133 full stack development engineer jobs at 87 companies in Thornton, CO

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Full-Stack Developer
Broomfield, Colorado, United States
HybridFull Time
Sonepar
Sonepar: Global distributor of electrical products and B2B solutions.
4+ YOEBachelor's in Computer Science or related, 4+ years full-stack development, proficiency with .NET, C#, ASP.NET MVC, REST/APIs, JavaScript/TypeScript, and Microsoft SQL Server.
.NET, .NET Framework, ASP.NET, MVC, C#, Microsoft Visual Studio, Microsoft SQL Server, XML, JSON, TypeScript, JavaScript, jQuery, HTML, CSS, REST, Web API
1mo
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Full Stack Developer
Wheat Ridge, Colorado, United States
OnsiteFull Time
Excel Driver Services
Excel Driver Services: Provides commercial driver license training and safety certification.
Experience building full-stack web and mobile apps using C#/.NET, JavaScript, React Native, HTML/CSS, SQL and Git/GitHub; strong communication, documentation, and collaborative skills.
C#/.NET, JavaScript, HTML, CSS, SQL, React Native, Git, GitHub, Unity
3mo
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Full Stack Engineer, Senior
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yr HybridFull Time
Ascendiun
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
React, Vue, Angular, JavaScript, TypeScript, .NET, Java, Node.js, Python, MS SQL Server, Oracle, NoSQL, REST, Azure, AWS, GCP, Docker, Kubernetes, Ansible, Bicep, ARM, Terraform, GitHub, GitLab, Bitbucket, Git
1mo
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Full Stack Software Developer/Engineer
Sterling or Denver
$69k-$142k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
3+ YOETS/SCI with CI poly required (or willing to take), Bachelor’s in STEM or equivalent, 3+ years experience, Java or front-end experience, Linux, Agile, full-stack development, and willingness to obtain Security+.
Java 17, Spring Boot, Spring Framework, REST, JavaScript, TypeScript, Vue 3, Bootstrap, Mockito, JUnit, Cypress, PostGres, MySQL, Redis, AWS DynamoDB, AWS EC2, RDS, S3, SNS/SQS, Lamda, Git, Jira, Confluence, Gitlab CI/CD, SonarQube, Fortify, Docker, Kubernetes, Linux, GitLab, Amazon Web Services
2mo
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Full Stack Software Engineer
New York City or Denver
$125k-$160k/yr HybridFull Time
Gen II Fund Services
Gen II Fund Services: Global fund administration for private capital asset managers.
3+ YOE3+ years full stack development with Java, Spring, TypeScript/React; SQL Server; CI/CD; microservices; Git; agile; strong communication.
Java, Spring Boot, Spring Security, Spring Data, TypeScript, React, SQL Server, Azure DevOps, Docker, Kubernetes, JUnit, Mockito, Jest, Playwright, Claude Code, Cursor, LangChain, LangGraph, Sage Intacct
1mo
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Advanced Full Stack Developer
Centennial or Tucson or Colorado Springs
$133k-$178k/yr OnsiteFull Time
Rincon Research Corporation
Rincon Research Corporation: Designs high-performance digital signal processing solutions for defense missions
8+ YOEDegree in Computer Engineering or Computer Science; 8+ years full-stack experience; proficiency in C++, Python on Linux, JavaScript/CSS/HTML, RESTful APIs, SQL and relational data modeling; experience with DevOps/Cloud (GitLab, CI/CD, Docker, Kubernetes, pip); ability to obtain/hold TS/SCI and U.S. citizenship required.
C++, Python, Linux, JavaScript, CSS, HTML, Vue, React, Angular, RESTful APIs, SQL, GitLab, CI/CD, Docker, Kubernetes, pip
1mo
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Lead Full Stack Engineer
Denver, Colorado, United States
$130k-$155k/yr OnsiteFull Time
AIR Communities
AIR Communities: Owns and operates residential apartment communities across the US.
10+ YOE10+ years full‑stack experience with C#/.NET, React.js, JavaScript/TypeScript, RESTful APIs, relational databases; experience with cloud platforms, CI/CD, security best practices, and technical leadership.
