24 backend engineer jobs at 14 companies in Williamsburg, CO

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Senior Backend Engineer
Colorado Springs, Colorado, United States
$160k-$185k/yr HybridFull Time
Sphinx Defense
Sphinx Defense: Develops software for secure satellite and space mission operations.
5+ YOE5+ years software engineering experience; strong Python, FastAPI, Postgres, AWS, Docker, Kubernetes, Terraform; cloud architecture, API/backend development, security focus, mentorship and customer integration skills.
Python, FastAPI, Postgres, AWS, Docker, Kubernetes, Terraform
1mo
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Back End Software Developer
Colorado Springs, Colorado, United States
$101k-$175k/yr HybridFull Time
LMI
LMI: Provides management consulting and digital solutions to federal government agencies.
5+ YOEBachelor's in CS/CE or related, 5+ years backend development, proficiency in Python/Java/Node.js, RESTful API design, experience with PostgreSQL/MongoDB, familiarity with Django/Flask/Spring and Git, ability to work with data-intensive systems.
Python, Java, Node.js, PostgreSQL, MongoDB, Django, Flask, Spring Framework, Git, Amazon Web Services (AWS), Microsoft Azure, Docker
2mo
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Senior Backend Engineer, Space Operations Intelligence & Autonomy (SOIA)
Colorado Springs or Alabama or Arizona or California or Colorado or District of Columbia or Florida or Georgia or Hawaii or Illinois or Indiana or Kansas or Massachusetts or Maryland or Michigan or Minnesota or Missouri or Montana or North Carolina or New Jersey or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Rhode Island or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia or United Kingdom
$150k-$200k/yr OnsiteFull Time
Slingshot Aerospace
Slingshot Aerospace: Software and data analytics for space operations management.
5+ YOE5+ years software development, bachelor’s in CS or related, active security clearance (Top Secret preferred), experience with Java/Kotlin, Python, cloud (AWS), containers, distributed systems, Kafka, databases, and API design.
Java, Kotlin, GraphQL, GraphQL subscriptions, REST, Docker, Kubernetes, React, Python, AWS, Helm, EKS, Git, GitHub Actions, Kafka, CloudEvents, PostgreSQL, MongoDB, Three.js, HLA, DIS
1mo
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Back End Software Developer - Clearance Required
Colorado Springs, Colorado, United States
$101k-$175k/yr HybridFull Time
LMI
LMI: Provides management consulting and digital solutions to government agencies.
5+ YOEBachelor's in CS or related,5–10 years backend development,proficiency in Python/Java/Node.js,REST APIs,relational/NoSQL databases,Git,TS/SCI clearance eligibility.
RAPTR, Python, Java, Node.js, PostgreSQL, MongoDB, Django, Flask, Spring Framework, Git, Amazon Web Services, Microsoft Azure, Docker
1mo
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Backend Software Engineers - Colorado Springs
Colorado Springs, Colorado, United States
$75k-$150k/yr OnsiteFull Time
In-Depth Engineering
In-Depth Engineering: Develops combat systems and radar software for the US military.
2+ YOEU.S. citizen with valid passport and active Secret clearance; Bachelor's in CS/CE/SE or STEM; 2+ years professional experience; experience with Rust/C, Java, Docker, gRPC, and full SDLC.
Rust, C, Java, Docker, gRPC, Kubernetes, Helm, Gitlab CI/CD, Python, Selenium, Cypress, Playwright
9h
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Production Engineer II
Florence or Denver or Boulder
$105k-$135k/yr OnsiteFull Time
Barn Owl Precision Ag
Barn Owl Precision Ag: Building autonomous robots for precision agricultural field tasks.
4+ YOE4+ years building production systems; strong Python, backend/API, cloud (AWS) and Docker experience; experience with logging, monitoring, reliability, and multi-environment systems.
Python, AWS, Docker, ROS2, CI/CD
2mo
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Software Developer
Colorado Springs, Colorado, United States
$75k-$100k/yr OnsiteFull Time
Auria
Auria: Engineering and software solutions for space and defense missions.
3+ YOEBackend software developer with Java/C++/Python in Linux; 3-4 years experience; BS in engineering; eligible for SECRET clearance.
Java, C++, Python, Linux, Maven, Gradle, CMake, Git, JUnit, PyTest, Google Test, Docker, Kubernetes, Jenkins, GitLab CI, Nexus
2mo
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Machine Learning Engineer
Colorado Springs, Colorado, United States
$100k-$160k/yr OnsiteFull Time
nou Systems
nou Systems: Provides engineering and technology solutions for defense and space systems.
3+ YOEMid-level ML engineer with 3+ years in ML/data science/backend, Python/PyTorch, Linux, containers, GitLab; US citizenship and ability to obtain Secret clearance.
Python, PyTorch, Linux, Docker, Podman, GitLab, VS Code, Dev Containers, Remote SSH, Kubernetes, CI/CD
2mo
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Software Engineer Staff
Colorado Springs or King of Prussia
$114k-$227k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
U.S. citizenship and ability to obtain Secret clearance required. Professional front- and back-end software engineering experience, familiarity with DevSecOps (GitLab/GitHub), Docker, Kubernetes, web/backend frameworks, automated testing tools, and Agile; bachelor’s degree preferred.
