a Software Engineer to design, build, and maintain desktop and web applications while working with senior engineers, business analysts, and end users.
Develop and maintain desktop and web application features under the guidance of senior engineers.
Build application modules and web services based on design specifications and requirements.
Collaborate with team members, business analysts, and users to troubleshoot issues and deliver solutions.
Write clean, efficient, and well-documented code using object-oriented programming languages such as Java and C#.
Contribute to the development of applications and application modules using Angular, Node.js, and related web technologies.
Participate in Kanban workflows, including updating tasks, maintaining progress visibility, and supporting continuous delivery.
Support software testing, debugging, and deployment activities across the SDLC.
Stay current with emerging technologies and best practices to improve development processes.

1–3 years of experience developing features for desktop and web applications.
Hands-on experience building software applications, modules, and web services from design specifications and requirements in a team environment.
Ability to collaborate with users and business analysts to troubleshoot issues, identify root causes, and implement fixes.
Proficiency in object-oriented programming with languages such as Java or C#.
Experience building Single Page Applications (SPAs) with Angular and Node.js.
Working knowledge of JavaScript/TypeScript, HTML5, CSS, and related web technologies.
Familiarity with the full Software Development Life Cycle (SDLC) in an enterprise environment, including Agile and incremental development practices.
Must be a U.S. Citizen.
Candidate must possess or have the ability to obtain an active Secret security clearance or higher.
Bachelor’s degree in Computer Science, Information Technology, or related field of study.