77 software engineer entry jobs at 40 companies in Fort Collins, CO
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Software Engineer II
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$94k-$130k/yrHybridFull Time
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
2+ YOEBachelor's in CS or related,2+ years software development experience,proficiency in C++,Java,Python,knowledge of engineering principles,ability to work in multidisciplinary teams.
Anduril Industries: Defense technology building autonomous military hardware and software.
2+ YOERequires 2 years of relevant experience, a bachelor's degree or equivalent, C++ and Python, mathematical foundations, software engineering fundamentals, and ability to obtain a U.S. Top Secret SCI clearance.
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$111k-$148k/yrOnsiteFull Time
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
0+ YOEPursuing or recent Bachelor's/Master's in a technical field; experience with C/C++, Python, Java, Go, SQL, or JavaScript through coursework or internships; familiarity with software fundamentals, debugging, and development tools.
C, C++, Python, Java, Go (Golang), SQL, JavaScript, Microsoft Office, Git, Linux, IDEs
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
1+ YOEBA/BS in CS, 1-3 years big-data/software development; proficient in Scala, Python, or Java; strong Apache Spark and Databricks experience preferred; AWS and modern data tooling (Kubernetes, Docker, Airflow) experience.
Spire GlobalNYSE: SPIR: Operates satellite constellations for global tracking and weather analytics.
2+ YOE2+ years software engineering experience, hands-on AWS (EC2,S3,Lambda,ECS/EKS,CloudWatch,IAM), Python, Linux/bash, production systems reliability and monitoring, strong communication and teamwork skills.
BS in engineering or related required; experience with satellite ground systems, ground-system tools, cloud, web services, and back-end/front-end languages; eligible for Top Secret/SCI clearance.
Spectra Logic: Provides scalable data storage and management solutions for long-term preservation.
2+ YOE2+ years professional development experience, proficiency in Go/C++/C/Java, bachelor’s degree or equivalent experience, strong communication and problem-solving skills.
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
2+ YOEBachelor's degree (or equivalent), 2+ years related experience, strong programming skills, software development principles, Agile experience, Git proficiency, and ability to obtain/maintain Secret U.S. security clearance; U.S. citizenship required.
2+ YOEBS in engineering +2 years experience, current Secret clearance with ability to obtain TS/SCI, experience with cloud, containerization, C/C++, Rust, Python, Ruby, web frameworks, databases, UML, and formal software development practices.
Browns Corner or Colorado Springs or Peterson AFB or Loveland
$85k-$142k/yrOnsiteFull Time
SercoLondon Stock Exchange: SRP: Provides professional outsourcing services to governments worldwide.
2+ YOEUS citizen able to obtain active Secret clearance, Bachelor\u0002s degree and 2 years related experience, software development in Java/C/C++, Linux/Unix/Python experience, testing/scripting, willing to travel up to 25%.
GitHub, VersionOne, SharePoint, Fortify, Linux, Unix, Python, Java, C, C++
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
2+ YOEBachelor's or master's degree in EE, CS, or CE; 2+ years in low-level operating systems and ARM programming; strong C programming and debugging skills; system software experience preferred.
UEFI, ACPI, SMBIOS, Linux kernel, C, ARM, FPGA, AI development tools, kernel modules, device drivers
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
2+ YOERequires a BS or MS in EE, CS, or CE; 2+ years in low-level operating systems, ARM programming, and system software; strong C programming and debugging; UEFI experience preferred.
UEFI, ACPI, SMBIOS, Linux kernel, C, FPGA, AI development tools
Impulse Space: Developing in-space transportation services and orbital transfer vehicles.
2+ YOEBachelor's degree required; 2+ years writing C++ for embedded systems; experience with RTOS or Embedded Linux; knowledge of computer architecture, OS, data structures, networking; version control and test practices.
CIRES / NOAA NCEI Software Engineer Associate Scientist I
Boulder, Colorado, United States
$62k-$78k/yrHybridFull Time
University of Colorado Boulder: Public research university offering undergraduate and graduate education programs.
Bachelor's degree in computer science, engineering, mathematics, physical sciences, or STEM field; programming proficiency and ability to independently write and maintain code. U.S. work authorization required.
Katalyst Space Technologies: Develops robotic spacecraft for in-orbit satellite servicing and maneuvering.
1+ YOE1-3 years modeling & simulation experience, 2-3 years C++ and Python, BS in a STEM field, strong OOP and distributed systems understanding, problem-solving and attention to detail.
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEActive U.S. Secret security clearance, Bachelor's in STEM, 2+ years related experience (level-dependent), experience with C++20+, Python, Linux, Kubernetes, CI/CD, and Git/Jenkins.
2026 Intern Conversion - Software Development Engineer I
Seattle or Van Horn or Denver or Huntsville or Arlington or Los Angeles or Longmont or Reston or Florida
$101k-$155k/yrOnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship, enrolled in or recently graduating from college, B.S. in mechanical, aerospace, or astronautical engineering, and eligible to work under U.S. export controls.
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
0+ YOEActive U.S. Secret clearance required; Bachelor's in STEM + 2 yrs related or Master's in STEM + 0-2 yrs. Experience in algorithm design, state estimation, numerical computing, C/C++ and Python, Linux utilities, and data analysis. Willingness to travel up to 10%.
Modern C++, C/C++, Python, Linux, grep, awk, cat, head, containerization
2+ YOEBS in engineering or related field plus 2+ years experience, active Secret clearance with ability to obtain TS/SCI, CI/CD and cloud experience, Python or Ruby scripting, Atlassian tools experience.