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Senior Frontend Engineer
Denver, Colorado, United States
$160k-$185k/yr OnsiteFull Time
5+ YOE5+ years building production web apps; deep React expertise; strong HTML/CSS, accessibility, responsive design; experience with component libraries/design systems; proven use of AI tools; familiarity with backend (Java/Go) and AWS is beneficial.
React, Figma, Claude Design, Java, Go, AWS
1mo
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Senior Frontend Software Developer
Aurora, Colorado, United States
$87k-$165k/yr OnsiteFull Time
5+ YOEBachelor's in STEM and 5+ years relevant experience; proficiency with JavaScript and Angular; UI development experience; ability to obtain and maintain TS/SCI clearance; experience with Java or C++ preferred; familiarity with Confluence, Eclipse, Jira, and Git.
JavaScript, Angular, Java, C++, Confluence, Eclipse, Jira, Git
3mo
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Principal Software Engineer - Frontend, Developer Experience
San Francisco or Phoenix or Denver or Austin or Jacksonville or Bridgeport or Boston or New York City or Atlanta
RemoteFull Time
5+ YOEDevelop frontend UIs with TypeScript/React; collaborate with product/design; contribute to architecture and testing; mentor colleagues.
TypeScript, React, GraphQL, Node.js
1w
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Senior Front-End Engineer
Longmont, Colorado, United States
$145k-$165k/yr HybridFull Time
5+ YOE5+ years front-end experience with ownership-level responsibilities; deep React, TypeScript, Node.js, Next.js, CI/CD, performance, accessibility, and analytics experience; AI-fluent and strong mentorship skills.
React, TypeScript, Node.js, Tailwind, AWS Amplify, Vercel, Next.js, Amplitude, Segment, GA4, GitHub, GraphQL, Claude Code, Copilot, Cursor
1mo
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Senior Software Developer, Front-end
Denver or Sterling
$99k-$207k/yr OnsiteFull Time
7+ YOEActive TS/SCI clearance, 7+ years software development, proficiency in JavaScript and TypeScript, Linux experience, Security+ (or willingness), BS in Computer Science or coding bootcamp, leadership and system design skills.
JavaScript, TypeScript, Linux, Svelte, WebSocket, Kubernetes, RESTful API
2mo
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Staff Software Engineer, Front End
Denver or Long Beach
$185k-$320k/yr OnsiteFull Time
12+ YOELead frontend initiatives, define roadmaps, and mentor engineers in a high-impact space-focused platform.
HTML, CSS, JavaScript, TypeScript, React, GraphQL, REST, WebSockets, gRPC, WebGL, Three.js, Design Systems, Testing Frameworks
3mo
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Lead Sr Staff Software Engineer - Front End Fundamentals
Bellevue or Boulder or Chicago or Denver or Irvine or Los Angeles or New York or San Francisco or San Jose or Seattle or Ventura
$166k-$305k/yr HybridFull Time
13+ YOE1+ MgmtSenior frontend leadership role requiring 13+ years of software development, 1+ year of people management, strong TypeScript/JavaScript or other languages, cloud and distributed systems experience, and mentoring.
TypeScript, JavaScript, C#, Java, C, C++, Python, SQL, Scala
1mo
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Sr Architect - Front End
Denver, Colorado, United States
$110k-$162k/yr HybridFull Time
7+ YOE7+ years building production software with 3+ years in architecture-focused work; strong TypeScript experience (Vue/React), CS fundamentals, front-end architecture, AWS and CI/CD (GitHub Actions), payments/regulatory knowledge, daily use of agentic coding tools, and strong communication.
TypeScript, Vue, React, AWS, GitHub Actions, Copilot, Cursor, Claude Code, C#, .NET, TOGAF, SAFe
1w
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Senior Full Stack Developer (Front-End Specialist)
Denver, Colorado, United States
$129k-$161k/yr RemoteFull Time
5+ YOE5+ years building enterprise applications; deep Angular frontend expertise; strong Java/Spring Boot and SQL skills; experience with containerization, cloud (AWS), CI/CD, and collaborating with UX; Bachelor's degree or equivalent.
Angular 17, Java 17, Spring Boot, Spring Web, Spring Data, Spring Security, PostgreSQL, REST APIs, Message Queues, Docker, Kubernetes, CI/CD, Figma, AWS, SQL
1mo
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Software Engineer II – Portal (Front End)
Atlanta or Denver or Cincinnati or Salt Lake City
$92k-$139k/yr HybridFull Time
6+ YOE6+ years software development experience; 3+ years Angular front-end; 2+ years ExpressJS; experience with Node.js, TypeScript, relational databases, REST APIs and AWS; strong communication and SDLC knowledge.
Node.js, TypeScript, Angular, Playwright, MariaDB, AWS EC2, AWS S3, API Gateway, Git, GitHub, CI, JIRA, Confluence, Qualys, Jenkins, ExpressJS, Postgres, REST APIs
1mo
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Frontend Full Stack Staff Software Engineer, AI Platform Experiences
New York City or Seattle or San Francisco or Denver or Los Angeles or San Jose
$163k-$247k/yr HybridFull Time
8+ YOE8+ years software development experience (4+ building scalable platforms), strong front-end skills, experience with Ruby on Rails, React, GraphQL, platform/AI experience preferred, mentoring and cross-functional collaboration skills.
