63 api engineer jobs at 38 companies in Calhan, 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
1mo
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AI Operations Engineer - Supply Chain
Centennial, Colorado, United States
$100k-$135k/yr HybridFull Time
Quantum
QuantumNASDAQ: QMCO: Provides data storage and management solutions for unstructured data.
5+ YOE5+ years experience applying automation, data engineering, or AI/ML to operations; production deployment experience; integration with ERP and enterprise systems; strong Python, API, and data pipeline skills; supply chain/manufacturing domain knowledge.
Python, APIs, data pipelines, automation tools, ERP, AI/ML
1mo
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Senior Systems Engineer
El Paso County or Huntsville
$112k-$196k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
7+ YOEBS in STEM, 7+ years in systems engineering/software integration/enterprise architecture, active Secret clearance, API integration, MBSE/SysML, cloud/container experience, dashboard and DevSecOps familiarity.
SysML, Cameo, MagicDraw, Sparx EA, Rhapsody, Power BI, Tableau, Grafana, Kibana, Kubernetes, GitLab, Terraform, CI/CD, Link 16
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
1mo
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Senior Electrical Engineer
The Woodlands or Peachtree Corners or Savannah or Tampa or Englewood
OnsiteFull Time
Pond & Company
Pond & Company: Architecture, engineering, and construction management for infrastructure projects.
10+ YOEBachelor's in Electrical Engineering or Technology, PE license (or in progress), 10+ years electrical experience, knowledge of IEEE/API/NFPA, experience with fueling/oil & gas/energy projects, AutoCAD/ETAP/SKM proficiency, client interfacing and mentorship experience.
AutoCAD, ETAP, SKM, PLC, SCADA, EFSO/ESD
2w
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Senior Data and Network Engineer
Colorado Springs, Colorado, United States
$165k-$185k/yr OnsiteFull Time
Modern Technology Solutions, Inc.
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
8+ YOERequires 8+ years DoD/IC experience, active SECRET clearance and U.S. citizenship, TS/SCI eligibility, BS in engineering (MS preferred), expertise in data analytics, networking, cloud, sensors, ML, scripting/APIs, visualization, and presenting to technical and leadership audiences.
AWS, TensorFlow, PyTorch, Ray, SciKit Learn, Git, JIRA, Tableau, Qlik, PostgreSQL, MongoDB, Docker, Kubernetes, MBSE, Confluence, Python, SQL, C++, MATLAB, VBA, C#, Java, Azure, Nutanix, VMWare
2w
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Software Integration Engineer
Warrenton or Fort Eisenhower or Centennial or Augusta
$150k-$200k/yr OnsiteSeasonal
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
8+ YOEU.S. citizen with active TS/SCI, Bachelor's in CS/IS/Software Engineering, minimum 8 years relevant experience, end-to-end API/integration ownership, experience with REST/SOAP/GraphQL and Kafka/Azure Service Bus/SQS.
APIs, REST, SOAP, GraphQL, Kafka, Azure Service Bus, SQS
1w
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Data Engineer
Centennial, Colorado, United States
$125k-$170k/yr OnsiteFull Time
Grey Matters Defense Solutions
Grey Matters Defense Solutions: Develops software and AI algorithms for national defense missions.
TS/SCI clearance required; experience building and maintaining end-to-end data pipelines; Python data stack experience; knowledge of APIs, relational databases, and software design patterns.
Python, Pandas, NumPy, PyTorch, Ultralytics, Docker, Dask, APIs, PyArrow, Ray, Continuous Integration/Continuous Development (CICD)
1mo
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Senior Software Engineer
Colorado Springs, Colorado, United States
$120k-$185k/yr OnsiteFull Time
GXM Technologies
GXM Technologies: Delivering rapid software solutions and innovation for defense organizations.
8+ YOEU.S. citizen with active TS/SCI clearance, Bachelor's in CS/SE/IS/Engineering, 8+ years software engineering experience, RESTful APIs, microservices, cloud-native, Java/Python/C#/JavaScript, Agile/DevSecOps experience.
Java, Python, C#, JavaScript, Kubernetes, RESTful APIs
1mo
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Senior Software Engineer (Frontend Developer)
Colorado Springs or King of Prussia
$93k-$186k/yr HybridFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
3+ YOEFrontend engineer with Angular, JavaScript, HTML, CSS; Docker and REST API experience; UI/UX tooling (Figma, MockFlow, UXPin, Axure); 3+ years' relevant experience; US citizenship and Secret clearance required.
Angular, JavaScript, CSS, HTML, Docker, REST APIs, Figma, MockFlow, UXPin, Axure, Cypress, Selenium, Playwright, Jest, GitLab CI/CD, Helm, Kubernetes, gRPC, Python, Flask
1w
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Software Engineer, Vertasyn Lead
Denver or Colorado Springs
$145k-$170k/yr OnsiteFull Time
Entarian
Entarian: Provides mission-critical engineering and technology solutions for government agencies.
10+ YOEActive Top Secret/SCI eligibility, bachelor’s in IT/CS/engineering (or equivalent), 10+ years software engineering experience with Node.js, React, Python, Kubernetes, AWS, distributed systems, API design, and SQL; strong technical communication and ~25% travel.
