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Senior React Frontend Developer Jobs in Colorado

Litera

Senior Software Engineer

Denver, CO · Hybrid

$130K - $175K/yr

NET backend, TypeScript/React frontend, and cloud-based services. * Design scalable APIs, services ... Experience with Azure or another major cloud platform, along with modern CI/CD and DevOps practices.

Litera

Senior Software Engineer

Denver, CO · On-site

$130K - $175K/yr

NET backend, TypeScript/React frontend, and cloud-based services. * Design scalable APIs, services ... Experience with Azure or another major cloud platform, along with modern CI/CD and DevOps practices.

Xe Careers

Principal Frontend Engineer

Denver, CO · On-site

$108K - $168K/yr

About This Role We're looking for a senior frontend engineer to help build and shape the user ... If you're proficient in Vue 3+, that's ideal, but we're equally interested in strong React or ...

Atom Computing

Senior Software Engineer

Boulder, CO

$140K - $185K/yr

Atom Computing is looking for a Senior Software Engineer to build the software platform that ... Experience building TypeScript/React frontend components. * Experience with containerization ...

Atom Computing

Senior Software Engineer

Boulder, CO

$140K - $185K/yr

Atom Computing is looking for a Senior Software Engineer to build the software platform that ... Experience building TypeScript/React frontend components. * Experience with containerization ...

Loft Orbital

Frontend Engineer

Golden, CO · On-site

As a Frontend Engineer, you will work on refining the UI of Cockpit, the satellite operations ... Required : • Strong proficiency in TypeScript / HTML / CSS • Experience with Vue or React • ...

KORE1 Technologies

Principal Frontend Engineer

Denver, CO · On-site

$110K - $165K/yr

Experience with Vue 3+ is preferred, but we're also interested in strong React or Angular engineers ... Design scalable frontend solutions using clean architecture and coding practices. * Conduct ...

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Senior React Frontend Developer information

What does a senior React frontend developer do?

A Senior React Frontend Developer is responsible for designing, developing, and maintaining user interfaces using the React JavaScript library. They work closely with designers, backend developers, and product managers to deliver seamless and efficient web applications. In addition to coding, they often mentor junior developers, ensure code quality, and implement best practices for performance and accessibility. Their expertise helps create scalable, maintainable, and visually appealing user experiences.

What are the key skills and qualifications needed to thrive as a senior React frontend developer?

To thrive as a Senior React Frontend Developer, you need advanced proficiency in JavaScript, React.js, HTML, and CSS, typically backed by a degree in computer science or related experience. Familiarity with tools like Redux, TypeScript, RESTful APIs, version control systems (e.g., Git), and modern build tools (Webpack, Babel) is essential. Strong problem-solving skills, effective communication, and the ability to mentor junior developers are standout soft skills in this role. These skills and qualities ensure the delivery of scalable, maintainable web applications and foster productive collaboration within development teams.

What are some common challenges faced by senior React frontend developers when working on large-scale applications?

Senior React Frontend Developers often encounter challenges such as managing complex state across large applications, ensuring optimal performance, and maintaining code consistency with multiple contributors. They are also responsible for integrating new features without disrupting existing functionality and keeping up with evolving best practices in the React ecosystem. Effective collaboration with backend teams and UX designers is essential to deliver seamless user experiences and scalable solutions.

What is the difference between Senior React Frontend Developer vs Frontend Developer?

AspectSenior React Frontend DeveloperFrontend Developer
Required SkillsAdvanced React, JavaScript, TypeScript, leadershipBasic to intermediate React, HTML, CSS
Experience5+ years, project leadership1-3 years, entry to mid-level
Work EnvironmentCollaborates on complex projects, mentors juniorsDevelops UI components, supports team
CertificationsRelevant certifications (e.g., React certifications)Optional, beginner certifications

The main difference between a Senior React Frontend Developer and a Frontend Developer lies in experience, skill level, and responsibilities. Senior developers handle complex projects, mentor team members, and possess advanced React expertise, while frontend developers focus on building UI components with less experience and responsibility.

What are the most commonly searched types of React Frontend Developer jobs in Colorado? The most popular types of React Frontend Developer jobs in Colorado are:
What are popular job titles related to Senior React Frontend Developer jobs in Colorado? For Senior React Frontend Developer jobs in Colorado, the most frequently searched job titles are:
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Senior React Frontend Developer jobs near you

Full-Stack Product Engineer TA (Next.js / React / Vercel)

Deal Scale

Denver, CO • On-site

Contractor

Re-posted 2 days ago

Job description


Pilot Spring is looking for a sharp, fast-moving Full-Stack Product Engineer TA to support founders during a live, in-person 3-day build sprint.
This role is ideal for someone who is strong in Next.js, React, frontend systems, API integrations, auth, and product debugging - and who can help founders move from messy ideas to real working MVPs quickly.
You will work directly with founders, operators, and builders to unblock product issues in real time, help shape working product flows, and keep teams moving toward a launch-ready MVP or profitable pilot.
This is not a passive teaching role. This is a live execution role.
Key responsibilities include:
  • Supporting founders live during a 3-day build sprint
  • Helping participants implement and debug Next.js / React product flows
  • Unblocking frontend issues including forms, UI state, auth flows, API integrations, routing, dashboard pages, and onboarding flows
  • Translating rough founder ideas into practical product decisions
  • Pair-programming when needed
  • Helping participants deploy and troubleshoot frontend environments on Vercel
  • Collaborating with the backend / AI TA to resolve cross-stack issues
  • Keeping participants focused on what actually needs to be built for a usable first version
  • Reducing overbuilding and helping teams cut non-essential scope
  • Providing calm, fast support to technical and non-technical founders alike

Requirements
Requirements
  • Strong experience with React
  • Strong experience with Next.js
  • Strong experience with modern frontend patterns and component architecture
  • Comfortable working with Tailwind CSS
  • Experience integrating frontend apps with backend APIs
  • Comfortable debugging auth/session issues, API response issues, state bugs, broken form flows, and deployment issues
  • Comfortable deploying and debugging on Vercel
  • Working knowledge of product-oriented full-stack workflows
  • Able to move quickly without needing heavy direction

Strongly preferred:
  • Experience supporting startup MVP builds
  • Experience working with non-technical founders
  • Experience with Stripe, OAuth, webhooks, and Supabase auth/data flows
  • Familiarity with Python backend integration patterns
  • Familiarity with fast-paced pair-programming or live build environments
  • Experience cleaning up messy product ideas into shippable flows

Benefits
Benefits
  • High-impact contract role in a live founder sprint
  • Work directly with startup founders building real MVPs
  • Fast-paced, collaborative environment
  • Opportunity for repeat event work and ongoing involvement
  • Strong network exposure across founders, operators, and technical builders
  • Meaningful hands-on role shaping products from idea to working demo

Apply