Posted:
8/25/2026, 6:18:04 AM
Location(s):
California, United States ⋅ El Segundo, California, United States
Experience Level(s):
Senior
Field(s):
Software Engineering
Workplace Type:
Remote
Pay:
$157k–$190k/yr
ABOUT SPHINX
Sphinx builds software to solve complex national security problems in Space. Founded by engineers and technologists with deep experience across commercial and defense technology, we were frustrated by the outdated and insecure technology America's service members are forced to rely on. We're here to do better.
We’re focused on building modern, scalable products with an emphasis on using open source technologies. Expect talented, motivated, and interesting colleagues who emphasize collaboration, transparency, and individual responsibility.
ABOUT SPHINX
Sphinx builds software to solve complex national security problems in Space. Founded by engineers and technologists with deep experience across commercial and defense technology, we were frustrated by the outdated and insecure technology America's service members are forced to rely on. We're here to do better.
We’re focused on building modern, scalable products with an emphasis on using open source technologies. Expect talented, motivated, and interesting colleagues who emphasize collaboration, transparency, and individual responsibility.
ABOUT THE ROLE
Sphinx is hiring a Senior Full Stack Engineer to join our team, building the next generation of mission planning and command and control software for space communications programs. This team is tasked with creating modern, resilient services and capabilities to service the US Government. As our engineering organization continues to scale rapidly, you’ll also play an important role in helping establish strong technical practices, supporting a growing team, and maintaining quality and consistency as we expand.
As a Senior Full Stack Engineer, you will lead the development of intuitive UI/UX and enhance backend services to support Sphinx's space vehicle mission planning platform, which is being leveraged by some of the most important space missions operated by the US Government. We're seeking an experienced engineer with strong front-end development skills AND backend programming fundamentals. You'll work as an individual contributor and a lead for more junior engineers.
What you will be focusing on:
You might be a good fit if you have:
Bonus points if you have the following:
LOCATION
While this role is remote, the potential for travel may occur such as client visits, company gatherings, and other project related travel as needed may be required.
COMPENSATION
This role is between $157,000 - $190,000 base salary.
BENEFITS
Compensation includes competitive salary, meaningful equity ownership, profit sharing, employer 401(k) contribution, and 100% employer covered medical, dental, and vision insurance for you and your dependents.
ELIGIBILITY
Must be a US Citizen and be able to obtain and hold a U.S. Top Secret security clearance and be eligible to obtain and maintain a TS/SCI clearance .
EEO STATEMENT
Website: https://www.sphinxdefense.com/
Headquarter Location: Washington, District of Columbia, United States
Employee Count: 1-10
Year Founded: 2020
IPO Status: Private
Industries: Information Technology ⋅ Military ⋅ National Security ⋅ Software