DevSecOps, GitLab, GitHub, Docker, Kubernetes, AstroUx, .NET Core, Spring Boot, Angular, React, Cypress, Playwright, Postman, Agile
1mo
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Full Stack Software Engineer (TS/SCI)
Herndon or Colorado Springs or Melbourne
$82k-$132k/yr OnsiteFull Time
Maxar Intelligence
Maxar Intelligence: Providing satellite imagery and geospatial intelligence for global security.
3+ YOEU.S. citizen with active TS/SCI clearance, bachelor\u0002s in Software Engineering or STEM, 3+ years experience, familiarity with Java/C++/Python, frontend and backend development, containerized microservices, CI/CD, Agile, and collaboration tools.
Java, C++, Python, Vue.js, React, Kafka, Git, ELK, Grafana, Prometheus, Bash, Linux, Subversion, IDE, CI-CD Pipelines
2mo
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Software Engineer – C2BMC (Associate, Experienced or Senior)
Colorado Springs or Huntsville
$99k-$217k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
2+ YOEBachelor's degree, ability to obtain Secret clearance, 2+ years backend Java, UML, and Agile experience.
Java, Spring, Oracle SQL, SQL Server, Eclipse, Maven, Gradle, microservices, UML
1mo
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Full Stack Software Engineer (TS/SCI)
Herndon or Colorado Springs or Melbourne
$82k-$132k/yr OnsiteFull Time
Vantor
Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.
3+ YOEU.S. citizen with active TS/SCI, Bachelor's in Software Engineering or related STEM, minimum 3 years experience, proficiency with Java/C++/Python, frontend and backend development, containerized microservices, CI/CD, Agile, and related tools.
Java, C++, Python, Vue.js, React, Kafka, Git, ELK, Grafana, Prometheus, Bash, Linux, Subversion, IDE, CI-CD Pipelines
1mo
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Software Developer
Colorado Springs or Melbourne
$91k-$162k/yr HybridFull Time
ENSCO
ENSCO: Provides engineering, science and advanced technology solutions for mission-critical operations.
8+ YOEBachelor's degree with 8+ years' relevant experience, Top-Secret/SCI clearance, U.S. citizenship, full-stack AWS development experience, frontend (JavaScript/TypeScript, React/Angular), backend (Java, Python, Node.js), Docker, CI/CD, infrastructure-as-code, and secure coding practices.
AWS, EKS, Lambda, S3, PostgreSQL, CloudWatch, CloudFormation, Terraform, Jenkins, GitLab CI, GitHub Actions, Docker, Spring Boot, Tomcat, JavaScript, TypeScript, React, Angular, Java, Python, Node.js
2mo
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Software Engineer – C2BMC (Associate, Experienced or Senior)
Colorado Springs or Huntsville
OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
2+ YOEBachelor's degree, Secret clearance, 2+ yrs backend Java/Spring/Oracle SQL/SQL Server, 1+ yrs UML/architecture, 1+ yrs Agile.
Java, Spring, Oracle SQL, SQL Server, UML, Agile, Eclipse, Maven, Gradle, Microservices
2w
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Sr. Associate, Software Engineer (41001)
Colorado Springs, Colorado, United States
$75k-$139k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
2+ YOEBachelor's degree with 2+ years related experience (or grad degree or 4+ years experience), active Secret clearance, experience in Linux backend software, proficiency in C++ and Java, CI/CD exposure.
C++, Java, Linux, CI/CD, DevSecOps, SGP4
3mo
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Software Engineer II - TS w/ SCI eligibility
Colorado Springs or San Diego or Norfolk
$104k-$181k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOETop Secret clearance with SCI eligibility; 5+ years software development; backend services and APIs; Java, TypeScript/JavaScript; Angular; PostgreSQL; containerized apps; Git/Kibana; strong communication and teamwork.
Java, TypeScript, JavaScript, Angular, PostgreSQL, Docker, Kubernetes, Kafka, Git, Bitbucket
6d
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Full Stack Cloud Native Developer
Colorado Springs, Colorado, United States
$120k-$160k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
10+ YOEBachelor's+ with 9+ years (or advanced degree with fewer years); 10+ years backend development (Python, Java, C#); 4+ years cloud-native/CI/CD; experience with frontend frameworks, microservices, containers, automated testing, and Git/Agile workflows.
React, Angular, Vue, Java, C#, Go, Python, Kubernetes, REST, GraphQL, Kafka, Trivy, CI/CD, JMeter, Selenium, Jest, Git, GitFlow, GitHub Flow, Kanban, Scrum, XP, JIRA, Docker, Linux, Terraform, Helm, Jenkins, AWS, Azure, DAF Cloudworks
6d
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Full Stack Cloud Native Developer
Colorado Springs, Colorado, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
9+ YOEBachelor+9yrs (or Master+7yrs, PhD/JD+4yrs). 10+yrs backend (Python, Java, C#). Front-end with React/Angular/Vue, HTML5/CSS3. 4+yrs CI/CD, cloud (AWS/Azure/DAF Cloudworks). Automated testing, Docker, Linux, microservices. Active TS/SCI.
Python, Java, C#, React, Angular, Vue, HTML5, CSS3, AWS, Azure, DAF Cloudworks, JMeter, Selenium, Jest, Git, Jenkins, Terraform, Helm charts, Kubernetes, Kafka, Docker, Linux, Trivy, GraphQL, REST, JIRA