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5,646 senior developer jobs at 1,312 companies in Castle Rock, 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++
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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
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Senior Software Engineer
Denver or Salem
$130k-$150k/yr OnsiteFull Time
AutoStore
AutoStoreOslo Stock Exchange: AUTO: Robotic cube storage systems for automated warehouse fulfillment.
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
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Senior Software Engineer
Denver, Colorado, United States
$143k-$183k/yr HybridFull Time
DAT Freight & Analytics
DAT Freight & Analytics: Software platform for freight matching and logistics data analytics.
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
Performance Drone Works
Performance Drone Works: Manufacturer of autonomous, tactical unmanned aerial systems for defense.
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 Security Engineer
Austin or Chicago or Dallas or Denver or Los Angeles or San Diego or San Francisco
$131k-$169k/yr HybridFull Time
Karbon
Karbon: Practice management software for accounting firms.
4+ YOESenior Security Engineer with 4+ years in security or development; strong communication; cloud and AI experience; hands-on with security tooling and threat modelling.
DotnetCSharp, JavaScript, React, EmberJS, Python, Azure, AWS, GCP, PowerShell, Bash, GitHub Copilot, Burp Suite
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Senior AI Platform Engineer
Boulder or United States
$175k-$215k/yr HybridFull Time
Campminder
Campminder: Cloud-based management software for the summer camp industry.
Senior AI Platform Engineer to build AI enablement tools, collaborate with executives and product, and drive AI tooling and observability across Campminder.
RAG, prompt engineering, context engineering, LLM evals, Claude Code, Cursor, MCPs, custom agents, skills/plugins, agentic coding tools
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Senior Java Engineer - Cloud Platform
Denver, Colorado, United States
$170k-$200k/yr HybridFull Time
FusionAuth
FusionAuth: Provides authentication and user management software for developers.
10+ YOE10+ years software development; 6+ years in ops/platform; strong Java; AWS; Kubernetes; Terraform; Linux; SQL; cloud and backend architecture.
Java, AWS, Kubernetes, Terraform, Linux, SQL, Git
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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
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Senior C#/.Net Developer
Lone Tree, Colorado, United States
$150k-$170k/yr OnsiteFull Time
Charles Schwab
Charles SchwabNYSE: SCHW: Financial services, brokerage, and investment management provider.
7+ YOE7+ years in software development with .NET, C#, DDD, REST APIs, SQL Server, CI/CD, and leadership.
.NET, C#, ASP.NET, REST API, SQL Server, GitHub, CI/CD, IIS, Windows Services, DDD, SOLID, Unit Testing, Integration Testing
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Senior Systems Engineer
Colorado Springs or Albuquerque or Laurel
$125k-$150k/yr RemoteFull Time
Auria
Auria: Engineering and software solutions for space and defense missions.
2+ YOETop Secret/SCI eligible, U.S. citizenship, BS in Engineering, 2+ years in aerospace software, Python and C++, experience in flight software and satellite missions.
Python, C++, Docker, Kubernetes, ROS, NATS, grpc, Ansys STK
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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
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Senior Software Engineer
Denver, Colorado, United States
$100k-$144k/yr RemoteFull Time
Resource Innovations
Resource Innovations: Provides clean energy services and software solutions for utilities.
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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1mo
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Senior Software Engineer
Denver, Colorado, United States
$130k-$150k/yr HybridFull Time
OrthoFi
OrthoFi: Software for orthodontic practice operations and patient financing.
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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Application Developer - Senior
Colorado Springs or Reston
$60k-$180k/yr HybridFull Time
Aleut Federal
Aleut Federal: Provides infrastructure and technical services to federal government agencies.
7+ YOE7+ years software development, 5+ years ServiceNow, Java knowledge, 4+ years development lead experience, integration/API development, IT-II/Tier 3/NACLC/ANACI eligibility or current Tier 3 investigation; relevant ServiceNow and agile certifications preferred.
ServiceNow, Java
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Senior Engineer
Denver or Thornton
OnsiteFull Time
Murphy Company
Murphy Company: Mechanical contractor focused on design-build mechanical systems and projects in Denver and surrounding markets.
10+ YOETen+ years mechanical/plumbing engineering; design-build experience; leadership ability; strong technical knowledge in HVAC, piping, energy modeling; P.E. licensure; BS in Mechanical Engineering.
REVIT, AutoCAD, Bluebeam, Trane Trace 700/3D, Energy Modeling
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Senior Engineer
Houston or Wheat Ridge
$125k-$161k/yr RemoteFull Time
Terracon
Terracon: Provides geotechnical, environmental, construction, and facilities engineering services.
8+ YOEBachelor's degree in civil engineering; 8-11 years experience; PE; DOT transportation experience; valid driver's license. Preferred: Master's in Geotechnical Engineering; 10+ years.
Finite Element Software, Geotechnical Software
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Senior Software Engineer (Tech Lead), Customer Domain Engineering
San Francisco or Denver or New York City
$209k-$240k/yr HybridFull Time
Forge Global
Forge GlobalNYSE: FRGE: Marketplace for trading private shares and pre-IPO stock.
8+ YOE8+ years of software engineering experience; API development with C#/.NET; event-driven systems; CQRS/Event Sourcing; strong SQL; fintech experience preferred; team leadership experience.
C#, .NET, Kafka, RabbitMQ, SQL
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2w
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Senior ServiceNOW Developer
Lakewood or Phoenix or Folsom or Billings
$135k-$155k/yr OnsiteFull Time
KeyLogic
KeyLogic: Provides technology and mission management solutions to government agencies.
US citizen with bachelor’s in CS/IT/engineering, ServiceNow development experience, JavaScript and integration skills, ability to obtain Public Trust, strong communication and problem-solving.
ServiceNow, JavaScript, Flow Designer, IntegrationHub, REST, SOAP, MID Server, OAuth, JWT, Now Assist, ServiceNow SDK
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2d
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Application Developer, Senior
Washington or Orlando or Fort Meade or Minneapolis or Huntsville or Dayton or San Diego or Fort Sheridan or Devens or Norfolk or Millington or Phoenix or Fort Worth or Peterson Air Force Base or Belle Chasse or Buckley Air Force Base or San Antonio or MacDill Air Force Base or Tampa or Quantico or Lackland Air Force Base or Yorktown or Offutt Air Force Base or Rome or Reston or Camp Parks
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
6+ YOERequires 6+ years of application or software development, Node.js with TypeScript, SQL, PostgreSQL, Redis, Elasticsearch, automated testing, TS/SCI clearance with polygraph, and a bachelor's degree.
Node.js, TypeScript, SQL, PostgreSQL, Redis, Elasticsearch, JSON, Java, JavaScript, Microsoft SharePoint, XML, VBAs, Oracle, MongoDB, Solr, OpenAI
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