React.js Jobs in California

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Sr. Front End Engineer/ Next.js/React

Encora

Remote

Contract

Sr. Front End Engineer/ Next.js/React Location: Remote Duration: 6+ months contract Duties: Architect and develop responsive and performant web components and applications using modern JavaScript practices (Next.js/React).Lead the front-end technical design and implementation of complex user interfaces, ensuring optimal performance and scalability.Drive cross-team collaboration by:Working closely with back-end engineers to define and consume API contracts.Partnering with product managers and

Full Stack Engineer-React

Akshaya Inc

Remote

Contract

Job Title: Full Stack Engineer-React Location: Remote Experience: 10+Years Required Description: Responsibilities: Build and maintain cross-platform mobile features using React Native Develop and maintain BFF services using Node.js and TypeScript to support tailored mobile data needs Collaborate with designers and product managers to implement intuitive, consistent user experiences Integrate mobile apps with cloud-based services, primarily using AWS (e.g., Lambda, API Gateway, S3) Write clean, t

Onsite- Fremont, CA- Lead Frontend Engineer- (IaaC,React.js,GraphQL)

Encora

Fremont, California, USA

Contract

Strong coding skills, navigating codebases with JavaScript-based frameworks and libraries such as React.js. Building and managing ci/cd pipelines and IaaC supporting services, web and mobile releases.experience in consuming GraphQL, RESTful, and RPPC APIs for data retrieval and manipulation.Experience building large scale scalable responsive and mobile-friendly web designs using CSS frameworks like Bootstrap, Foundation, or Materialize CSS.Experience operating in start-up settings, launching 0 t

Onsite-Fremont, CA- Lead fullstack engineer(Golang, react,gRPC)

Encora

Fremont, California, USA

Contract

Backend : Strong coding skills, navigating codebases with different languages and tools (GoLang, gRPC, GraphQL), building and managing ci/cd pipelines and IaaC supporting services, web and mobile releases. Experience building comprehensive understanding of APIs, microservices, databases, integrations and other complex backend systems. Experience building large scale backend systems using AWS ecosystem tools and services. Frontend : Strong coding skills, navigating codebases with JavaScript-based

Sr. Product Security Engineer (Python/React/Azure)

Software Guidance & Assistance

San Jose, California, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a Sr. Product Security Engineer for a CONTRACT assignment with one of our premier SaaS clients. This is a hybrid role with 2-3 days onsite per week and can work in any client location including San Jose, CA , Seattle, WA, New York, NY, Atlanta, GA, and Boston, MA Responsibilities : Develop and maintain scalable, performant full-stack applications using Python and React JS Collaborate with cross-functional teams to integrate A

Python Architect with react and Okta

Peritus Inc.

Remote

Contract

Skills: Python, React, Okta, Strapi, AWS, Terraform, DevOps

Full Stack Engineer / React, Nodejs, AI / Onsite in West LA

Motion Recruitment Partners, LLC

Los Angeles, California, USA

Full-time

Are you passionate about making the world a healthier place through technology and AI? Our client is building a product that helps improve people's health through personalized experiences to create the best version of yourself. They are currently searching for a Full Stack Engineer to join their team full time and fully onsite in their West LA office. The ideal candidate has strong experience with TypeScript, Nodejs, React and must have relevant experience working with different AI tools. Requi

Sr. Frontend Engineer (React/Redux & Node)

Symantrix Inc

California, USA

Contract

Job Description: Responsibilities include: Develop, Design, and write high-quality, high-performance code in front end technologies React, Express, NodeJs, JavaScript, Bootstrap, HTML and CSS. Participate in development life cycle activities like design, coding, testing and production release. Collaborate with peers and seniors both within their team and across the organization. Work with product owners using agile methodologies to deliver high quality solutions on time. Work with the operations

Front-End Engineer (React) - US

Yoh - A Day & Zimmerman Company

Mountain View, California, USA

Full-time

Front-End Engineer React We are seeking a skilled Front-End Engineer with deep expertise in React and JavaScript/TypeScript to join our team. The ideal candidate should bring strong front-end development skills, an understanding of full-stack workflows, and a collaborative mindset for working with design teams. Experience in high-scale or product-focused environments is a plus. Scope: Develop and maintain scalable front-end applications using React and TypeScript. Collaborate with UX and design

Ruby on Rails Architect with React.JS

New York Technology Partners

Remote

Contract

5+ years of experience in Ruby on Rails and React.js development.3+ years of experience in PostgreSQL, MySQL, or similar databases.3+ years of experience in GraphQL, REST APIs, and cloud platforms (AWS, Azure, or Google Cloud Platform) is a plus.Experience in Agile methodologies, DevOps, and CI/CD pipelines.Strong problem-solving skills and ability to work in a collaborative, onshore team environment.

