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28 sr api developer jobs at 21 companies in Pueblo, CO

1mo
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Application Developer - Senior
Colorado Springs or Reston
$60k-$180k/yr HybridFull Time
Aleut Federal
Aleut Federal: Provides infrastructure and technical services to federal government agencies.
7+ YOE7+ years software development, 5+ years ServiceNow, Java knowledge, 4+ years development lead experience, integration/API development, IT-II/Tier 3/NACLC/ANACI eligibility or current Tier 3 investigation; relevant ServiceNow and agile certifications preferred.
ServiceNow, Java
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1d
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Principal Software Engineer
Colorado Springs or Dayton or Herndon
$175k-$200k/yr HybridFull Time
Auria
Auria: Engineering and software solutions for space and defense missions.
Software development experience with Unix/Linux, microservices, messaging, REST APIs, Agile/DevOps, Python, Java, JavaScript/React, and Cucumber; ability to obtain and maintain Top Secret clearance.
Unix, Linux, RabbitMQ, REST APIs, Agile, DevOps, Python, Java, JavaScript, React, Cucumber, CI/CD, GitHub, GitLab, Jira, Sphinx, NASA GMAT
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1mo
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Senior Software Engineer
Colorado Springs or Boston
HybridFull Time
Odyssey Systems
Odyssey Systems: Provides engineering, integration, and technical services to defense clients.
5+ YOEUS citizen with active Secret clearance, BS in a STEM field, 5+ years software development experience in scientific/high-performance computing, proficiency with TypeScript/React and Julia or other high-performance languages, parallelism and REST API experience.
TypeScript, React, Julia, C++, Rust, Fortran, Python, NumPy, Numba, Cython, DifferentialEquations.jl, SatelliteToolbox.jl, PackageCompiler.jl, ONNX.jl, ONNX Runtime, CesiumJS, Resium, CZML, Electron, electron-builder, HTTP.jl, GitHub Actions, Recharts, Plotly.js, NSIS, AppImage
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1mo
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Software Engineer Senior - Secret Clearence
Colorado Springs, Colorado, United States
$93k-$186k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Active Final Secret clearance and US passport, 8140-compliant certification (e.g., Security+), proficiency in Python/Java/Bash/Powershell, CI/CD (GitLab, Jenkins), Git, REST API, DevOps/automation, and strong communication skills.
GitLab, Jenkins, GitLab CI, Git, Python, Java, Bash, Powershell, REST API, Ansible, Terraform, CloudFormation, VMware Aria, Docker, Kubernetes, AWS, Azure, GCP, JavaScript, React, TypeScript, HTML, CSS, Microsoft PowerPoint, Microsoft Visio
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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
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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
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1mo
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Senior Engineer I-Software
Colorado Springs, Colorado, United States
$70k-$105k/yr OnsiteFull Time
Microchip Technology
Microchip TechnologyNasdaq: MCHP: Manufacturer of microcontrollers, analog, and mixed-signal integrated circuits.
5+ YOEBachelor's or master's in computer science or related, 5+ years software development, experience with .NET, SQL, enterprise apps, technical leadership and mentoring, ability to work onsite in Colorado Springs and occasional off-hour global meetings.
Microsoft .NET, Visual Studio, C#, ASP.NET, Visual Basic, MVC, Web API, WCF, JavaScript, jQuery, HTML5, CSS3, SQL, Oracle, Microsoft SQL Server, SSRS, SSIS, Microsoft O365, Team Foundation Server, ETL
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3d
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Full Stack Software Engineer
Colorado Springs or Beltsville
$125k-$145k/yr RemoteFull Time
Omitron
Omitron: Provides aerospace engineering and mission operations for space programs.
5+ YOEBachelor's degree in a technical discipline plus 5+ years of technical experience, or equivalent experience; US citizenship, clearance eligibility, full-stack development, APIs, databases, Git, CI/CD, and Agile experience required.
