925 senior software development engineer jobs at 316 companies in Castle Pines, CO
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Senior Software Engineer
Littleton, Colorado, United States
$120k-$150k/yr OnsiteFull Time
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
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 Software Engineer
Denver or Salem
$130k-$150k/yr OnsiteFull Time
5+ YOE5+ years in software development; Bachelor’s or Master’s in CS/Engineering; strong API, security, and data tooling experience.
Git, OpenAPI, OAuth, RabbitMQ, Apache Kafka, Azure Service Bus, Event Hubs, Azure Databricks, TypeScript, C#, F#, PostgreSQL
1w
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Senior or Principal Software Development Engineer - Agent Factory
Boulder or Toronto or Vancouver
$156k-$264k/yr HybridFull Time
8+ YOESenior role requires 8+ years or principal role 12+ years in software development. Requires cloud SaaS, distributed systems, DevOps, CI/CD, testing, observability, Docker, Kubernetes, communication, and a bachelor's degree or equivalent.
AWS, DevOps, CI/CD, Docker, Kubernetes, Elasticsearch, Java, TypeScript
3mo
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Senior Software Engineer
Colorado Springs, Colorado, United States
$194k-$262k/yr OnsiteFull Time
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
3mo
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Senior Software Engineer
Denver, Colorado, United States
$143k-$183k/yr HybridFull Time
5+ YOE5+ years of software development; strong Node.js; AWS; Kubernetes; Datadog; microservices; relational and NoSQL databases; Bachelor's degree in CS or related field.
Node.js, Docker, Kubernetes, AWS, Datadog, Angular, React, Web Components, Kafka, SQL, NoSQL
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Senior Software Engineer
Denver, Colorado, United States
$155k-$195k/yr OnsiteFull Time
6+ YOE5–8 years of professional software development; strong C++, performance optimization; experience with embedded systems, Qt UI, REST/JSON, Agile/CI/CD.
C++, Qt, QtWidgets, QML, REST, JSON, Git, CMake, QMake
3w
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Sr. Software Development Engineer, PEET
Denver, Colorado, United States
$168k-$227k/yr OnsiteFull Time
5+ YOETS/SCI with polygraph required; 5+ years professional software development and architecture experience, bachelor's degree, programming and system design skills, on-call responsibilities, mentoring experience.
Grafana, Prometheus, Wickr, Kinesis Video Streams
1mo
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Head of Software / Sr. Principal Software Development Engineer
Englewood or Denver
$210k-$230k/yr HybridFull Time
10+ YOE10+ MgmtBS in a technical field, 10+ years managing software development and deliveries, experience with DevOps/DevSecOps, CI/CD, AWS/Azure, AI/LLMs, enterprise deployments, and translating customer requirements into software designs.
Claude Code, AWS, Azure, Code Pilot, UML, SysML, CI/CD, DevOps, DevSecOps, LLMs, Agentic AI
3mo
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Senior Ground Software Engineer, Space
Colorado Springs or Costa Mesa
$165k-$218k/yr OnsiteFull Time
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
Denver, Colorado, United States
$104k-$164k/yr HybridFull Time
5+ YOEBS in CS/Software/Computer Engineering (or MS), 5–7+ years software development experience, 3+ years embedded systems experience, experience with safety-critical/regulatory software, strong communication and technical documentation skills.
C, C++
6d
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Senior Software Engineer
Menlo Park or New York City or Bellevue or Washington or Denver or Westlake or Chicago or Lake Mary or Clearwater or Gainesville
HybridFull Time
5+ YOERequires 5+ years of software engineering experience, strong Python or Go coding skills, distributed systems expertise, and experience with load testing, fault injection, chaos engineering, or developer infrastructure.
Python, Go, Kubernetes, CI/CD
1mo
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Senior Software Engineer
Denver, Colorado, United States
$130k-$150k/yr HybridFull Time
10+ YOE10+ years software development experience, 4+ years in senior roles. Strong .NET Core/.NET Framework, React/Angular, SQL Server, AWS, CI/CD experience; Bachelor's in STEM required; experience with AI coding tools preferred.
.NET Core, .NET Framework, React, Angular, SQL Server, AWS, CI/CD, Terraform, Datadog, GraphQL, ElasticSearch, Claude, GitHub Copilot, Cursor, Playwright, Model Context Protocols (MCP)
2w
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Software Development Engineer III – ECLSS and Crew Systems
Washington or Denver
$165k-$231k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
7+ YOERequires a bachelor's degree in software, computer science, aerospace, electrical engineering, or related field; 7+ years developing, verifying, and validating software; C/C++, MATLAB/Simulink, Python, real-time and embedded systems experience.
C, C++, MATLAB, Simulink, Python, Embedded Linux, SPI, I2C, UART, RS-485, Defense Biometric Identification System (DBIDS)
1mo
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Senior Software Engineer
Denver, Colorado, United States
$120k-$150k/yr HybridFull Time
Proven professional software development experience with Clojure, solid SQL/PostgreSQL skills, RESTful API design, SaaS architecture knowledge, testing and engineering best practices, and strong collaboration and communication.
Clojure, ClojureScript, SQL, PostgreSQL, RESTful APIs, AWS, Docker, RabbitMQ, ElasticSearch
1w
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Senior Software Engineer
Boulder or Durham or Texas or Durham
OnsiteFull Time
5+ YOEMaster’s degree or equivalent experience; 5+ years developing software; proficiency in at least two modern languages, preferably Python and JavaScript/TypeScript; cloud, data, and software architecture expertise.
Python, JavaScript, TypeScript, Node.js, React, Next.js, Flask, Django, Streamlit, Amazon Redshift, Amazon Redshift Spectrum, Amazon RDS, Pandas, NumPy, Airbyte, dbt, pytest, Playwright, GitHub Actions, Apache Airflow, AWS Glue, REST, FastAPI, Scrum
3mo
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Sr Staff / Senior Software Engineer
Aurora, Colorado, United States
$130k-$170k/yr OnsiteFull Time
6+ YOEBachelor’s degree in a technical field; 6+ years software engineering; active TS/SCI DoD clearance; 3+ years Linux experience; onsite Buckley Space Force Base in Aurora, CO.
Linux, Docker, Kubernetes, Jira, Confluence
2w
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Principal Engineer – Software Development
Boulder, Colorado, United States
$75k-$232k/yr OnsiteFull Time
10+ YOEBachelor's degree with 10+ years or master's degree with 7–8 years of relevant experience; proficiency in C, C#, Python, SQL; test instrumentation, circuits, signal analysis, and U.S. export eligibility required.
C#, C, Python, SQL, LabVIEW
1w
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Senior Software Engineer
Colorado Springs, Colorado, United States
$98k-$182k/yr OnsiteFull Time
Requires final secret clearance, U.S. citizenship, proficiency in C++, C, C#, or Java, RHEL, Git, and Linux software development experience.
Java, C++, C, C#, Red Hat Enterprise Linux (RHEL), Git, Linux, JIRA, Confluence, Ansible, Eclipse, Maven, Gradle, Fortify, SonarQube
2mo
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Senior Software Engineer
Colorado Springs, Colorado, United States
$120k-$185k/yr OnsiteFull Time
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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