895 senior software development engineer jobs at 294 companies in Elizabeth, CO
2mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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++
3d
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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)
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
Software Engineer, Senior
Aurora, Colorado, United States
$87k-$198k/yr OnsiteFull Time
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
2w
Save
Mark Applied
Hide
Software Engineer, Senior
Aurora or Dayton or Chantilly or El Segundo or Colorado Springs
$87k-$198k/yr OnsiteFull Time
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
6d
Save
Mark Applied
Hide
Senior Software Engineer, Risk
San Francisco or Denver or New York City or Seattle or San Jose or Scottsdale
$185k-$205k/yr HybridFull Time
8+ YOERequires 8+ years of software development experience, production architecture expertise, end-to-end project ownership, technical leadership, reliable software development, and experience using AI tools.
Ruby, Rails, TypeScript, React
2w
Save
Mark Applied
Hide
Senior Software Engineer
Littleton, Colorado, United States
$150k-$180k/yr OnsiteFull Time
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.
1d
Save
Mark Applied
Hide
Senior Software Engineer
Denver, Colorado, United States
$140k-$185k/yr HybridFull Time
Strong software engineering fundamentals, production systems experience, backend expertise, full-stack capability, sound technical judgment, and ability to work independently in evolving environments.
.NET, C#, Entity Framework Core, React, Java, Spring Boot
Explore Jobs