661 software system engineer jobs at 243 companies in Colorado
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System Software Engineer II
Longmont, Colorado, United States
$90k-$120k/yr OnsiteFull Time
3+ YOEBachelor's degree required. 3+ years production experience in compiled languages (Rust,C++,Go,Java,C). Experience with Linux (Ubuntu, Yocto), multithreaded systems, debugging complex software, and on-hardware verification.
Rust, C++, Python, Go, Java, C, Ubuntu, Yocto, CAN
3d
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System Software Engineer, UEFI Firmware
Santa Clara or Boulder
$124k-$242k/yr OnsiteFull Time
2+ YOERequires a BS or MS in EE, CS, or CE; 2+ years in low-level operating systems, ARM programming, and system software; strong C programming and debugging; UEFI experience preferred.
UEFI, ACPI, SMBIOS, Linux kernel, C, FPGA, AI development tools
3d
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System Software Engineer, UEFI Firmware
Santa Clara or Boulder
$124k-$242k/yr OnsiteFull Time
2+ YOEBachelor's or master's degree in EE, CS, or CE; 2+ years in low-level operating systems and ARM programming; strong C programming and debugging skills; system software experience preferred.
UEFI, ACPI, SMBIOS, Linux kernel, C, ARM, FPGA, AI development tools, kernel modules, device drivers
2mo
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Ground System Engineer
Colorado Springs or Aurora
$99k-$225k/yr HybridFull Time
3+ YOE3+ years in systems engineering for satellite/ground systems; experience with technical specifications, ICDs, architectures, integration plans; experience with software systems for weapon systems; DoD/space program knowledge; Top Secret clearance; travel up to 10%.
2mo
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Ground System Engineer
Colorado Springs or Aurora
$99k-$225k/yr RemoteFull Time
3+ YOE3+ years systems engineering for satellite/ground systems; experience with ICDs, ground architectures, integration and test plans; experience with software for weapon systems; top secret clearance; HS diploma with 15+ years or Bachelor's with 7+ years in space programs.
DevOps, DevSecOps, Model-Based Systems Engineering, MBSE, IEEE 15288
1w
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Senior Software Engineer, watchOS System Spaces
Boulder, Colorado, United States
OnsiteFull Time
Design and implement systems for the always-running watchOS experience, including notifications and alerts; collaborate with cross-functional teams to deliver features at scale.
1d
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Software Engineer, Wallet
Menlo Park or New York City or Bellevue or Washington or Denver or Westlake or Chicago or Lake Mary or Clearwater or Gainesville
$166k-$195k/yr HybridFull Time
2+ YOE2+ years of software development experience; backend expertise in Go, Python, or Java; cloud-native architecture, system design, data modeling, and software engineering fundamentals required.
Go, Python, Java, EVM blockchains, smart contracts
1mo
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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++
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Principal Software Engineer
Colorado Springs, Colorado, United States
$143k-$214k/yr OnsiteFull Time
10+ YOEActive U.S. Top Secret/SCI clearance, 10+ years software engineering, expertise in distributed high-availability systems, Java/Python, software architecture, and leadership of cross-functional teams.
Java, Python, TDD, CI/CD, DevSecOps, Agile
1mo
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Software Engineer III
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$108k-$149k/yr HybridFull Time
6+ YOEBachelor's degree in CS/Software Engineering or related,6+ years software development experience,proficiency in C++,Java,Python,experience with RTOS/embedded systems preferred,excellent communication and critical thinking.
C++, Java, Python, C, C#, HTML, Bash
1mo
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Software Engineer I
Seattle or Denver or Beaverton or Springfield or Bengaluru
$122k-$157k/yr HybridFull Time
1+ YOE1+ years professional software engineering experience. Familiarity with TypeScript/Node.js/JavaScript, SQL, production systems, CI/CD, containerization, and willingness to participate in on-call rotation.
Node.js, TypeScript, React, Kafka, RabbitMQ, SQS, Docker, Kubernetes, Terraform, CloudFormation, AWS, Datadog, OpenSearch/ELK, Prometheus, Grafana, CI/CD, SQL, Java, C#, Go, REST, GraphQL
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Software Engineer II
Denver, Colorado, United States
$88k-$171k/yr OnsiteFull Time
3+ YOEBachelor's degree or 3 years software engineering experience; familiarity with C#/.NET, cloud-deployed microservices, SQL and messaging systems; strong communication and critical thinking.
