145 software engineer full stack developer jobs at 90 companies in Frederick, CO
3mo
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Full Stack Software Developer
Charlotte or Denver or New York
$92k-$136k/yr HybridFull Time
3+ YOE3+ years software development experience; strong Python, TypeScript/React, AWS and Terraform; PostgreSQL and Git experience; microservices and unit testing experience; Bachelor's in CS preferred.
Python, TypeScript, React, Flask, SQLAlchemy, PostgreSQL, AWS, Terraform, Git
2mo
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Full Stack Software Developer/Engineer
Sterling or Denver
$69k-$142k/yr OnsiteFull Time
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 Developer/Engineer
Sterling or Denver
$69k-$142k/yr OnsiteFull Time
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
3mo
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Full Stack Software Engineer - AI Native
Westminster, Colorado, United States
$145k-$199k/yr HybridFull Time
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
1w
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Senior Software Engineer, Full-Stack
Broomfield, Colorado, United States
HybridFull Time
5+ YOERequires 5+ years of software engineering experience, Ruby on Rails and JavaScript expertise, RESTful API and relational database experience, architectural participation, mentoring, agile delivery, and AI-assisted development familiarity.
Ruby on Rails, ActiveRecord, JavaScript, MySQL, GitHub Copilot, Cursor, Claude Code, Go (Golang), Vue.js, Node.js, Anthropic, OpenAI, AWS, OpenSearch, Redis, Kafka, Docker, CI/CD
1mo
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Full Stack Software Engineer
Denver or United States
RemoteFull Time
3+ YOEMinimum 3 years modern web development; strong PHP (Laravel/Symfony) and OOP PHP7+; JavaScript (ES7+), TypeScript, React18+, Redux; unit/integration testing (PHPUnit, Jest); API development; Git and Docker experience.
Laravel, Symfony, PHP, JavaScript, TypeScript, React 18, Redux, PHPUnit, Jest, Git, Docker, Babel, Webpack, ESLint, Kubernetes, TestCafe, Playwright, MySQL, HTML5, CSS3
2w
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Senior Full Stack Software Engineer - Application Engineering
Bothell or Boulder or College Park or Toronto
$146k-$209k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years full-stack development and API framework experience; JavaScript, Python, or Golang; UI visualization; scientific or quantum computing experience.
JavaScript, Python, Golang, REST, GraphQL, gRPC, three.js, D3, WebGL, Agentic AI, numpy, pandas, C, C++, AWS, GCP
2w
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Senior Full Stack Developer
Denver, Colorado, United States
$100k-$130k/yr HybridFull Time
Experienced full-stack developer skilled in scalable applications, APIs, data integrations, cloud-native environments, testing, CI/CD, Agile Scrum, technical architecture, and mentoring engineers.
CI/CD, Agile Scrum
2w
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Full-Stack Software Engineer (Associate/Experienced)
Chantilly or Aurora or Mesa
$99k-$183k/yr OnsiteFull Time
1+ YOEBachelor's degree in engineering, active Top Secret clearance with SCI eligibility, ability to obtain a CI polygraph, and 1+ year of software design, development, and object-oriented programming experience.
GitHub, IBM Rational Team Concert, Java, HTML 5, CSS 3, JavaScript, Firebug, REACT, jQuery, jQuery UI, Open Layers, Spring Framework, Hibernate, RDBMS, MongoDB, XML, SOAP, REST, WSDL, Ivy, Maven, Gradle, AWS, Jenkins, RMI, TDD, SAFe
2w
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Full-Stack Software Engineer (Associate/Experienced)
Chantilly or Aurora or Mesa
$99k-$183k/yr OnsiteFull Time
1+ YOEBachelor's degree in engineering, active Top Secret clearance with SCI eligibility, ability to obtain CI polygraph, and 1+ year of software, object-oriented programming, and complex systems development experience.
GitHub, IBM Rational Team Concert, Java, HTML5, CSS3, JavaScript, Firebug, React, jQuery, jQuery UI, OpenLayers, Spring Framework, Hibernate, RDBMS, MongoDB, XML, SOAP, REST, WSDL, Ivy, Maven, Gradle, AWS, Jenkins, TDD, Agile, SAFe
1mo
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Full Stack Developer
Wheat Ridge, Colorado, United States
OnsiteFull Time
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
6d
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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 RemoteFull Time
2+ YOERequires 2–4 years of software engineering experience, TypeScript/JavaScript, mobile development, Node, Express, React, AWS, relational databases, and SQL. Computer Science degree preferred.
