ReactJS Developer Jobs in California

Refine Results
21 - 40 of 56 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
Easy Apply
Posted 60+ days ago | Updated 8 hours ago

Full Stack Developer (Golang, Google Cloud Platform Cloud, Node, React UI) || 12+ yrs exp || W2 Position || Remote

iPivot, LLC

•

Remote

Full-time

Title: Full stack Developer Remote Job Description: We are seeking a highly skilled and experienced Fullstack Developer to join our remote engineering team. The ideal candidate will have a strong background in Golang, Google Cloud Platform (Google Cloud Platform), Node.js, and React.js. You will be responsible for designing, developing, and maintaining scalable web applications, collaborating with cross-functional teams, and delivering high-performance solutions. Key Responsibilities: Design and
Easy Apply
Posted 1 day ago | Updated 1 day ago

Java Full Stack Developer (Spring Boot + React + Python)

Value Spectrum Technologies LLC

•

Remote

Contract

Job Overview:UnitedHealth Group is looking for a highly skilled and versatile Full Stack Java Developer to build scalable, secure, and high-performing web applications in the healthcare domain. You will be responsible for designing and developing backend microservices using Spring Boot, dynamic and responsive UIs using React.js, and supporting automation/data transformation workflows with Python. This is a critical position contributing to enterprise applications that support healthcare operatio
Easy Apply
Posted 1 day ago

Python Full Stack Developer with React

Momento USA LLC

•

Arkansas, USA

Third Party, Contract

Momento USA is a global technology consulting, talent acquisition and creative development firm that addresses clients most pressing needs and challenges. We currently looking for Python Full Stack Developer with React (Remote). Please see the job description below for your reference. Python Full Stack Developer (Strapi and Okta) Remote PRIMARY SKILLS React, Python, AWS, Terraform, AngularJS, JavaScript, CSS3, React JS, Java, Hibernate, Oracle RDBMS, Docker, Spring Core, Spring Boot, HTML5, MySQ
Easy Apply
Posted 29 days ago | Updated 5 hours ago

Front-End Developer with GenAI/Machine Learning Full Stack Expertise

Projas Technologies, LLC

•

South San Francisco, California, USA

Contract, Third Party

We are seeking a highly skilled Front-End Developer with a strong foundation in Machine Learning and Generative AI (GenAI) technologies to join our innovative team. This hybrid role requires a developer who can build intuitive, responsive, and scalable front-end applications that seamlessly integrate with GenAI APIs and ML models. You will be responsible for designing and implementing user-friendly interfaces that deliver cutting-edge AI capabilities to end users. If you're passionate about crea
Easy Apply
Posted 24 days ago | Updated 7 days ago

Software Developer IV (AWS lambda, Node.Js, React)

Veterans Sourcing Group

•

Remote

Contract

Title: Software Developer IV Location: 100% Remote Duration: 6+ Months with potential extension/hire Top skills: Aws lambda, Serverless and lambda as a service Experience Level: 7-10 years. Design, develop, document, test, and debug new and existing software systems and/or applications using Node.js, React, and AWS.Serve as a technical expert on development projects.Participate in full development life cycle, including requirements analysis and design.Write technical specifications based on conc
Easy Apply
Posted 9 days ago | Updated 9 days ago

Commodities Application Developer (C#, React, TypeScript) - AVP - Houston (Hybrid)

Citi

•

Remote or Houston, Texas, USA

Full-time

The role is for a C# developer who will be working within a small team on Commodities Marking and Market Discovery Platform used by traders across the regions. We offer the opportunity to grow professionally, learn new technologies and gain business knowledge. Responsibilities: Develop the Platform using C# with an opportunity to learn React during WPF to React migrationWork directly with quants and traders to specify requirements and own deliveries and 3rd line support to provide daily communi
Posted 26 days ago | Updated moments ago

Front End Developer - Node.JS, GraphQL, React

West Coast Consulting LLC

•

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 60+ days ago | Updated 10 hours ago

: Senior Staff Software Engineer

Vaco by Highspring

•

Remote

Full-time

Job Title:Senior Staff Software Engineer Location:100% Remote Employment Type:Direct Hire Compensation:$140,000 - $175,000 Base + 10%-15% Bonus Benefits:401K Matching, Full Benefits & PTO ImportantNote: No third-party companies - direct applicants only. Sponsorship is not available now or in the future. Job Summary We seek aSenior Staff Software Engineerwith strong AWS cloud engineering expertise to lead and mentor a high-performing software development team. This role is an even split between t
Easy Apply
Posted 31 days ago

COE - Lead Onshore Full-Stack Developer - C1 (Java + React Js)

QualiTest

•

Remote

Full-time

Are you interested in working with the Worlds leading AI-powered Quality Engineering Company? Ready to advance your career, team up with global thought leaders across industries and make a difference every day? Join us at Qualitest! We are looking for a Lead Full-Stack Developer to join our growing team in United States! Responsibilities: Lead, Oversee and manage the offshore development team, ensuring seamless collaboration and high-quality code delivery. Assess, Evaluate and Hire new offshore
Posted 17 days ago

Python Full Stack Developer (Only CA local) (In-Person Interview and Day 1 Onsite)

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 manipula
Easy Apply
Posted 8 days ago | Updated 19 hours ago

React TypeScript Engineer || San Francisco, CA Onsite

AgreeYa Solutions

•

San Francisco, California, USA

Third Party, Contract

Hello, We at AgreeYa solutions are focused on hiring highly skilled professionals who are excited by the opportunity to make a true impact on their careers as well as on our clients' businesses. We power our clients success and drive our consultants career growth. We are seeking an experienced and outstanding React TypeScript Engineer for one of our esteemed clients. Kindly have a look at the below JD and reach us with your updated resume. The job description is as follows: Job Title: React T
Easy Apply
Posted 3 days ago | Updated 11 hours ago

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
Easy Apply
Posted 3 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
Easy Apply
Posted 60+ days ago | Updated 10 days ago

Senior Software Engineer, React, NodeJS, and Java

Maxonic, Inc.

•

Newark, California, USA

Third Party, Contract

Maxonic maintains a close and long-term relationship with our direct client. In support of their needs, we are looking for a Senior Software Engineer, React, NodeJS, and Java. Job Description: Job Title: Senior Software Engineer, React, NodeJS, and Java Job Location: Newark, CA Work Schedule: On-site Rate: $79, Based on experience, Open to C2C candidates as well. Responsibilities: Summary: The main function of a Software Engineer is to design, develop, implement, test, and maintain business and
Easy Apply
Posted 8 days ago | Updated 8 days ago

Sr. FullStack Engineer W/React,Python,Google Cloud Platform - W2 Only

Cinergy Technology Inc

•

Remote

Contract

Greetings from Cinergy Technology Inc ! Full Stack Engineer - *REMOTE*- 12+ month contract Key skills: Strong Google Cloud Platform experience, expertise in React.js and Python Our client is seeking a Full Stack Software Engineer. Key Responsibilities: Develop and enhance modern front-end features using React.jsDesign and implement scalable, cloud-native RESTful APIs using PythonIntegrate portal features with AI chatbots and backend systemsCollaborate with data teams to access and manipulate da
Easy Apply
Posted 15 days ago

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
Easy Apply
Posted 17 days ago

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
Easy Apply
Posted 17 days ago

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.
Easy Apply
Posted 14 hours ago

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
Easy Apply
Posted 36 days ago | Updated 1 day ago