1,171 senior software engineer jobs at 359 companies in Lyons, 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++
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
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
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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++
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)
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Senior Software Engineer
Broomfield, Colorado, United States
$165k-$218k/yr OnsiteFull Time
5+ YOE5+ years relevant experience and BS in CS/Engineering/Math/Physics (or equivalent). Strong C++ and Python skills, foundation in linear algebra/probability/statistics, software engineering fundamentals, and ability to obtain Top Secret/SCI clearance.
C++, Python, SQL, NoSQL, JavaScript, React, Node.js, MATLAB, Simulink
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
3mo
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Senior Software Engineer
Denver, Colorado, United States
$100k-$144k/yr RemoteFull Time
10+ YOEExpert PHP 8.x with 10+ years in PHP frameworks (e.g., Laravel); strong RESTful APIs, Vue.js (6+ years), TypeScript; SPA design; AWS/serverless; Git; Agile; testable code with Pest/PHPUnit.
PHP, Laravel, Vue.js, TypeScript, Git, AWS, New Relic, CloudWatch, Pest, PHPUnit, NPM, Vite, Tailwind CSS
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Senior Software Engineer
Boulder or Austin
$140k-$185k/yr HybridFull Time
Atom Computing: Building scalable quantum computers using arrays of neutral atoms.
5+ YOEBachelor's degree in CS/CE or related, 5+ years software engineering experience, proficiency with Python and SQL, Linux and Git experience, familiarity with automated testing and CI/CD practices, willingness to learn atomic/quantum concepts.
Python, Rust, TypeScript, React, SQL, Linux, Git, Terraform, Azure, AWS, GCP, C++
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Senior Software Engineer
United States or Denver
RemoteFull Time
5+ YOE5+ years software engineering experience, strong Java or C++, 2+ years customer-facing technical experience, cloud (AWS/GCP), Docker/Kubernetes, troubleshoot distributed systems, US work authorization, willing to travel up to 25%.
C++, Java, Kotlin, Docker, Kubernetes, AWS, GCP, Azure, Claude Code, AWS MediaConvert, Elemental, Harmonic, MediaKind
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Senior Software Engineer
Highlands Ranch or Houston
$93k-$186k/yr OnsiteFull Time
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
3mo
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Senior Embedded Software Engineer
Berthoud, Colorado, United States
$125k-$155k/yr OnsiteFull Time
4+ YOEDesign, develop, and maintain embedded software for avionics; strong C/C++ on ARM/SoC/FPGA; hardware interface, debugging tools; Git; team collaboration.
C/C++, ARM, SoC, FPGA, HDL, Git, Oscilloscope, Logic Analyzer, Python, MATLAB
1mo
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Senior Software Engineer
Denver or United States
$120k-$160k/yr HybridFull Time
Experience building production-grade applications with Node.js and TypeScript, REST/GraphQL services, React/Next.js, AWS and container deployments; automated testing and AI-native workflows; senior technical leadership and mentoring.
Node.js, TypeScript, RESTful, GraphQL, React, Next.js, AWS, Docker, Fargate, Kubernetes, Playwright, LiteLLM, Python, Java, PostgreSQL, SNS, SQS, Lambda
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Senior Software Engineer
Loveland, Colorado, United States
$125k-$145k/yr OnsiteFull Time
5+ YOE5+ years software development experience, strong C++ and embedded Linux skills, DevOps with Docker and GitLab CI, AWS/Azure experience, automated testing, bachelor's degree or equivalent preferred.
C++, Embedded Linux, Docker, GitLab CI, AWS, Azure, Qt, Yocto, LIMS, Electronic Health Records (EHR)
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(USA) Senior, Software Engineer
Denver, Colorado, United States
$99k-$198k/yr OnsiteFull Time
7+ YOEBachelor's or equivalent, 7+ years software engineering, strong TypeScript/Node.js, microservices, cloud (AWS/Azure), PostgreSQL and NoSQL, Docker, strong OOP and problem-solving skills.
TypeScript, Node.js, C#/.NET, AWS, Azure, PostgreSQL, Cosmos DB, DynamoDB, AWS Elasticache, Docker
3d
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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
4d
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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
4d
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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.
1w
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Senior Software Engineer
Denver or United States
$140k-$150k/yr RemoteFull Time
5+ YOE5+ years building production software, strong spec authoring and written communication, Rails/full-stack experience, AI-assisted development fluency (Claude Code), ownership and mentorship experience.
Claude Code, Ruby on Rails, Postgres, ElasticSearch, ActiveJob, AWS SQS, Sidekiq, AWS, TypeScript, React, React Native, Chrome
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