Frontend Developer (React) Jobs in Denver, CO

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Front End Developer - React

Unison Systems, Inc

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Westminster, Colorado, USA

Contract

Unison Systems is looking for two talented and passionate web developers with 6+ years of experience to focus on enhancing our clients' web applications' UI/UX. Our client is based out of Boulder, CO and offers fully remote opportunities in a forward-thinking and positive-minded environment. React Developer Position Contract to hire Remote- Core hours Responsibilities include: - Implementing high-fidelity designs geared toward improving UI/UX - Building or enhancing reusable components - Implem
Posted 20 days ago | Updated 11 hours ago

Software Developer - Front End

Unison Systems, Inc

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Englewood, Colorado, USA

Contract

Our client is looking for Web Application Developers with React, Redux, CSS, HTML. Our client creates products for video streaming on a variety of devices and works with the latest versions of React and related tools to deliver some of the fastest and most utilized applications in industry. Culture is based on collaboration and working closely in teams to promote an inclusive environment with idea sharing. Role & Responsibilities: Leverage your 3+ years of experience to provide your team with in
Posted 8 days ago | Updated 11 hours ago

React Developer

Collabera LLC

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Remote or Houston, Texas, USA

Full-time

Title: React/Frontend Developer Location: remote (can sit anywhere in the US)!! Type of opening: Contract - 6 months with potential extensions Day to day: Develop and maintain user interfaces using React.js and its core principles. Write clean, well-documented, and efficient code. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the technical feasibility of UI/UX designs. Requirements: React (DO NOT WANT React Native) Vitest Jest Web Development Experience
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Posted 10 days ago | Updated 10 hours ago

Front End GUI Developer / Software Engineer

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Front End GUI Developer / Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a creative and detail-oriented Front End GUI Developer / Software Engineer to join our innovative team. In this role, you will design and develop intuitive, responsive user interfaces that deliver seamless user experiences. Collaborating closely with designers, backend developers, and stakeholders, you will transf
Posted 60+ days ago | Updated 1 hour ago

React.js / Node.js Developer

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

React.js / Node.js Developer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a talented and dynamic **React.js / Node.js Developer** to join our team and contribute to the design and development of high-performance web applications. In this role, you will leverage your expertise in React.js for building intuitive front-end interfaces and Node.js for creating robust back-end services. You will work cl
Posted 60+ days ago | Updated 1 hour ago

Full Stack Developer (ReactJS, Vue, Angular)

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Full Stack Developer (ReactJS, Vue, Angular) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented Full Stack Developer with expertise in ReactJS, Vue, and Angular to join our dynamic team. In this role, you will be responsible for designing, developing, and maintaining modern web applications, working across both front-end and back-end systems. You will collaborate with designers, product managers,
Posted 60+ days ago | Updated 1 hour ago

Senior React Frontend Developer

iSpace, Inc

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Remote

Contract

Senior React Frontend Developer Location: REMOTE Duration: 12 months contract REMOTE Experience with Redux State management must have..! Responsibilities: Develop and maintain web applications using modern web technologies.Collaborate with cross-functional teams to define, design, and ship new features.Write clean, maintainable, and efficient code.Ensure the performance, quality, and responsiveness of applications.Identify and correct bottlenecks and fix bugs.Help maintain code quality, organ
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Posted 60+ days ago | Updated 14 hours ago

Remote React Developer DoD Secret Clearance Required

Highspring

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Remote

Contract

Overview Remote role but required to have an Active Secret Clearance. Seeking a Front-End Developer to support the development of applications for the Department of Defense. The ideal candidate will be a mid-level React developer with strong UI skills and experience in fast-paced Agile environments. Key Responsibilities Develop front-end applications using React, TypeScript, and JavaScript Ensure performance, accessibility, and high-quality UI standards Required Experience 4+ years in front
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Posted 14 hours ago | Updated 2 hours ago

Front-End Developer

Kforce Technology Staffing

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Remote or Sausalito, California, USA

Contract

RESPONSIBILITIES: Kforce has a client in Sausalito, CA that is seeking a Interim Controller. This is a hands-on development role focused on high-quality coding, performance optimization, and best practices in front-end development. The ideal candidate will have a deep understanding of front-end technologies, experience working with modern frameworks, and a passion for building engaging user experiences. REQUIREMENTS: * Experience with the pager router (not using app router) * React experience;
Posted 14 days ago | Updated 9 hours ago

Sr. Front End Developer- Full Time

Vizplum

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Remote

Full-time

We are seeking a highly experienced Senior Front-End Developer to join our team in Pontiac, Michigan. This role requires a hands-on leader with a strong background in UI development and a passion for creating seamless, user-focused digital experiences. The ideal candidate will have extensive experience working with modern front-end frameworks and a proven ability to deliver complex projects on time and within scope. Must-Have Qualifications: Bachelor s degree in Computer Science, Web Development
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Posted 1 day ago

Front End Developer Technical Lead

3M Company

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Remote or Maplewood, Minnesota, USA

Full-time

Job Description: Technical Lead - Front End Development Team Collaborate with Innovative 3Mers Around the World Choosing where to start and grow your career has a major impact on your professional and personal life, so it's equally important you know that the company that you choose to work at, and its leaders, will support and guide you. With a wide variety of people, global locations, technologies and products, 3M is a place where you can collaborate with other curious, creative 3Mers. Thi
Posted 9 days ago | Updated 1 hour ago

