Backend Engineer Jobs In Security, Colorado - 103 Job Positions Available

Meet Slingshot At Slingshot Aerospace, we’re on a mission to make space safer and more secure for everyone. Our work directly impacts global security, disaster response, climate monitoring, and the critical infrastructure that connects our world.

System One is seeking a Senior Back End Software Developer in Colorado Springs. The role requires 7+ years of experience in back-end development, expertise in languages like Python, Java, and C++, and familiarity with cloud platforms

Slingshot Aerospace, Inc. is seeking a Senior Backend Software Engineer to build systems for intelligence and autonomy in space operations. This role emphasizes collaboration and mentorship across technology teams, focusing on developing solutions for national security and commercial

Enlighten is looking for a Senior Backend Developer to join their high-impact engineering team. This role involves designing and maintaining critical backend systems capable of handling massive data volumes. The company values efficiency and offers a hybrid work

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by engineers and technologists with deep experience across commercial and defense technology, we were frustrated by the outdated and insecure technology Americas service members are

LMI is seeking a Senior Back-End Software Developer to support RAPTR, a modeling, simulation, prototyping, wargaming, and analysis platform. The role focuses on building scalable backend services, APIs, and data pipelines that enable analysts and data scientists

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by engineers and technologists with deep experience across commercial and defense technology, we were frustrated by the outdated and insecure technology Americas service members are

Sphinx Defense in Colorado Springs is hiring a Senior Backend Engineer to help build the next generation of mission planning and command and control software for space communications programs. You will lead the development of core platform services,

Blue Rose Consulting Group in Colorado Springs, CO is seeking a Mid-level Java Developer for a hybrid role with 20% on-site work. Candidates must be a U.S. citizen with an active Secret clearance. You will build

The Sender Security and Authentication Product Group is looking for a Staff Software Engineer (title based on experience) to join our backend team. This team is responsible for collecting data on Email Traffic, Threat Detections, Domains Registrations, IP

Clutch Canada is seeking a Backend Developer to design and maintain robust APIs. You will work in a dynamic, fully remote team that values innovation and collaboration. The ideal candidate should have proven experience in backend development, particularly

A leading healthcare diagnostic company is seeking a Software Engineer to develop effective and testable code through the entire product lifecycle. In this role, you will create new functionalities, develop APIs, and engage in prototyping alongside a

Sphinx Defense builds software to solve complex national security problems in Space and ground systems. We are based in Colorado and value collaboration, transparency, and personal responsibility. As a Backend Engineer on the Space Communications team, you will

In-Depth Engineering Corporation is looking for multiple Backend Software Engineers to support the CommandIQ program in Colorado Springs. This is a full-time onsite position requiring a Bachelors degree in a STEM field and an active Secret security clearance.

L3Harris Technologies in Colorado Springs is seeking a Senior Associate Software Engineer for the Space Surveillance Telescope. You will contribute hands-on in mission software development, focusing on C++ and Java in Linux environments, supporting data processing and

Iron EagleX, Inc. is seeking a Software Engineer-Mid for the SOCNORTH program at Peterson AFB in Colorado Springs. The role focuses on backend data-driven systems, secure search, and analytics with Python or JavaScript/TypeScript, using Flask or FastAPI, and

Auria is seeking a Software Developer - Intermediate to support the Command and Control System (CCS-C) Sustainment for DoD missions in Colorado Springs. You will build backend services and APIs in Java, C++, and Python, partnering with

Job Details Job Location: Colorado LM Site - Colorado Springs, CO 80921 Position Type: Full Time Education Level: Bachelors Degree Salary Range: $75,000.00 - $150,000.00 Salary/year Travel Percentage: Negligible Job Category: Software Engineering Backend Software Engineers – Colorado