89 senior software engineer python jobs at 39 companies in Fountain, 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
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
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
2mo
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Senior Ground Software Engineer, Space
Colorado Springs or Costa Mesa
$165k-$218k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
8+ YOESenior software engineer with 8+ years in languages like Java, Python, C++, Rust; Space C2 experience; clearance eligibility; strong communication.
Go, Rust, C++, Kubernetes, OpenShift, Helm, Python, Java, JavaScript
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
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
Colorado Springs, Colorado, United States
$120k-$160k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
5+ YOEBachelor's degree and 5+ years' experience, active Secret clearance, experience with C/C++, Java, Python, FORTRAN, and Agile development; ability to develop, test, and deploy software for radar systems.
C/C++, Java, Python, FORTRAN, Agile
1w
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Senior Software Engineer
Colorado Springs or Beavercreek
$116k-$174k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
5+ YOE5–8 years software development experience, active U.S. Top Secret/SCI clearance, bachelor’s in CS or related, 4+ years with Java or Python, distributed systems experience, mentoring and architecture skills.
Java, Python, MIL-STD-6016, MIL-STD-3011, CI/CD, TDD
1mo
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Senior Software Engineer
Warrenton or Colorado Springs or Florida
$110k-$150k/yr HybridFull Time
Auria
Auria: Engineering and software solutions for space and defense missions.
5+ YOEActive Secret clearance and US citizenship required; 5+ years systems engineering; Bachelor's in CS or equivalent; strong Python (asyncio), C++ (C++17/20), pybind11/Cython, Kubernetes/Docker, Linux internals, CI/CD (ArgoCD, GitHub Actions), Prometheus/Grafana.
Python, asyncio, C++, pybind11, Cython, Kubernetes, Docker, ArgoCD, GitHub Actions, Prometheus, Grafana, CMake, GitLab CI/CD
1mo
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SENIOR SOFTWARE DEVELOPER/ENGINEER (CLOUD/CYBER)
Huntsville or Aberdeen or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
Sentry Construction
Sentry Construction: Provides general contracting and comprehensive property maintenance services.
7+ YOEBS in CS/Software Eng or equivalent, 7+ years software development experience, DoD Top Secret/SCI eligibility, experience with Python, containers, AI/LLMs, databases, Linux, AWS, and Agile/Scrum.
LLMs, Ollama, LM Studio, Python, C#, Go Lang, React, JavaScript, HTML, CSS, Git, Docker, Bash, TensorFlow, PyTorch, SQL, MongoDB, PostgreSQL, Redis, Linux, AWS, RESTful API, Agile/Scrum
1w
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Senior Software Engineer
Colorado Springs, Colorado, United States
HybridFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
5+ YOEBachelor's degree with 5+ years' experience, active Secret clearance, experience with C/C++, Java, Python, FORTRAN, and Agile development; real-time embedded and leadership experience desired.
C/C++, Java, Python, FORTRAN
2w
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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
2w
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Senior Software Systems Engineer
Los Angeles or Boston or Colorado Springs
$156k-$244k/yr RemoteFull Time
Revolution Space
Revolution Space: Building advanced in-space propulsion systems for satellites.
10+ YOEBachelor's in CS/Engineering,10+ years systems engineering experience,proficiency in Python/C++/Java/JavaScript,OS and networking knowledge,EMR? (not applicable),requirements tools experience,ability to obtain U.S. security clearance.
Python, C++, Java, JavaScript, Linux, Windows Server, TCP/IP, DNS, MS Excel, DOORS, Large Language Models, AWS, Azure, GCP, Ansible, Docker, Kubernetes, MBSE, SysML
2w
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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
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
2d
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Software Engineer - MID
Colorado Springs, Colorado, United States
$109k-$147k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
5+ YOETS/SCI clearance, US citizenship, 5+ years software development, Bachelor’s in CS or related, proficient in Python and JavaScript/TypeScript, Flask/FastAPI, Postgres, SQLAlchemy, Git; experience with AWS, Docker, Kubernetes, CI/CD.