.NET, React.js, JavaScript, TypeScript, ASP.NET Core, Entity Framework, SQL Server, Postgres, Azure Service Fabric, Azure, AWS, GCP, Git, CI/CD, SAST, SCA, DAST
1mo
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Full Stack Software Developer/Engineer
Sterling or Denver
$69k-$142k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
3+ YOETS/SCI with CI poly required (or willing to take CI poly); Bachelor's in STEM or related experience with 3+ years; experience with Java or web front end, Linux, full-stack development, Agile/Kanban; willingness to obtain Security+.
Java 17, Spring Boot, Spring Framework, REST, JavaScript, TypeScript, Vue 3, Bootstrap, Mockito, JUnit, Cypress, PostGres, MySQL, Redis, AWS DynamoDB, AWS EC2, RDS, S3, SNS/SQS, Lamda, Git, Jira, Confluence, Gitlab CI/CD, SonarQube, Fortify, Docker, Kubernetes
1mo
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Full Stack Engineer
Denver, Colorado, United States
$120k-$145k/yr HybridFull Time
Sensor Tower
Sensor Tower: Provides digital market intelligence and mobile app analytics software.
Experienced C# developer with SQL skills; familiarity with AWS, SQL Server, Redshift, Mongo, EntityFramework, ASP.NET Core; comfortable with JavaScript/React and DevOps practices; GitHub and Jira experience; on-call with Pagerduty possible.
SQL, C#, js, Ruby, Javascript, React, ASP.NET Core, AWS, SQL Server, Redshift, Mongo, EntityFramework, Github, Jira, Pagerduty
1w
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Full Stack Developer
Aurora or Sarasota or Sterling
$130k-$200k/yr OnsiteFull Time
GRVTY
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
Must hold TS/SCI with CI poly (or be willing to obtain), Bachelor’s in STEM or equivalent experience, experienced with AWS, Java, frontend frameworks, Spring, DevSecOps, and Agile; available to work in-person full time.
Amazon Web Services (AWS), Java, Vue, Bootstrap, Spring Framework, Mockito, JUnit, Cypress, Jest, PostgreSQL, MySQL, Redis, Git, GitLab, Bitbucket, Jira, Confluence, Jenkins, SonarQube, Fortify, Kubernetes
4h
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Full Stack Engineer
United States or San Francisco or New York City or Los Angeles or Boston or Seattle or Washington or San Diego or Chicago or Austin or Dallas or Portland or Denver or Philadelphia or Baltimore or Sacramento or Minneapolis or Miami or Atlanta or Phoenix or Orlando or Las Vegas or Salt Lake City or Madison or Birmingham or San Antonio or Spokane or Toronto
$115k-$195k/yr HybridFull Time
Roo
Roo: Digital marketplace connecting veterinary professionals with animal hospital shifts.
2+ YOERequires 2–4 years of software engineering experience, strong TypeScript/JavaScript, SQL, Node, Express, React, AWS, relational databases, teamwork, and communication skills.
TypeScript, JavaScript, React Native, Node, Express, React, AWS, SQL, relational databases, Redux, Next.js, Jest, Cypress
1mo
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Full Stack Engineer
Arvada or Denver
$120k-$180k/yr HybridFull Time
Quindar
Quindar: Cloud-native software for automated satellite mission operations.
4+ YOEActive Secret clearance, 4+ years engineering experience, strong Python and backend skills, AWS/cloud experience, Docker/Kubernetes, Terraform, Git; Bachelor's in CS or related field or equivalent experience.
Python, AWS, EC2, S3, RDS, Fargate, EKS, ECS, CloudWatch, EFS/EBS, React, TypeScript, GraphQL, Docker, Kubernetes, Terraform, CI/CD pipelines, Git, GitHub, GitLab, Next.js, Refine, Vite, GitHub Actions
1mo
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Senior Full Stack Product Engineer
Denver, Colorado, United States
OnsiteFull Time
LearnLux
LearnLux: Digital financial planning and advisor access for employee wellbeing.
Senior full-stack engineer with experience shipping GenAI/LLM features, React/TypeScript frontend, Node.js/Python backend, cloud (GCP/AWS/Azure), strong product judgment and cross-functional leadership.
