ReactJS Developer Jobs in California

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21 - 40 of 57 Jobs

Senior React Frontend Developer

iSpace, Inc

•

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 3 days 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 42 days ago | Updated 1 hour ago

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-
Posted 42 days ago | Updated 1 hour ago

Java Developer with React experience

Technocrafts, Inc.

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Palo Alto, California, USA

Contract

Location: onsite Palo Alto, CA (Only Local to CA) Duration: Long Term Rate: $45/hr on W-2 Job Description: Client is looking for Strong Java Developer with React experience
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Posted 13 days ago | Updated 2 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 13 days ago | Updated 2 days ago

Web Developer (Javascript/ Reactjs)

Aptino

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Mountain View, California, USA

Contract

Key Responsibilities:Develop and maintain responsive, user-friendly front-end components using React.js. Ensure cross-browser compatibility and consistent user experience across modern browsers. Write clean, well-structured, and maintainable HTML5, CSS3, and JavaScript code. Work closely with UX/UI designers and back-end developers to implement interactive features. Optimize front-end performance for speed and scalability. Debug and resolve UI/UX issues and browser inconsistencies. Stay updated
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Posted 6 days ago | Updated 3 days 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 4 days ago | Updated 2 hours ago

100% Remote Opportunity : Full Stack Developer .Net & React - May have to Meet team if needed located in charlotte, NC

Indotronix International Corp

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Remote or Charlotte, North Carolina, USA

Contract

Role: Full Stack Developer .Net & React Pay Rate: $64/Hr on W2 Location: 100% Remote Schedule: Standard M-F 8-5; OT not anticipated, but possible. The possibility of extension, based on demand. Responsibilities We are looking for a talented and motivated developer who can hit the ground running and integrate with our development team. As a full member of the agile team, you will participate at all stages of software development: Develop and maintain web applications using React, Typescript an
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Posted 46 days ago | Updated 10 days ago

Front End Developer - Node.JS, GraphQL, React

West Coast Consulting LLC

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California, USA

Full-time

Job Description REMOTE - PST Contract to hire Things You will do - Research, guide, and execute frontend architecture changes, including but by no means limited to GraphQL, server-side React rendering, and Flow typing. - Build reusable React components with modular CSS, manage data on the client with Redux, use react query, and GraphQL. - Measure and resolve performance bottlenecks, using tools like Chrome DevTools, Lighthouse, WebPagetest, or custom tooling. - Refactor or improve existing code
Posted 32 days ago | Updated 10 hours ago

Senior Fullstack .NET Developer / C#, .NET, React, Blazor, Cloud / Hacienda Heights

Motion Recruitment Partners, LLC

•

Hacienda Heights, California, USA

Full-time

One of my good clients is looking to hire a Fullstack .NET Developer. They are known for comprehensive solutions from home organizing to sophisticated water distribution technology, They have been around for over 30 years and have more than 9,000 system-wide employees across many subsidiaries. You will be working on building enterprise level applications from the ground up. They are looking for a Fullstack Developer who has experience in C#, .NET, SQL, Microservices, React, Blazor and either AWS
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Posted 12 days ago | Updated 10 hours ago

Full Stack Developer (Python + React)

Uniglobe Technologies, Inc

•

San Ramon, California, USA

Contract, Third Party

Role1: Full stack (Python+ React) Location: San Ramon, CA (Day 1 Onsite) & (Need Only Locals) Duration: Long-Term Interview Mode: Hacker Test+F2F Interview 15 years of relevant experience and skilled in - Python, RESTful Webservice, NoSQL Database, In Memory Database.Hands-on & In depth knowledge of Python application programming concepts, Django REST framework, FlaskCreate services as part of back-end: message intake and processing pipelines (message flow), REST APIs for front-end, data manipul
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Posted 60+ days ago | Updated 5 days ago

React Developer-w/ Financial Services

Interpro Inc.

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Remote

Contract

Interpro has been in the IT consulting business since 1993 and our employees work on a range of projects across the country. We have a long-term opportunity tocontribute to the development of client-facing applications. Remote working-EST hours Key Responsibilities: Develop and maintain responsive web applications using React.js and related technologies.Collaborate to translate design wireframes and mockups into high-quality code.Optimize applications for maximum speed and scalability.Ensure th
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Posted 60+ days ago | Updated 3 days ago

Python Full Stack Developer (Only Local CA)

Uniglobe Technologies, Inc

•

San Ramon, California, USA

Contract, Third Party

Role: Python Full Stack Developer Location: San Ramon, CA (In-Person Interview and Day 1 Onsite) Duration: Long Term Contract Must Have Python + ReactJS 6-10 Years of relevant experience and skilled in - Python, RESTful Webservice, NoSQL Database, In Memory Database.Hands-on & In depth knowledge of Python application programming concepts, Django REST framework, FlaskCreate services as part of back-end: message intake and processing pipelines (message flow), REST APIs for front-end, data manipul
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Posted 38 days ago | Updated 2 days ago

Front End React Developer

New Digital IT Inc.

