JavaScript Developer Jobs in California

1 - 20 of 45 Jobs

Lead JavaScript DeveloperJob Title - Lead JavaScript Developer

Tradeweb Markets LLCCompany Name - Tradeweb Markets LLC

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Remote or Jersey City, New Jersey, USA

Full-time

Company Description Tradeweb Markets is a world leader in the evolution of electronic trading. A fintech company serving approximately 2,500 clients ? including the world?s largest banks, asset managers, hedge funds, insurance companies, wealth managers and retail clients -- in more than 65 countries across the globe. Since our first trade in 1998, we have helped transform and electronify the fixed income markets. Tradeweb is a culture built on innovation, creativity and collaboration. Through a

Javascript DeveloperJob Title - Javascript Developer

Randstad - TorcCompany Name - Randstad - Torc

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Remote

Contract

We are looking for a Senior JavaScript Developer to join our dynamic team. As a key contributor, you will be responsible for designing, developing, and maintaining scalable and high-performance web applications. You will work with modern frameworks, APIs, and cloud-based services to deliver top-tier software solutions. What you'll do: Design, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,

Senior JavaScript DeveloperJob Title - Senior JavaScript Developer

Randstad - TorcCompany Name - Randstad - Torc

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Remote

Contract

We are looking for a Senior JavaScript Developer to join our dynamic team. As a key contributor, you will be responsible for designing, developing, and maintaining scalable and high-performance web applications. You will work with modern frameworks, APIs, and cloud-based services to deliver top-tier software solutions. ResponsibilitiesDesign, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,

Web Developer (Javascript/ Reactjs)Job Title - Web Developer (Javascript/ Reactjs)

AptinoCompany Name - 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

W2 Position: Software Developer (VSCode, Python/JavaScript) - 100% RemoteJob Title - W2 Position: Software Developer (VSCode, Python/JavaScript) - 100% Remote

Floga technologiesCompany Name - Floga technologies

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Remote

Contract

Role: Software Developer (VSCode, Python/JavaScript & Document Automation) Location: 100% Remote, USA Duration: Long Term Key Responsibilities Web App Development: Write clean, maintainable backend code (Python Flask/Django/FastAPI) and dynamic front-end logic (JavaScript/Node.js, React/Angular/Vue optional).PDF & Document Generation: Build or enhance PDF workflows using ReportLab, WeasyPrint, PDFKit, FPDF, InDesign scripting, IBM SmartIQ, or WeazyPrint.Integration Tasks: Consume APIs, database

Full-Stack Developer - Java - JavaScript - VueJob Title - Full-Stack Developer - Java - JavaScript - Vue

Trident SolutionsCompany Name - Trident Solutions

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Remote

Contract

We have a remote full-stack developer opportunity based on the east coast, working east coast hours. This requires U.S Citizenship! Must Have at least 4 years development experience with a related technical degree. If no technical degree, then must have 8 years experience. Required Technologies: JavaScript Framework (VueJs)Java Application DevelopmentContainer Application DevelopmentWeb deployment technologies.Nice To Have: WebSphere LibertyNodeJSExperience with developing micro services Day to

UI developer (react, javascript, E6, Typescript, D3.js)Job Title - UI developer (react, javascript, E6, Typescript, D3.js)

FervorlyCompany Name - Fervorly

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San Jose, California, USA

Third Party, Contract

Qualifications: Minimum of 8 years of experience delivering large scale enterprise or commercial web-based applications.Deep understanding of modern web applications design architecture, good API design patterns, performance, and scale.Ability to provide reliable solutions to a variety of problems using sound problem solving techniques.Demonstrated technical leadership experience, such as being an architect or tech lead for high impact customer facing projects.Advocate for User Centered Design a

JavaScript/Ruby On Rails Developer (FULL STACK - REMOTE)Job Title - JavaScript/Ruby On Rails Developer (FULL STACK - REMOTE)

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

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Remote or Cupertino, California, USA

Full-time

**THIS IS A CONTRACT ROLE** Description Build out new capabilities in an existing Ruby on Rails web application. Write consistent well thought out unit and system tests for all new features. Build out features that enhance existing CRUD operations of the existing evaluation data model and framework. Deliver consistent simple solutions that correspond to the existing css and JS conventions in the platform. Enhance the web UI with new user interfaces that make the collection of data intuitive for

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

Projas Technologies, LLCCompany Name - Projas Technologies, LLC

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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

Front-End Developer (TypeScript/JavaScript)Job Title - Front-End Developer (TypeScript/JavaScript)

OSI Engineering, Inc.Company Name - OSI Engineering, Inc.