React, TypeScript, Node.js, Python, Google Cloud Platform, GCP, AWS, Azure
2mo
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Full Stack Software Engineer
New York or Denver
$125k-$160k/yr HybridFull Time
Gen II Fund Services
Gen II Fund Services: Provides fund administration services to private capital asset managers
3+ YOE3+ years in full stack development; strong Java and frontend skills; experience with AI tooling and cloud/DevOps; financial tech exposure preferred.
Java, Spring Framework, TypeScript, React, Azure DevOps, SQL Server, Docker, Kubernetes, Git, JUnit, Mockito, Jest, Playwright, Claude Code, Cursor, LangChain, LangGraph, Python, Sage Intacct
1w
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Full Stack Developer
Aurora, Colorado, United States
OnsiteFull Time
Northstrat
Northstrat: Provides IT and engineering solutions for US government agencies.
Requires TS/SCI with CI poly (or willingness to take), Bachelor's in STEM or related experience, 100% onsite availability, Linux command-line proficiency, and familiarity with modern web and DevOps toolchains.
Java, Python, Spring Boot, Vue, Cypress, DynamoDB, AWS, S3, AWS Lambda, Docker, Kubernetes, Git, GitLab, Jira, Confluence, SonarQube, Linux
3w
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Applications Engineer III - Full Stack Developer
Louisville, Colorado, United States
$95k-$166k/yr HybridFull Time
Arcfield
Arcfield: Systems engineering and mission support for defense and space.
5+ YOEBachelor's in engineering/computation plus 5+ years (or MS/PhD equivalents), strong experience with containerized and desktop app development, git and CI/CD, C/C++/Python/Rust/Bash, and familiarity with communication protocols.
C, C++, Python, Rust, Bash, Git, Docker, Docker Compose, Podman, Kubernetes, CI/CD, JavaScript, HTML, React, AWS, Azure, Google Cloud Platform (GCP)
2mo
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Full Stack Software Engineer
New York or Denver
HybridFull Time
Gen II Fund Services
Gen II Fund Services: Provides fund administration services for private capital managers.
3+ YOE3+ years full-stack development with Java, Spring, TypeScript/React; SQL Server; CI/CD; Azure DevOps; microservices; REST APIs; Git; Docker/Kubernetes; AI tool experience.
Java, Spring Framework, Spring Boot, Spring Security, Spring Data, TypeScript, React, SQL Server, Azure DevOps, Docker, Kubernetes, Git, JUnit, Mockito, Jest, Playwright, Claude Code, Cursor
1mo
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Full Stack Engineer Manager
New York or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
8+ YOEBachelor's degree or equivalent experience; 8+ years Python; 2+ years platform engineering; 1+ year with two of Linux admin, Docker/Kubernetes, modern JavaScript framework or DevOps; 1+ year Terraform; strong communication and problem-solving.
Python, Linux, Docker, Kubernetes, React, NodeJS, Terraform, EC2, Lambda, EKS, Fargate
1mo
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Senior Full Stack AI Engineer
Denver, Colorado, United States
HybridFull Time
Ombud
Ombud: AI-powered sales automation and response management software
6+ YOE6+ years full-stack experience; deep Python; JavaScript/TypeScript and React competence; production LLM integration experience (Anthropic/OpenAI/Google); RAG/embeddings/vector DB knowledge; system design and end-to-end production ownership.
LlamaIndex, Qdrant, Anthropic Claude, OpenAI, Google, Python, JavaScript, TypeScript, React, Node.js, PostgreSQL, Elasticsearch, LangChain, LangGraph, Langfuse, Braintrust, Pinecone, Weaviate, Claude Code
2mo
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Full Stack Software Engineer - AI Native
Westminster, Colorado, United States
$145k-$199k/yr HybridFull Time
Trimble
TrimbleNASDAQ: TRMB: Provides hardware, software, and services for construction and geospatial industries.
3+ YOE3+ years professional software engineering experience, full-stack proficiency (Python, React), cloud experience (AWS or Microsoft Azure), AI-native tooling experience (Cursor, GitHub Copilot, Gemini CLI), automated testing and CI/CD familiarity.
Cursor, GitHub Copilot, Gemini CLI, Python, React, AWS, Microsoft Azure