Ruby on Rails, React, GraphQL
2mo
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Senior Software Engineer, Growth & Platform
Denver, Colorado, United States
$184k-$223k/yr HybridFull Time
5+ YOE5-10 years shipping production systems; experience integrating multiple SaaS/data flows in regulated environments; strong data pipelines and warehouse skills (SQL, Python, dbt, ELT); frontend and backend capabilities; AI tooling expertise; based in or willing to relocate to Denver.
SQL, Python, dbt, ELT, TypeScript, React, GitHub, CI/CD
3w
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Senior Software Engineer
Denver, Colorado, United States
$160k-$185k/yr HybridFull Time
5+ YOE5+ years backend software development with .NET/.NET Core and Web/REST APIs; frontend experience with React/Vue/Angular/Svelte and Typescript; SQL experience; unit testing; AI/LLM development experience; strong communication and problem-solving.
Cognition AI, Devin, Cline, Replit, Cursor, Azure OpenAI, Anthropic, GitHub, Azure DevOps, Bit, Microsoft Visual Studio Code, Microsoft Visual Studio, SQL Azure, SQL Server, Unknit, MSTest, PostgreSQL, Docker, Azure, AWS, GCP, GitHub Copilot, Windsurf, Codex
2w
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Senior Embedded Software Engineer
Louisville, Colorado, United States
$131k-$231k/yr OnsiteFull Time
5+ YOE5+ years Rust development experience, bachelor's degree or equivalent, embedded Linux and FPGA integration experience, familiarity with C++, frontend tech, and system-level interfaces (SPI, I2C, UART, PCIe, Ethernet).
Rust, C++, JavaScript, TypeScript, React, WebAssembly (WASM), Embedded Linux
3w
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Senior Full Stack Product Engineer
Denver, Colorado, United States
OnsiteFull Time
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
1mo
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Senior Software Engineer (Full-Stack)
Denver, Colorado, United States
$160k-$210k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience with frontend depth; strong React and TypeScript skills; experience with canvas/2D rendering, WebRTC, data visualization; backend fluency in Python/Django, GraphQL, and PostgreSQL; AWS and container experience; testing and observability; participate in on-call rotations.
React, TypeScript, Django, Python, GraphQL, PostgreSQL, WebRTC, Storybook, AWS, WebSocket
2mo
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Staff Software Engineer
Denver, Colorado, United States
$150k-$180k/yr OnsiteFull Time
8+ YOESenior software engineer with 8+ years of experience, strong system design, backend and frontend skills, SQL, cloud, DevOps, and production ownership.
TypeScript/JavaScript, React, API contracts (tRPC), PostgreSQL, ClickHouse, Playwright, AWS, Terraform, Docker, CI/CD
2w
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Software Engineer - iOS/Android
Strongsville or Denver or Pittsburgh or Birmingham or Dallas
$60k-$150k/yr OnsiteFull Time
5+ YOEBachelor's degree and 5+ years software development experience, 3+ years Java enterprise development, Spring Boot, REST, microservices, SQL, Git, frontend and mobile development experience.
Java, Java 11, Java 17, Spring Boot, Spring MVC, Hibernate/JPA, REST APIs, Microservices, Maven, Gradle, Angular, React, Vue, JavaScript, TypeScript, HTML5, CSS3, Swift, Objective-C, Kotlin, Android SDK, iOS SDK, React Native, Flutter, Oracle, PostgreSQL, SQL Server, MongoDB, Azure, AWS, Docker, Kubernetes, Git, Jenkins, SonarQube, Jira, Postman, Kafka, GitHub Actions, Azure DevOps, GitLab
3mo
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HTML/CSS - Senior Developers - AI Training - Denver, USA
Denver or United States
$40/hr RemoteContract
BSc or higher in a technical field; senior frontend development experience specializing in HTML/CSS; ability to build complex responsive layouts without frameworks; deep CSS knowledge, accessibility and cross-browser expertise.
HTML5, CSS3/4, Tailwind CSS, SASS/SCSS, CSS Modules, browser DevTools, axe, Lighthouse
1d
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Sr. Optimizely Developer
Boston or Denver
HybridFull Time
5+ YOE5+ years full-stack web development with 3+ years in Optimizely; deep C#/.NET Core/MVC backend and advanced HTML5/CSS3/JS frontend skills; experience with experimentation, personalization, and CI/CD.
Optimizely CMS, Optimizely Web Experimentation, Optimizely Feature Experimentation, C#, .NET Core, MVC, HTML5, CSS3, SASS, JavaScript, ES6+, jQuery, React, Vue, Project JS, Figma, Git, Azure DevOps, GitHub Actions, GitHub Copilot, ChatGPT, Salesforce, Marketo, Adobe Commerce
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