Python, JavaScript, TypeScript, Streamlit, React, Flask, FastAPI, Postgres, SQLAlchemy, Elasticsearch, AWS, Docker, Kubernetes, Git, CI/CD
1w
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Software Engineer SME
Colorado Springs, Colorado, United States
$180k-$200k/yr OnsiteFull Time
Trace3
Trace3: Provides IT consulting and technology solutions for enterprise digital transformation.
10+ YOEBachelor's degree,10+ years software engineering with enterprise Oracle and Linux,DoD Secret clearance,DoD 8570 IAT Level II,experience with Oracle upgrades,RMAN/GoldenGate, RHEL administration, scripting and automation.
Oracle RMAN, Data Pump, GoldenGate, Oracle Enterprise Manager, RHEL, SELinux, systemd, Bash, Python, PowerShell, Docker, KVM, VMware, Java, Ansible
1mo
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Software Engineer II
Colorado Springs, Colorado, United States
$104k-$181k/yr HybridFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOEBachelor's in Computer Science or related with 5+ years experience (or equivalent), Java back-end development, strong communication, ability to prototype software; Top-Secret clearance and experience with Docker, Kubernetes, Kafka, JavaScript frameworks, Python, and ML tools are preferred.
Java, JavaScript, Angular, React, Docker, Kubernetes, Kafka, Linux, Jupyter, Apache Spark, Google TensorFlow, Python
3mo
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Senior Test Engineer
Colorado Springs or San Jose
$108k-$155k/yr OnsiteFull Time
Sanmina
SanminaNASDAQ: SANM: Designs and manufactures complex electronics and mechanical systems.
8+ YOEBS in engineering or computer science; 8+ years in test engineering; strong OS knowledge (Linux/Windows/Unix); scripting (Python, Bash); hardware/software interop; BMC/BIOS/SES firmware experience preferred; GPU testing a plus.
Python, Linux, Bash, Git, Jira, Bugzilla, Windows, Unix, BMC, BIOS, SES, GPU testing
1w
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AI Software Solutions Engineer
Colorado Springs, Colorado, United States
OnsiteFull Time
Keysight Technologies
Keysight TechnologiesNYSE: KEYS: Provides electronic design, test, and simulation software and hardware.
8+ YOE8+ years software development with 3+ years senior role, Bachelor\u0002s in CS/EE/Data Science, mastery of C++, C#, Rust, Python, Java, Git and CI/CD; measurement domain knowledge for oscilloscopes/BERTs/AWGs; experience deploying production software and familiarity with AI data flows.
C++, C#, Rust, Python, Java, Git, CI/CD, LangGraph, AutoGen, CrewAI, Semantic Kernel, SHAP, LIME
1w
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Principal/ Sr Principal Software Signal Processing Engineer
Colorado Springs, Colorado, United States
$104k-$155k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOEActive DoD Secret clearance, expertise in C++, Java, Python, CUDA and Linux, experience in RF/radar signal processing, GPU optimization and NVIDIA MatX, and 5+ years software engineering experience (senior levels require more).
C++, Java, Python, CUDA, Linux, NVIDIA MatX, cuFFT, cuSignal, Matlab, DSP System Toolbox, Signal Processing Toolbox, Phased Array System toolsets
2w
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Lead Software Engineer, Phantom Works
Berkeley or Arlington or Mesa or El Segundo or Colorado Springs or Saint Louis
$198k-$286k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
5+ YOEActive U.S. Top Secret clearance, bachelor’s degree or equivalent, 5+ years leading software/system architecture and DevSecOps/DevOps efforts, Agile team lead experience, CI/CD and config management, scripting (Python/Bash).
Git, Jenkins, JIRA, Collaborator, Beyond Compare, VersionOne, Python, Bash, Docker, Kubernetes, AWS GovCloud, Azure Government, MATLAB, Jupyter, C/C++