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Remote or Cupertino, California, USA

Contract

Job Title: Front-End Developer (TypeScript/JavaScript) Job Summary: We are seeking a skilled Front-End Developer with strong expertise in JavaScript and TypeScript to join our engineering team. You will be responsible for developing responsive, high-performance user interfaces that provide seamless experiences across devices and browsers. Responsibilities: Develop and maintain scalable front-end applications using JavaScript and TypeScriptOptimize application performance for speed and scalabil

Senior Salesforce Developer (10+ Years Experience) - RemoteJob Title - Senior Salesforce Developer (10+ Years Experience) - Remote

URSI Technologies Inc.Company Name - URSI Technologies Inc.

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Remote

Third Party, Contract

Position Senior Salesforce Developer (10+ Years Experience)Location RemoteDuration 1+ Year (Extendable) Job Description: We are seeking a highly experienced Senior Salesforce Developer with over 10 years of expertise in designing, developing, and maintaining complex Salesforce applications and integrations. The ideal candidate should have a deep understanding of Salesforce best practices, Lightning Components, Apex programming, and complex data modeling, along with proven leadership in guiding

C#/Javascript/SQL Server Fullstack DeveloperJob Title - C#/Javascript/SQL Server Fullstack Developer

Case InteractiveCompany Name - Case Interactive

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Remote

Full-time

Title: Software Application Developer Job Description: We are seeking a talented and motivated Software Developer to join our fully remote team. This role involves working with our proprietary full-stack in-house development platform and low-code language to build and maintain database-driven web applications. While experience with our in-house platform and language is not expected, candidates should have a strong background in UI development and database architecture. As part of an agile develo

SOFTWARE ENGINEER- JAVASCRIPTJob Title - SOFTWARE ENGINEER- JAVASCRIPT

Recruitment.aiCompany Name - Recruitment.ai

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Remote

Full-time

Kindly review the Job requirement and let me know your interest. Software Engineer - Front End Platform Location Remote (as per EST ) Minimum Qualifications BS Degree in Computer Science, Computer Engineering or similar technical field of study, or equivalent practical experienceprofessional software development experience and testing usingJavascript, TypeScript, and a 3d engine such as BabylonJS, ThreeJS, Unity, or Unreal EngineExperience developing responsive web UI for mobile devices using C

Jr QA Automation - Javascript ExperienceJob Title - Jr QA Automation - Javascript Experience

LEO DOES IT INCCompany Name - LEO DOES IT INC

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San Diego, California, USA

Contract

Job title: Test Engineer/ QA Automation with JavaScript Location: San Diego, CA Hybrid Model Long term contract JD: Collaborate with Business & Dev teams to understand the software requirements, features, functionality and any source code check-in. Develop and execute test plans and test cases for functional & Regression testing (incl. REST APIs). Use AWS device farms for integration of multiple Physical devices Build Automation testing framework (Java Script/Appium) and develop Test scrip

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

DBA Web TechnologiesCompany Name - DBA Web Technologies

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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

Role: Jr. QA Automation with combination of Embedded and JavaScript............San Diego, CA - Hybrid - Onsite - W2 PositionJob Title - Role: Jr. QA Automation with combination of Embedded and JavaScript............San Diego, CA - Hybrid - Onsite - W2 Position

Tech RakersCompany Name - Tech Rakers

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San Diego, California, USA

Contract

W2 Position Role: Jr. QA Automation Location: San Diego, CA Hybrid Onsite Duration: Long Term Client is Looking for QA Automation with combination of Embedded and JavaScript.

? Senior Full Stack Engineer (JavaScript) - Audio AI | San Francisco | $200-225K + EquityJob Title - ? Senior Full Stack Engineer (JavaScript) - Audio AI | San Francisco | $200-225K + Equity

Coders ConnectCompany Name - Coders Connect

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Sonoma, California, USA

Full-time

Job DescriptionCoders Connect are partnering with an exciting, well-funded audio AI startup backed by $25M in Series A funding. Operating at the forefront of AI research and infrastructure, this company builds high-quality audio datasets and tooling for the world s top tech giants. They re hiring a Senior Full Stack Engineer to help build and scale data-centric products and real-time ML systems. This is a high-ownership role embedded within client engineering teams, helping to solve the most com