541 senior software engineer jobs at 144 companies in Black Forest, CO

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Senior Software Engineer
Littleton, Colorado, United States
$120k-$150k/yr OnsiteFull Time
OASYS
OASYS: Provides technology services and products for government and defense.
Full-time Senior Software Engineer with C/C++ experience; US citizen; security clearance required.
C, C++
3mo
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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
3mo
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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
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
$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
$127k-$190k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
5+ YOETS/SCI with Polygraph, bachelor's in computer science or related, 5+ years software engineering, proficiency with Java and Spring Boot, experience with React, containerized apps, Kubernetes, and CI/CD tools.
Java, Spring Boot, React, Kubernetes, Docker, GitLab, Ansible, MongoDB, C++, SQL
1mo
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Senior Software Engineer
Highlands Ranch or Houston
$93k-$186k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
3+ YOEB.S. in engineering or related, 3+ years software engineering experience, proficiency in C++ and Python, Linux experience, full software lifecycle and debugging experience, real-time simulation and aerospace knowledge preferred.
C++, Python, MATLAB/Simulink, Linux, Perforce
1w
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Software Engineer, Senior
Aurora, Colorado, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
8+ YOERequires 8+ years of software development, technical leadership, architecture for distributed systems, Agile, Git, databases, Python, AWS, Kubernetes, bachelor's degree, and TS/SCI clearance.
Git, SQL Server, PostgreSQL, MySQL, Python, AWS, Kubernetes, Docker, Podman, CI/CD
1w
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Software Engineer, Senior
Aurora or Dayton or Chantilly or El Segundo or Colorado Springs
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
8+ YOERequires 8+ years of software development, technical leadership, distributed systems architecture, Agile, Git, SQL, Python, AWS, Kubernetes, bachelor's degree, and TS/SCI clearance.
Microsoft Internet Explorer, Google Chrome, Mozilla Firefox, Microsoft Edge, Apple Safari, Opera Browser, Blackberry Browser, Git, SQL Server, PostgreSQL, MySQL, Python, AWS, Kubernetes, Docker, Podman, DCO-S
1w
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Senior Software Engineer
Littleton, Colorado, United States
$150k-$180k/yr OnsiteFull Time
Navstar
Navstar: Provides IT and cybersecurity solutions to the intelligence community.
5+ YOEActive TS/SCI clearance with polygraph; bachelor's degree and 5 years of professional experience, or related master's degree and 3 years of experience. Software development lifecycle experience required.
1mo
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Senior Software Engineer
Centennial, Colorado, United States
OnsiteFull Time
Grey Matters Defense Solutions
Grey Matters Defense Solutions: Develops software and AI algorithms for national defense missions.
10+ YOE10+ years software development experience; proficiency with Java, Spring, Angular, Typescript, Docker, microservices, PostgreSQL/Mongo, Unix/Linux; bachelor’s in CS/IT; active Top Secret clearance preferred.
Java, Spring Framework, Angular, Typescript, Docker, PostgreSQL, Mongo, Unix/Linux, Git, Gitlab, Kubernetes, ActiveMQ, WebSockets, HTTP, REST, CI/CD
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
1mo
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Senior Software Engineer
Colorado Springs or Boston
$130k-$160k/yr HybridFull Time
Odyssey Systems
Odyssey Systems: Provides technical engineering and program management for government agencies.
5+ YOEUS citizen with active Secret clearance, B.S. in STEM, 5+ years software development with depth in scientific/numerical computing; proficiency in TypeScript/React and a high-performance language; experience with parallelism and CI/CD.
DifferentialEquations.jl, SatelliteToolbox.jl, ONNX.jl, CZML, CesiumJS, Resium, Recharts, Plotly.js, GitHub Actions, PackageCompiler.jl, electron-builder, HTTP.jl, TypeScript, React, Julia, C++, Rust, Fortran, Python, ONNX Runtime
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
1mo
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Senior Software Engineer (Onsite)
Aurora, Colorado, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEActive transferable TS/SCI clearance and U.S. citizenship required; 5+ years software engineering experience (or advanced degree +3 yrs); experience with object-oriented development in Java; exposure to cloud platforms and Agile; travel up to 25%.
Java, AWS, Azure
2w
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Senior Associate- Software Engineer
Irvine or Englewood
$110k-$150k/yr OnsiteFull Time
Redwood Trust
Redwood TrustNYSE: RWT: Provides residential and commercial mortgage financing and investment services.
5+ YOEBachelor's degree,5+ years software engineering or fintech experience,strong Python and SQL,Azure and REST API integration experience,ETL and data quality skills,Git/CI-CD and Agile,ability to integrate vendor financial platforms.
Python, SQL, Microsoft Azure, Azure Functions, Azure Container Apps, Azure Kubernetes Service (AKS), Azure API Management (APIM), Azure Storage, Microsoft Entra ID (Azure AD), Managed Identities, Azure Key Vault, REST APIs, JSON, XML, SQL Server, Azure SQL Database, Bloomberg TOMS, Bloomberg MARS, Workday Financials, TPG Accounting Subledger, FIS Integrity, Git, CI/CD, Agile, ETL
2mo
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Regional Senior Software Engineer, CUDA
Colorado Springs, Colorado, United States
$150k-$185k/yr OnsiteFull Time
Trace3
Trace3: Provides IT consulting and technology solutions for enterprise digital transformation.
5+ YOE5+ years software engineering; DoD Secret clearance; CUDA experience; C++ and Linux proficiency; radar/signal processing experience preferred
CUDA, cuFFT, cuBLAS, C++, Linux, NVIDIA MatX, Docker, Podman, Radar signal processing
2mo
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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
6d
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Engineer Senior – Ground/Application Software
Aurora, Colorado, United States
$97k-$165k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
4+ YOEBachelor's degree in engineering or a related technical field and 4+ years of experience required. Requires active TS/SCI clearance, software development experience, and U.S. citizenship.
CI/CD, Docker, Kubernetes, C/C++, Rust, Python, Ruby, AWS, Lambda, Spring, Jersey, Flask, CherryPy, Ruby on Rails, JavaScript, Angular, React, JavaFX, Qt, SQL, NoSQL, JPA/ORM, UML, MQTT, AMQP, Kafka, Vue, Nginx, Apache, Postgres, MATLAB, Cameo, PlantUML, DevSecOps, gtest, ctest, Agile
1mo
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Senior Software Engineer- Full Stack
Centennial, Colorado, United States
$111k-$160k/yr HybridFull Time
Daxko
Daxko: Software solutions for managing fitness and community centers.
7+ YOE7+ years full-stack software engineering experience with Java/Spring Boot, React/TypeScript, deep SQL Server expertise, testing discipline, and legacy-system migration experience.
Java, Spring Boot, pnpm, React, TypeScript, Vite, MUI, TanStack Query, Zod, ColdFusion, Docker, GitLab CI, AWS, S3, DynamoDB, KMS, Kubernetes, JUnit, WireMock, Vitest, Playwright, Selenium, SQL Server, Flyway, OpenAPI, RabbitMQ, Kafka