14 senior backend developer jobs at 8 companies in Simla, CO

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
1w
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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
2w
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Back End Software Developer
Colorado Springs, Colorado, United States
$101k-$175k/yr HybridFull Time
LMI
LMI: Delivers management, technology, and analytics solutions for federal agencies.
5+ YOEBachelor's in CS or related, 5+ years backend development, proficiency in Python/Java/Node.js, REST APIs, relational/NoSQL DBs, Git; TS/SCI clearance eligibility preferred.
Python, Java, Node.js, PostgreSQL, MongoDB, Django, Flask, Spring Framework, Git, Amazon Web Services, Microsoft Azure, Docker
1mo
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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
2w
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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 Back-End Software Application Developer - Clearance Desired
Colorado Springs, Colorado, United States
$112k-$200k/yr OnsiteFull Time
LMI
LMI: Provides management consulting and digital solutions to federal government agencies.
7+ YOEBS in CS/CE or related STEM; 7+ years backend dev; OO languages; SQL/NoSQL; frameworks; cloud; data storage; design principles; Git; performance optimization; problem solving; teamwork.
Python, Java, C++, Node.js, Ruby, MySQL, PostgreSQL, MongoDB, Django, Flask, Spring, Express.js, AWS, Azure, Google Cloud, Git, Data storage, Performance optimization
2mo
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Senior Back-End Software Application Developer - Clearance Desired
Colorado Springs, Colorado, United States
$112k-$200k/yr OnsiteMultiple Commitments Available
LMI
LMI: Delivers management, technology, and analytics solutions for federal agencies.
7+ YOE7+ years as a back-end developer; BS in Computer Science/Engineering; strong OO languages; SQL and NoSQL experience; cloud familiarity; security best practices; team collaboration.
Python, Java, C++, Node.js, Ruby, MySQL, PostgreSQL, MongoDB, Django, Flask, Spring, Express.js, AWS, Azure, Google Cloud, Git
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
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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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 I - TS w/ SCI eligibility
Colorado Springs or San Diego or Norfolk
$75k-$131k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
3+ YOETop-Secret clearance with SCI eligibility; 3+ years software development; backend services and APIs; Java, TypeScript/JavaScript; Angular; PostgreSQL; strong teamwork.
TypeScript, JavaScript, Angular, Docker, Kubernetes, Git, PostgreSQL, Kafka
2mo
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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
1mo
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Software Engineer Sr
Colorado Springs or King of Prussia
$93k-$164k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Experienced front- and backend software engineer familiar with DevSecOps, GitLab/GitHub, Docker, Kubernetes, web frameworks (.NET Core, Spring Boot, Angular, React), automated testing tools (Cypress, Playwright, Postman), US citizenship and ability to obtain Secret clearance.
DevSecOps, GitLab, GitHub, Docker, Kubernetes, AstroUx, .NET Core, Spring Boot, Angular, React, Cypress, Playwright, Postman
3mo
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Software Engineers, C2BMC Missile Defense (Associate, Mid Level, Senior)
Colorado Springs or Huntsville
$99k-$217k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
2+ YOE2+ years backend development (Java, Spring), Unix/Linux, Git/Eclipse/Jira/VersionOne, SysML; active Secret clearance; bachelor’s degree.
Java, J2EE, Spring, Oracle SQL, SQL Server, Unix, Linux, Git, Eclipse, Jira, VersionOne, SysML, Eclipse, Maven, Gradle
3mo
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Software Engineers, C2BMC Missile Defense (Associate, Mid Level, Senior)
Colorado Springs or Huntsville
$99k-$217k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
2+ YOEBachelor’s degree, active Secret clearance, 2+ years backend Java development, Unix/Linux, Git/Jira/VersionOne, SysML.
Java, Spring, Oracle SQL, SQL Server, Unix, Linux, Git, Jira, VersionOne, SysML, Eclipse, Maven, Gradle, Microservices