Senior React.js Developer

R Systems, Inc.

Foster City, California, USA

Contract

Position: Senior React.js Developer Location: Foster City, CA Duration: Long Term About R Systems: R Systems is a leading digital product engineering company that designs and develops chip-to-cloud software products, platforms, and digital experiences that empower its clients to achieve higher revenues and operational efficiency. Our product mindset and engineering capabilities in Cloud, Data, AI, and CX enable us to serve key players in the high-tech industry, including ISVs, SaaS, and Inte

React Developer

Hexaware Technologies, Inc

Santa Clara, California, USA

Full-time

Responsibilities - Develop new user-facing features using React.js and Redux Build reusable components and front-end libraries for future use Collaborate with designers and backend developers to implement elegant and responsive user interfaces Optimize applications for maximum performance across various devices and browsers Conduct code reviews and provide constructive feedback to team members Stay up-to-date with the latest industry trends and technologies in React.js and Redux development Trou

TWO Software Engineers (JavaScript, React, Python) in San Mateo, CA (Hybrid)

DBA Web Technologies

San Mateo, California, USA

Full-time

TWO Software Engineers (JavaScript, React, Python) in San Mateo, CA (Hybrid) 2+ to 5 years of Experience POSITION: TWO Software Engineers (JavaScript, React, Python) in San Mateo, CA (Hybrid) LOCATION: San Mateo, CA - HYBRID (3 days onsite, 2 days remote) SALARY: Excellent Compensation with benefits DURATION: Full-Time HYBRID (3 days onsite, 2 days remote) SKILLS: MS degree, JavaScript, TypeScript, React, Python, Backend, FrontendDESCRIPTION: POSITION: As a Software Engineer working on Product

Full Stack React Technical Lead/Developer

Primesoft Consulting Services Inc

Remote

Contract

NO C2C ONLY ON W2 We have an immediate requirement for Technical Lead/ Developer Job Description: Fullstack dev. with react, nextjs.. lead small team of fullstack dev. and data scientist. Some Gen AI components knowledge.

Azure Architect with Full Stack Development - Only W2

Nivid InfoTech Inc.

Remote

Contract

Azure Architect with Full Stack Development Remote Work Long Term Job Description: Azure Architect with Experience in Full Stack Developer with js ( React )Experience in UI, Web Development Experience with Search Engine

React Developer

Tekfortune Inc.

Remote

Contract

Role: React Developer Location: 100% Remote Duration: 6 months Job Description: Must Have: Experience with debuggingReact - JavaScriptNext.JSHTML/CSSGraph QLAgile/Scrum Nice to Have: AWS experienceSEO (Search Engine Optimization) experienceHealthcare - sensitive data/PHI experienceExperience with scheduling systems

Sr React Developer - Foster City, CA (Hybrid)

R Systems, Inc.

Foster City, California, USA

Contract

Need Local Bay Area Consultants Must have 10+years of experience About R Systems: R Systems is a leading digital product engineering company that designs and develops chip-to-cloud software products, platforms, and digital experiences that empower its clients to achieve higher revenues and operational efficiency. Our product mindset and engineering capabilities in Cloud, Data, AI, and CX enable us to serve key players in the high-tech industry, including ISVs, SaaS, and Internet companies, as w

Sr. PHP Python React Developer (Locals preferred)

TeamSuccess LLC DBA HiEd Success

Fremont, California, USA

Contract

Position: PHP Python React Developer (10+yrs) Location: Fremont CA (Onsite) Skills needed: Java script developer with Data structures, React.js, Python and PHP. Excellent communication Skill expected from each candidate. Best time to reach you. Best number to contact you What is your current location? Mention years of experience and expertise (out of 10) in each skill below: React.jsPythonPHPCodingData structures

ReactJS Developer

MethodHub

San Francisco, California, USA

Third Party, Contract

Full Stack Developer Location: San Francisco, CA (Onsite) Duration: Long Term Our Tech Stack Frontend: TypeScript and React in a Mono-Repo structure Backend: TypeScript, using NestJS and Prisma Database: PostgreSQL What You'll Be Doing Design and build multi-part solutions to story tasks, considering risk mitigation and advanced testing processes, including building tests using React Testing Library and PlaywrightCollaborate with cross-functional teams, including product management, quality assu

Senior Software Engineer React, NodeJS, and Java

Purple Hires

Newark, California, USA

Contract

Job Title: Senior Software Engineer React, NodeJS, and Java Location: Newark, CA 100% Onsite Duration: Long-Term Contract Summary:We are seeking a highly experienced Senior Software Engineer to join our team in Newark, CA. This role is focused on migrating existing NestJS services to a Java-based microservices architecture. The ideal candidate is a seasoned Lead Developer with a strong background in the MERN stack, and has extensive experience in building scalable, high-performance web applicati