ReactJS Lead Jobs in Denver, CO

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Lead UI React developer :::

REDLEO SOFTWARE INC.

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

Remote Lead Frontend Developer - React, Typescript - $200k

Michael Page International

Remote or Chicago, Illinois, USA

Full-time

Join a growing organization with equity on offer from day 1Work 100% remotely - must be based in the USA to be eligible! About Our Client This organization is offering a candidate a 100% remote opportunity to work at a SaaS company that recently received funding, and is looking to expand their internal engineering team. The company is currently less than 10 employees, and is a fully remote organization with employees across the US. This is a fantastic opportunity to join an organization, get e

Lead/Senior Full Stack Engineer (Node & React) with AI/ML

iSpace, Inc

Remote

Contract

Only on W2, NO C2C/1099 Title: Lead Full Stack Engineer (Node & React) with AI/ML Position type: 12+ Months contract to start (could go for over 1-2 years) Location: Remote Top Skills: Node. JS, React, State Management, MySQL, AWS, Docker, Kubernetes, Open AI/Chat GPT, lead experience with both onshore and offshore. Qualifications: 7+ years of experience building complex web applications.Solid work experience using component-based development on the client side.Proficiency with front-end techn

Lead UI Developer (ReactJS and Java)

S&P Consultants

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

Senior Lead UI Developer ( ReactJS and Java )

S&P Consultants

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-

Front End Developer - React

Unison Systems, Inc

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

React Developer-TypeScript, AWS

InfoVision, Inc.

Denver, Colorado, USA

Contract

React Developer-TypeScript, AWS Denver CO onsite 5 days a week 5+ years of experience as a Software Engineer, including at least one year of professional development in TypeScript.You have experience with object-oriented design and algorithms.5+ years of UI development experience, ideally with React and TypeScript & NodeJS Backend 5+ years of AWS experience, ideally with AWS certification preferred(API Gateway, AWS Lambda, EKS, ECS, EC2, Parameter Store, IAM, CloudFront, S3, CloudWatch)2+ years

AEM Cloud React UI Architect

Techno-Comp, Inc.

Remote

Contract, Third Party

Job Title: AEM Cloud React UI Architect Location: New Jersey (Preferred) / Remote Duration: Long Term Job Description: We are looking for an experienced AEM Cloud React UI Architect to lead the design, development, and integration of front-end solutions within a cloud-based environment.The ideal candidate should have a deep understanding of AEM Cloud and strong expertise in React for building scalable, high-performance UI frameworks.Responsibilities include creating responsive designs, collabora

Senior React.js Developer

SLK America Inc.

Remote or Jacksonville, Florida, USA

Full-time

Senior React.js Developer: Location: Jacksonville, FL Lead the delivery of mobile applications within the Digital domain, ensuring alignment with business goals, security standards, and regulatory requirements. Define and implement scalable, robust, and maintainable mobile application architectures that support a wide range of financial services and functionalities. Collaborate closely with product managers, UX/UI designers, backend developers, and other stakeholders to understand business requi

React Developer

Collabera LLC

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

Full Stack C#/React Software Engineer

York Space Systems

Greenwood Village, Colorado, USA

Full-time

Salary: $110,000-$140,000 York Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and enabling next-generation space mission operations worldwide. Today, York is one of the most innovative aerospace companies, specializing in end-to-end customer solutions and the rapid production of spacecraft platforms. York's complete Space Segment Solution includes spacecraft production, payload integration, system integration & test, launch services, ground

Senior Software Engineer ( React.js / Node.js)

IT Associates, Inc.

Remote

Contract

100% Remote (must be located in EST, CST or MST) 6-12+ Month Contract Our client is seeking a talented Senior Full Stack Developer that will join an experienced software engineering team utilizing React, NodeJS and PostgreSQL and MongoDB. The ideal candidate will contribute to developing scalable, high-quality web applications and services. Key Responsibilities: Develop and maintain web applications using React, and design and implement server-side logic using NodeJS.Collaborate with cross-funct

React CSS Developer - Part Time

DFND Security

Remote

Contract

We are looking for a React/CSS Developer for a short term project starting at the end of May. Don t have a formal description but need a designer to develop visual look and feel for a customer facing brochure site with some interactive components. Industry is Insurance/Healthcare. Technology will be React/CSS. Expected to be around 160-200 hours. Please let me know if you are interested and when a good time is to get in touch with you. Thanks for your time. Ricky Grandy

React.js / Node.js Developer

Cymertek Corporation

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

Full Stack Developer (Node/React)

PY DATA, INC.

Remote

Contract

Position: Full Stack Developer (Node/React) 3 Openings Location: 100% Remote Duration : 6+ Months Only W2 Consultants ($60-65/hr on W2) Looking for people familiar with Web Stack. Mobile is a nice to have. Node.JSReactNextTypescriptAWS

Full Stack Developer (ReactJS, Vue, Angular)

Cymertek Corporation

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,

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

Brillio, LLC

Remote

Contract, Third Party

Job Title: Full Stack Developer 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 systems. Key Responsibilities Frontend De

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

Optime Tech

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

Full Stack (Java/Python + React) - Remote - Fulltime

Lorven Technologies, Inc.

US

Full-time

Job Title:Full Stack (Java/Python + React) Location: Remote Employment Type: Fulltime Job description: UX prototyping contractors The Relevance team builds machine learning models to power product experiences and item rankings across various surfaces. The Difference You Will Make: Explore, shape, and develop new product experiences alongside engineers and product managers from the relevance team; from ideation to implementation Develop prototypes to iteratively validate ideas that push th

React JS Developer

Cyber Sphere LLC

Remote

Contract, Third Party

React JS Developer Remote (PST Hours) Long Term Contract $50/HR on C2C Develop and optimize front-end applications using React, Redux (or Redux-Toolkit).Collaborate with backend engineers to build and maintain APIs using Node.js and MongoDB.Ensure seamless data flow and performance in applications handling large, complex state.Work closely with product, design, and engineering teams to create scalable, high- performance applications.Optimize applications for speed, scalability, and maintainabili