Vertasyn, Node.js, React, Python, Kubernetes, AWS, SQL, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Microsoft Project, Microsoft Outlook
2mo
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Senior Software Engineer
Colorado Springs, Colorado, United States
OnsiteFull Time
NextGen Federal Systems
NextGen Federal Systems: Provides advanced software engineering and mission support to federal agencies.
5+ YOESenior software engineer with 5+ years in aerospace/defense, STK experience, TS/SCI eligibility, strong Python/Flask, React, API integration, Docker, cloud.
STK, STK Engine, STK Components, Cesium, Python, Flask, React, REST, Git, Docker, Cloud, MBSE, Digital Thread
3d
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IT Engineer
Washington, D.C. or Raleigh or Durham or Chapel Hill or Denver or Colorado Springs or Dallas or Fort Worth
$95k-$110k/yr RemoteFull Time
Second Front Systems
Second Front Systems: Secure cloud hosting and automated compliance for government software.
3+ YOE3+ years IT engineering experience; hands-on with Okta, Google Workspace, Jamf; scripting in Python/Bash/PowerShell; identity, endpoint, and SaaS administration; strong troubleshooting and communication skills.
Okta, Google Workspace, Jamf, Python, Bash, PowerShell, APIs
1mo
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AL/ML Engineer
Air Force Academy, Colorado, United States
$175k-$220k/yr OnsiteFull Time
GovCIO
GovCIO: Provides technology and mission support services to federal agencies.
12+ YOEBachelor's with 12+ years (or commensurate experience). Must design automated data pipelines, develop and fine-tune LLMs and agentic systems, use Python and C++, build APIs, and design secure sandboxed AI environments.
Python, C++, LLMs, APIs, Modeling & Simulation (M&S), MLOps
2mo
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Senior Software Engineer
Colorado Springs, Colorado, United States
$194k-$262k/yr OnsiteFull Time
Four Sea Group
Four Sea Group: Technical mission support and software engineering for aerospace.
10+ YOESeasoned software engineer lead with architecture, mentoring, and delivery across complex, mission-critical systems.
C++, Python, Git, Linux, APIs, Distributed systems, Docker, Kubernetes, Jenkins, GitLab
2d
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Modernization Software Engineer (Associate or Mid-Level)
Colorado Springs, Colorado, United States
$85k-$141k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
1+ YOEBachelor's degree or equivalent, 1+ years systems/software engineering experience, software integration and test experience, familiarity with web development, APIs, Java, and Agile toolchains.
ReactJS, Redux, JavaScript, TypeScript, HTML, CSS, RESTFul APIs, Java, Atlassian Suite, Jira, Confluence, Bitbucket
2d
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Software Engineer II (Mobile Engineer)
Centennial, Colorado, United States
$115k-$125k/yr HybridFull Time
Alarm.com
Alarm.comNasdaq: ALRM: Provides cloud-based smart home security and automation solutions.
2+ YOEBachelor's in CS or related field, 2+ years React Native mobile experience, proficiency with mobile testing/debugging, RESTful APIs/JSON, Git, strong communication and self-learning skills.
React Native, RESTful APIs, JSON, Git, Keycloak, OAuth 2.0, OpenID Connect, CI/CD
1mo
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DevSecOps Engineer - Aurora, CO or Meridian, CO
Aurora or Meridian
$79k-$237k/yr HybridFull Time
ICR
ICR: The organization provides technology and security-focused software services.
Bachelor's in CS/CS Engineering/EE; Top Secret with SSBI/SCI; Docker, Kubernetes; CI/CD; Windows/Linux APIs; client/server networks; strong problem-solving and communication.
Docker, Kubernetes, Rancher, Nexus, Harbor, Git, Gitlab CI, Jenkins
1mo
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Senior C#/.Net Developer
Lone Tree, Colorado, United States
$150k-$170k/yr OnsiteFull Time
Charles Schwab
Charles SchwabNYSE: SCHW: Financial services, brokerage, and investment management provider.
7+ YOE7+ years in software development with .NET, C#, DDD, REST APIs, SQL Server, CI/CD, and leadership.
.NET, C#, ASP.NET, REST API, SQL Server, GitHub, CI/CD, IIS, Windows Services, DDD, SOLID, Unit Testing, Integration Testing
1w
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Software Engineer
Colorado Springs or Boston
HybridFull Time
Odyssey Systems
Odyssey Systems: Provides engineering, integration, and technical services to defense clients.
1+ YOEUS citizen with active Secret clearance, B.S. in a STEM field, 1+ years software development experience; proficiency in TypeScript/Python/Java/C++/Rust/Julia, React, REST APIs, and writing tested, maintainable code.
TypeScript, Python, Java, C++, Rust, Julia, React, Cesium, Resium, Electron, MATLAB, NumPy, SciPy, GeoJSON, CZML, React Testing Library
1w
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Ticketing Application Developer II
Englewood, Colorado, United States
$63k-$90k/yr OnsiteFull Time
EchoStar
EchoStarNasdaq: SATS: Global provider of satellite solutions and wireless communications services.
Bachelor's degree or equivalent experience, significant application development experience (case management/ticketing), advanced Python and JavaScript, API design, Microsoft SQL Server and AWS Athena, CI/CD pipeline familiarity, AI literacy, strong collaboration and documentation skills.
Python, JavaScript, Microsoft SQL Server, AWS Athena, API, CI/CD