C# 12, .NET 8, ASP.NET Core, Microsoft SQL Server, Aurora PostgreSQL, Mongo, MassTransit, RabbitMQ, Swagger/OpenAPI, RestSharp, xUnit, Moq, AWS
1mo
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Software Engineer Stf
Littleton, Colorado, United States
$114k-$201k/yr OnsiteFull Time
US citizen eligible for Top Secret/SCI clearance; hands-on software engineering with Java and/or TypeScript/Angular; experience with Scrum, system requirements verification, Jira and Confluence.
Java, TypeScript, Angular, Jira, Confluence, Kubernetes, Docker, Git, Jenkins, Puppet, JEE, Spring, REST, SOAP, JSON, XML, SAFe
2mo
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Software Engineer
Colorado Springs, Colorado, United States
$104k-$166k/yr OnsiteFull Time
5+ YOEDevelop, integrate, test, and sustain software for NORAD/NCMC IT systems; TS/SCI clearance; DoD/classified environment experience.
Java, Python, Docker, Kubernetes, Git, GitLab, Jenkins, Jira, Confluence, Maven, Gradle
2mo
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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
1mo
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Software Engineer - Integrations
Manchester or Canada or United Kingdom or Alabama or Arizona or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Iowa or Idaho or Illinois or Indiana or Kansas or Massachusetts or Maryland or Maine or Michigan or Minnesota or Missouri or North Carolina or Nebraska or New Hampshire or New Jersey or New Mexico or New York or Ohio or Oklahoma or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Vermont or Washington or Wisconsin or West Virginia
£50k-£80k/yr HybridFull Time
3+ YOE3+ years backend software engineering with distributed systems and integrations; experience designing/operating APIs, webhooks or messaging systems; familiarity with Java, TypeScript/JavaScript, REST, SQL/MySQL; strong communication skills; must be authorized to work in the hiring country.
Java, TypeScript, JavaScript, REST, SQL, MySQL, CI/CD, Claude Code Enterprise
4w
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Software Engineer - RFGL Systems
Washington or Boulder
$90k-$131k/yr HybridFull Time
2+ YOE2+ years software engineering experience, hands-on AWS (EC2,S3,Lambda,ECS/EKS,CloudWatch,IAM), Python, Linux/bash, production systems reliability and monitoring, strong communication and teamwork skills.
AWS EC2, S3, Lambda, ECS, EKS, CloudWatch, IAM, Python, Linux, bash, Spark, Kafka, Databricks, Terraform, Ansible, CloudFormation, Docker, Kubernetes, GitHub Actions, Prometheus, Grafana, ELK, C++
1w
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Software Engineer Principal
Pittsburgh or Strongsville or Dallas or Birmingham or Lakewood
$91k-$202k/yr OnsiteFull Time
12+ YOE12+ years software engineering with enterprise-scale systems, 5+ years supporting WFM/WEM or contact center platforms, experience with cloud-native solutions, architecture, integrations, and technical leadership.
Microsoft SQL Server, Jira, PowerShell, Elasticsearch, Dynatrace, Alvaria, Aspect, Avaya, Verint, Genesys Cloud, Intradiem, Salesforce, LivePerson, ServiceNow
3w
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Software Engineer III
Denver, Colorado, United States
$142k-$165k/yr OnsiteFull Time
5+ YOE5–8 years software engineering experience, fullstack development, proficiency with React, Node.js, TypeScript, RESTful APIs and PostgreSQL; experience with cloud containers, CI/CD, and system design; Bachelor's/Master's or equivalent.
React, CSS, Node.js, TypeScript, RESTful APIs, PostgreSQL, Google Workspace (GMail, Drive, Docs, Sheets, Slides), Slack, Confluence, Jira, Zoom Video, Next.js, Ant, Docker, AWS EKS, CI/CD, Python
1mo
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Propulsion System Engineer/Software Engineer 2
Centennial or Cape Canaveral
$93k-$155k/yr OnsiteFull Time
2+ YOEBachelor's in engineering,2+ years related experience,experience with fluid/cryogenic or pneumatic systems,requirements development,excellent communication,ability to interpret engineering drawings.
Java, Python, Linux
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