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Remote or Seattle, Washington, USA

Third Party, Contract

New Assignment - React Front End Developer w Full Stack (Figma, Node.js, React.js, Python, Docer, Kubectl, Git, Jenkins, Kubernetes) Overview This guide walks you through the end-to-end process of transforming your Figma designs into a fully functioning, on-prem React/TypeScript front end (built with Vite), integrated with a FastAPI backend, PostgreSQL database, Keycloak authentication, LLM inference service, containerized in Kubernetes, and deployed to your Dell hardware. Prerequisites Figm
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Posted 60+ days ago | Updated 4 days ago

Java Fullstack Developer

SRS Consulting Inc

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Remote

Full-time

Core Requirements and Skills: Proficiency in ReactHooks and functional components: Mastery in using useState, useEffect, useContext, useReducer, etc. React Context: In-depth knowledge of state management and performance optimization strategies. React Router: Familiarity with dynamic routing in single-page applications (SPAs). Component architecture: Experience with scalable and reusable component design. JavaScript/PropTypes MasteryES6+ features: Destructuring, async/await, arrow functions, mod
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Posted 5 days ago

ReactJS Software Engineer - UI

Xoriant Corporation

•

San Jose, California, USA

Contract

Minimum Qualification Experience working with web and/or client-side technologies.Nice to have experience with full stack and/or backend developmentExcellent problem solving and analytical thinking skillsNice to have some infrastructure experience with AWS, Kubernetes, Java, CI/CDYou have advanced skills developing full-featured client-side applications using modern Javascript/Typescript technologies such as React/Redux.Knowledge of browser internals like Javascript engines, native DOM, Event AP
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Posted 31 days ago | Updated 5 days ago

Sr Front End Engineer with React JS Mountain View CA(Hybrid) and Day 1 Onsite

TESTINGXPERTS, INC. DBA DAMCOSOFT

•

San Diego, California, USA

Full-time, Part-time, Contract, Third Party

Role: Sr Front End Engineer with React JS Location: Mountain View CA(Hybrid) and Day 1 Onsite Duration: Long term JD for ReactJS Job Description: We seek outstanding React JavaScript developers with strong foundation in core web technologies. Our collaborative team environment offers a lively exchange of ideas on building ever better experiences for our customers. Ensure high quality components are produced and published. We are looking for candidates that are self-directed, familiar with Agil
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Posted 4 days ago | Updated 18 hours ago

Software Engineer (.NET and React)

Parkar Consulting Group, LLC

•

Remote

Full-time

Job Title: Software Engineer (.NET and React)Job Type: Full-TimeLocation: Remote About the Role:We are looking for a skilled and motivated Software Engineer with expertise in .NET (C#) and React.js to join our dynamic development team. In this role, you will be responsible for designing, developing, and maintaining high-quality web applications that are scalable, secure, and user-friendly. You ll collaborate with cross-functional teams, including product managers, designers, and QA engineers, to
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Posted 5 days ago

Sr. Full-Stack Developer (React.js, Next.js, MySQL and AWS) AI/ML

iSpace, Inc

•

Remote

Contract

Sr. Full-Stack Developer (React.js, Next.js, MySQL and AWS) Location : Full remote, but work PST time zone Duration : 6-12 Months Contract Description: Seeking a creative Senior Developer that can architect and develop large scale enterprise applications using React.js for front-end, Next.js, MySQL for backend. Will be working closely with a team of developers to validate and/or test new technologies to progress the efficiencies of the technical landscape. Requirements: 7+ years of experienc
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Posted 60+ days ago | Updated 3 days ago

Data Scientists/AI, with Angular & React exp :: NYC

DataFactZ

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Remote

Contract

Job Role: Data Scientists/AI, with Angular & React Location : NYC, NY (REMOTE)Hire-Type: ContractJob Description: Experience in Angular and React for front-end developmentUnderstanding of broader picture and integration pointsKnowledge of making API calls and using Git repositories for deploymentProactive suggestion of new ideas and solutionsChallenge of working with client data due to privacy concernsNeed for synthetic data creation that closely replicates client dataLLM, SLM, vector, DB, extra
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Posted 3 days ago | Updated 2 days ago