TypeScript, JavaScript, React Native, Node, Express, React, AWS, Jest, Cypress, SQL, CI/CD
2d
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Senior Software Engineer, Full Stack
Greenwood Village or Denver or United States or Singapore
$121k-$163k/yr HybridFull Time
5+ YOEBachelor's degree preferred; 5 years of front-end and back-end development, 2 years of Agile experience, and 2 years with React, TypeScript, Node.js, and cloud platforms required.
AWS, React, HTML/CSS, Node.js, SQL, Python, Docker, Kubernetes, Windows PowerShell, Software Development Lifecycle (SDLC), CI/CD, Git, TypeScript, Microsoft Azure, Google Cloud, Amazon SageMaker, TensorFlow, Scikit-learn
3w
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Senior Full-Stack Engineer
Montreal or Boulder or Calgary
$160k-$170k/yr HybridFull Time
7+ YOERequires 7+ years of full-stack development, production experience across frontend and backend, deep Python/FastAPI expertise, Angular or React, TypeScript, SQL, Redis, and strong communication skills.
Angular, FastAPI, Python, Pydantic, PostgreSQL, SQL, Redis, React, Next.js, Refine, TypeScript, RxJS, CockroachDB, Temporal, Turborepo, Supabase, Vercel, GitHub Actions
1mo
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Full Stack Software Engineer
San Francisco or Denver
$130k-$170k/yr OnsiteFull Time
2+ YOE2+ years building production software; full-stack fluency with TypeScript, React, Node, GraphQL, Go or Python; AI experience preferred; strong communication and metrics-driven mindset; able to work in-person 5 days/week.
TypeScript, React, Node, GraphQL, Apollo, Go, Python, AWS, ECS, Beanstalk, Salesforce
1mo
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Senior Software Engineer- Full Stack
Centennial, Colorado, United States
$111k-$160k/yr HybridFull Time
7+ YOE7+ years full-stack software engineering experience with Java/Spring Boot, React/TypeScript, deep SQL Server expertise, testing discipline, and legacy-system migration experience.
Java, Spring Boot, pnpm, React, TypeScript, Vite, MUI, TanStack Query, Zod, ColdFusion, Docker, GitLab CI, AWS, S3, DynamoDB, KMS, Kubernetes, JUnit, WireMock, Vitest, Playwright, Selenium, SQL Server, Flyway, OpenAPI, RabbitMQ, Kafka
2w
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Full Stack Engineer Intern
Denver, Colorado, United States
$600-$800/mo RemoteInternship
Currently pursuing a computer science, software engineering, or related degree; familiarity with React and Node.js, Python, or similar; understanding of REST APIs, databases, Git, and software development practices.
React, Node.js, Python, REST APIs, Git
1mo
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Full-Stack Developer II
Broomfield, Colorado, United States
HybridFull Time
4+ YOEBachelor's degree and minimum 4 years full-stack development experience; strong .NET (ASP.NET/MVC), C#, Visual Studio, Microsoft SQL Server, REST/Web API, JavaScript/TypeScript, HTML/CSS skills; U.S. work authorization required.
.NET, ASP, MVC, XML, JSON, TypeScript, JavaScript, jQuery, Visual Studio, Microsoft SQL Server, C#, REST, Web API, HTML, CSS
1d
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Senior Software Engineer, Full Stack
Boulder, Colorado, United States
$174k-$252k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent practical experience; 5 years in object-oriented programming, JavaScript or TypeScript, and full-stack/API development; 3 years testing software; 1 year in design and architecture.
Java, C++, Python, JavaScript, TypeScript
3w
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Software engineer, full-stack
San Francisco or New York or Denver or London or Paris or Berlin or Sydney or Mexico City or United States or United Kingdom
$167k-$210k/yr HybridFull Time
4+ YOE4+ years of software engineering experience, preferably in Node.js web development or data pipelines; experience building scalable, user-focused software and willingness to work in an office four days weekly.
React, TypeScript, CSS, Node.js