Mattermost, React, Angular, Vue, JavaScript, Go, Python, Java, C#, MS SQL, PostgreSQL, MySQL, Scrum, Kanban, Lean, Scaled Agile Framework, GitOps, Git, GitLab, GitHub, Jenkins, Slack, Microsoft Teams, Platform One, Docker, Amazon Web Services (AWS), VPC, EC2, S3, Lambda, Kubernetes, Keycloak, Appgate, Okta, Bash, PowerShell
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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
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2mo
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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
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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
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1mo
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Advanced Full Stack Developer
Centennial or Tucson or Colorado Springs
$133k-$178k/yr OnsiteFull Time
Rincon Research Corporation
Rincon Research Corporation: Designs high-performance digital signal processing solutions for defense missions
8+ YOEDegree in Computer Engineering or Computer Science; 8+ years full-stack experience; proficiency in C++, Python on Linux, JavaScript/CSS/HTML, RESTful APIs, SQL and relational data modeling; experience with DevOps/Cloud (GitLab, CI/CD, Docker, Kubernetes, pip); ability to obtain/hold TS/SCI and U.S. citizenship required.
C++, Python, Linux, JavaScript, CSS, HTML, Vue, React, Angular, RESTful APIs, SQL, GitLab, CI/CD, Docker, Kubernetes, pip
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1mo
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Senior Java Developer
Denver or Colorado Springs
RemoteFull Time
Blue Rose Consulting Group
Blue Rose Consulting Group: Provides IT and management consulting services to government agencies.
8+ YOEU.S. citizen with active Secret clearance and 8+ years Java development experience; skilled with Spring Boot, Hibernate, Struts2/J2EE, cloud (AWS/Azure), APIs, and CI/CD.
Java, Spring Boot, Hibernate, Struts 2, J2EE, Oracle, SQL Server, JUnit, SAML, AWS, Azure, CI/CD, Login.gov, SAFe
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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
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1mo
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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
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2w
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Infoblox Engineer - TS/SCI with Polygraph
Annapolis Junction or Sterling or Colorado Springs
$157k-$213k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
15+ YOEActive TS/SCI with Polygraph, 15+ years IT experience, DoD 8570 IAT Level II, CDCA, DNS/DHCP/IPAM expertise, Python and API experience, bachelor's in IT or 12+ years relevant experience.
Infoblox, DNS, DHCP, IPAM, BIND, NTP, Python, APIs
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2w
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Infoblox Engineer - TS/SCI with Polygraph
Annapolis Junction or Sterling or Colorado Springs
$157k-$213k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
15+ YOEActive TS/SCI with polygraph, meet DoD 8570 IAT Level II, CDCA certification, 15+ years related experience, DNS/DHCP/IPAM expertise, Python and API experience, strong troubleshooting and communication skills.
Infoblox, BIND, NTP, Python, APIs
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2mo
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AI/ML Engineer - ELSYS - Colorado Springs, CO - (Open Rank)
Colorado Springs, Colorado, United States
OnsiteFull Time
Georgia Tech Research Institute
Georgia Tech Research Institute: Performs applied scientific research and engineering for various organizations.
5+ YOEExperience with Python, relational databases, web APIs, LLM integration, data pipelines, ML frameworks (PyTorch/TensorFlow/Scikit-learn/NumPy), and Git; U.S. citizenship and ability to obtain security clearance required; advanced degree/experience combinations preferred.
Python, PostgreSQL, MySQL, REST, GraphQL, PyTorch, TensorFlow, Scikit-learn, NumPy, Git, NVIDIA Omniverse, Isaac Sim, Unified Data Library (UDL), Model Context Protocol, LangChain, LlamaIndex, Platform One, AWS GovCloud, Azure Government, RDF, OWL, SPARQL, Docker, Kubernetes
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1w
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Infoblox Systems Engineer - Active TS/SCI with CI Poly
Sterling or Annapolis Junction or Colorado Springs
OnsiteFull Time
ENS Solutions
ENS Solutions: Provides cybersecurity and identity management solutions to government agencies.
12+ YOECDCA certification, Active TS/SCI clearance, extensive enterprise DNS/DDI experience, strong DNS/DHCP/IPAM/BIND/NTP knowledge, Python and API experience, bachelor's in IT or 12+ years' IT experience, strong troubleshooting and communication skills.
Infoblox, DNS, DHCP, IPAM, BIND, NTP, Python, APIs
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1w
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Solutions Engineer
Denver or Dallas or Boulder or Little Rock or Colorado Springs
$209k-$275k/yr RemoteFull Time
Cisco
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
5+ YOE5+ years in service provider networks with optical/transport and routing expertise; knowledge of Cisco platforms, networking protocols, automation, and strong communication skills.
NCS1k, NCS2k, IOS XR, BGP, EVPN, OSPF, IS-IS, MPLS-LDP, SR-MPLS, SRv6, AWS, GCP, Azure, Terraform, Splunk, APIs
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