React JS Developer

Nextgenpros Inc

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Remote

Contract

Role: Front-End Developer (React.JS)Location: Dallas, TX (Remote)Type: Contract on W2 Description:-Key Responsibilities: Develop new user-facing features using React.js and modern JavaScript (ES6+).Build reusable components and front-end libraries for future use.Integrate front-end components with server-side logic via Node.js and APIs.Design and maintain scalable, secure, and efficient NoSQL databases (e.g., MongoDB).Optimize applications for maximum speed and scalability.Collaborate with UX/U
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Posted 16 hours ago

Fullstack Developer (React / Next.js / Node.js)

Optime Tech

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Remote

Contract

Job Title: Full Stack Developer (React / Next.js / Node.js) Location: ["Remote" for candidates who are in MI, IL, IN, OH, WI, KY] Experience Level: 3+ Years Employment Type: [Contract] ** W2 position only ** "No C2C or Corp-to-Corp" About the Role: We are seeking a talented and self-driven Full Stack Developer with a minimum of 3 years of professional experience to join our growing development team. The ideal candidate will have a strong foundation in Next.js, React, Node.js, and GraphQL, along
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Posted 15 days ago

Full Stack Developer(Python, Okta, React, AWS, Terraform)

Brillio, LLC

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Remote

Contract, Third Party

Job Title: Full Stack Developer (Python, React, AWS, Okta, Terraform) Location: US Remote Job Description The ideal candidate will have expertise in both front-end and back-end technologies and will be responsible for designing, developing, and maintaining scalable applications. The candidate will work on a range of projects involving technologies such as React, Python, AWS, and Terraform, while ensuring robust security and seamless integration with identity management and content management sys
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Posted 10 days ago | Updated 11 hours ago

Senior Lead UI Developer ( ReactJS and Java )

S&P Consultants

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Remote or Princeton, New Jersey, USA

Full-time

About the Role: Grade Level (for internal use): 12 The Team: Join the S&P Global Ratings team as a Senior Lead UI Developer within the Corporates Analytical Value Stream. Our team develops scalable solutions in collaboration with product development. We emphasize knowledge sharing and collaboration, fostering a unified strategy. Our culture promotes equality and innovation, empowering you to iterate and experiment freely. This role offers a unique opportunity to contribute to S&P Ratings next-
Posted 39 days ago | Updated 1 hour ago

Full Stack Developer Healthcare App Modernization (Node.js, React, TypeScript)

ADDSOURCE

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New York, USA

Third Party

Job Title: Full Stack Developer Healthcare App Modernization (Node.js, React, TypeScript) Location: New York, NY (Remote) Experience: 7+ Years Salary Range: Based on experience Education: BE/ME/BTech/MTech/BSc/MSc in Engineering or related field Certifications: Technical certifications in relevant technologies are a plus What's in It for You? We are seeking a Full Stack Developer with strong backend expertise in Node.js and TypeScript, and working knowledge of React. You'll work alongside our t
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Posted 1 day ago | Updated 6 hours ago

Lead UI Developer (ReactJS and Java)

S&P Consultants

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Remote or Princeton, New Jersey, USA

Full-time

About the Role: Grade Level (for internal use): 11 The Team: Join the S&P Global Ratings team as a Lead UI Developer within the Corporates Analytical Value Stream. Our team develops scalable solutions in collaboration with product development. We emphasize knowledge sharing and collaboration, fostering a unified strategy. Our culture promotes equality and innovation, empowering you to iterate and experiment freely. This role offers a unique opportunity to contribute to S&P Ratings next-generat
Posted 39 days ago | Updated 1 hour ago

Lead UI React developer :::

REDLEO SOFTWARE INC.

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Remote

Full-time

Lead UI React developer 100% Remote Fulltime12+ React development with extensive experience in Front-end frameworks and backend support knowledge. This role is expected to work independently as Lead Front end Developer to develop a web-based application from the requirements and wireframe designs provided. Extensive usage of JavaScript, React JS, Mobile (IONIC / React Native), Node JS, Bootstrap, jQuery/AJAX, JSON, HTML4/5, CSS2/3 to build Interactive User Interface (UI)Build and manage CI/CD
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Posted 22 days ago

Software Engineer

Innova Solutions, Inc

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Remote

Contract

A client of Innova Solutions is immediately hiring for a Software Engineer Position type: Full-time, Contract Duration: 12 months contract Location: Remote As a Software Engineer, you will: The position is for a full stack developer to work on a scrum team within Client's Development Shared Services. The team will be building out software to support Client's mission of promoting health through integrated clinical practice, education and research. Requirements: -Angular or React Front-end, Java o
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Posted 10 days ago

Full Stack Developer (React/Django)

Comcast Corp

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Remote or Atlanta, Georgia, USA

Full-time

Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology team that turns big ideas into cutting-edge products, platforms, and solutions that our customers love. We create space to innovate, and we recognize, reward, and invest in your ideas, while ensuring you can prou
Posted 13 days ago | Updated 1 hour ago