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Posted Apr 15, 2026

Junior Associate Software Engineer (Early Career)

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Sphinx Defense builds software to solve complex national security problems in Space, and they are seeking a Junior Associate Software Engineer to join their Space Communications team. This early-career role involves contributing to the development of a ground communications and data-transport platform for US government satellites, while receiving mentorship and gradually taking ownership of features. Responsibilities - Contribute to the development of features and improvements in a secure, well-tested, and performant way - Write code that meets our internal standards for style, maintainability, and best practices for a high-scale web environment - Collaborate cross-functionally to maintain a high bar for quality - Work alongside senior engineers to advocate for improvements to product quality, security, and performance - Assist with unit and integration testing to identify and resolve bugs in the software - Work within an agile team environment and contribute to team discussion and planning Skills - 0-1 years of professional experience in software development (internships, academic projects, or personal projects) - Basic understanding of software development concepts - Familiarity with at least one programming language such as Python, C, Java or Rust - Eager to learn new technologies and grow your technical skillset - Ability to communicate clearly and enjoy collaborating with others - Ability to learn quickly and adapt to a fast-paced environment - Comfortable asking questions and working in a fast-paced, evolving environment - Bachelor's or Master's degree in a relevant technical discipline, such as Computer Science, Information Technology, Engineering, Mathematics, Physics or a related field - Must be a US Citizen - Must be able to obtain and hold a U.S. Top Secret security clearance Benefits - Meaningful equity ownership - Profit sharing - Employer 401(k) contribution - 100% employer covered medical, dental, and vision insurance for you and your dependents Company Overview - Sphinx Defense builds software to solve complex national security problems for america and its allies. It was founded in 2020, and is headquartered in Washington, District of Columbia, USA, with a workforce of 11-50 employees. Its website is https://sphinxdefense.com.
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