JavaScript Developer Jobs in California

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Lead JavaScript Developer

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
Posted 60+ days ago | Updated moments ago

Sr JavaScript/TypeScript Developer with Dataverse & Mobile Migration Experience

SherlockTalent

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Remote

Contract

Job Title: Sr JavaScript/TypeScript Developer with Dataverse & Mobile Migration Experience Location: 100% Remote Job Type: Contract Salary: Competitive Hourly Rate Job #: 7351 Position Overview: We are looking for an experienced and self-driven JavaScript/TypeScript developer with strong expertise in Microsoft Dataverse customization and a solid understanding of geospatial UI development. You will play a key role in extending Dataverse widgets to support a moving map display, integrating filter
Posted 5 hours ago

Javascript Developer

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,
Posted 60+ days ago | Updated 17 days ago

Senior JavaScript Developer

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,
Posted 60+ days ago | Updated 17 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 60+ days ago | Updated 3 days ago

UI Developer with Vanilla JavaScript 7+ W2

TekVivid

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Remote

Contract

Role: UI Developer with Vanilla JavaScript Location: Remote Job Summary: We are seeking a passionate and skilled UI Developer with strong expertise in Vanilla JavaScript to join our front-end development team. The ideal candidate will be responsible for building clean, user-friendly interfaces without relying heavily on frameworks. You should have a deep understanding of HTML, CSS, and core JavaScript. Key Responsibilities: Develop responsive and interactive user interfaces using HTML, CSS, and
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Posted 1 day ago

Full-Stack Developer - Java - JavaScript - Vue

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
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Posted 14 days ago

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

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
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Posted 23 days ago | Updated 7 days ago

Senior Software Developer (ServiceNow, DevOps, JavaScript, AI, UI Design)

Ameri100

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Remote

Contract, Third Party

Job Title: Senior Software Developer (ServiceNow, DevOps, JavaScript, AI, UI Design) Start Date: ASAP End Date: 12/31/2025 Location: Remote Rate: C2C all inc. Job Summary: We are seeking a highly skilled and forward-thinking Senior Software Developer to join our growing team. The successful candidate will have a strong foundation in ServiceNow development, JavaScript, DevOps, and UI/UX design, with added expertise in AI integration, unit testing, and performance optimization. This role include
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Posted moments ago

UI developer (Onsite interview manadatory, prefer locals, react, javascript, E6, Typescript, D3.js)

Fervorly

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San Jose, California, USA

Contract, Third Party

Senior UI Developer Job Description: Architect, design and build scalable, secure, responsive, and complex web user interface (UI) applications:Understanding of best practices guidelines to achieve optimum response time.Staying abreast of technology to deliver state of the art web applications that take advantage of modern technologies.Fundamental understanding of CSS and HTML, with ability to code to a UX mockup.Follow security best practices.Research, design and implement reusable, customizabl
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Posted 14 days ago | Updated 6 hours ago

Full-stack .Net Developer - C#.Net, MVC, Javascript, API, SQL SVR, Cloud

Motion Recruitment Partners, LLC

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Los Angeles, California, USA

Full-time

Our Client, An Education Focused Tech Company, is looking for a Full-stack Mid-Level .Net Developer with strong C#.Net, MVC, Javascript, API, SQL SVR and Cloud experienceto join their team in Culver City, CA! Hybrid Schedule 2-3 days a week in the office As .Net Developer on a growing team, you will be responsible for building out new and existing web applications using microsfot .Net technologies. Collaborating with other engineers on the team and also within other departments. Required Skills
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Posted 9 days ago | Updated 8 hours ago

Senior Salesforce Developer (10+ Years Experience) - Remote

URSI Technologies Inc.

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Remote

Contract, Third Party

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
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Posted 56 days ago | Updated 1 day ago

C#/Javascript/SQL Server Fullstack Developer

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
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Posted 60+ days ago | Updated 1 day ago

Full Stack Engineer - (Golang + TypeScript/JavaScript)

Rocket

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Menlo Park, California, USA

Contract

Job Summary: We are seeking a Full Stack Developer with strong expertise in Golang and TypeScript/JavaScript to join our team. The role involves working on proprietary systems, requiring proficiency in both backend and frontend development. Key Responsibilities: Collaborate with internal teams to support homegrown, native technologies.Review testing areas to identify needs and implement solutions.Utilize strong backend development skills with Golang.Leverage frontend technologies with TypeScript
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Posted 1 day ago

Microservices JavaScript application Lead

Laiba Technologies LLC

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Sausalito, California, USA

Full-time

Position: Senior/Lead -Full Stack Engineer Location: Sausalito, CA 94965, US The purpose of this role is to serve as a full stack software developer. The focus of the position is developing web applications and working on other components of Aperio s software systems. We are following the Microservices application architecture pattern using React on the front end and Python on the back end, so candidates can expect a lot of Python and JavaScript programming. Aperio practices Agile software devel
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Posted 1 day ago

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

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
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Posted 35 days ago | Updated 22 hours ago

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

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.
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Posted 32 days ago | Updated 6 hours ago

Java Software Engineer III

Lockheed Martin Corporation

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Remote or King of Prussia, Pennsylvania, USA

Full-time

Job Description Combat Effectiveness Core (CEC) team is building a space combat simulator to model space conflicts. What forces will be needed to win? How can available resources best be allocated? What are the most effective defenses to adversary threats? CEC software simulates a wide range of scenarios, wargaming the actions from both sides of a conflict to help our stakeholders develop strategy, tactics, techniques, and procedures. The team builds on this foundation for our partners by creat
Posted 60+ days ago | Updated moments ago

UI Automation Engineer (JavaScript)

Xoriant Corporation

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Remote

Contract

Extensive expertise with test management, collaboration, and reporting tools such as Jira, Confluence, Spira, Grafana, or equivalent platformsSolid experience with both cloud-native and traditional test automation tools for web applications, including Mabl and TestCompleteStrong programming background in JavaScript and VBScriptComprehensive hands-on experience in developing test automation frameworks and automating test cases for unit, functional, performance, and API testingProven experience in
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Posted 60+ days ago | Updated 10 days ago

SWE - Phython, JavaScript, NoCode, LowCode

Advanced Software Talent

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South San Francisco, California, USA

Contract

Only local San Francisco Bay Area candidates! No 3rd party agencies! Direct W2 contractors only! We are not able to sponsor H1B Visa's. DescriptionJob description: We are looking for a versatile and forward-thinking Engineer to join our team on a contract basis. In this multifaceted role, you will be responsible for designing, developing, and maintaining a variety of software solutions, including low code, custom code, and cloud-based applications. Required competencies include: Bachelor's degre
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Posted 60+ days ago | Updated 9 days ago