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Javascript Developer Contract Jobs in California

Nastech Global

Frontend Developer

Sunnyvale, CA · On-site

$122.10K - $142K/yr

Required skills • 6+ years of JavaScript development experience • 6+ years of React development ... contracts • Optimize applications for maximum speed and scalability • Write clean, testable ...

Procom Consultants Group

ServiceNow Developer

Folsom, CA

$57.75 - $79.50/hr

... Contract Staffing (Staff Augmentation) Permanent Placement (Staff Augmentation) ICAP (Contractor ... Javascript - At least 2 years of experience with web development using Javascript, HTML and ...

360 IT Professionals

UI Developer

San Francisco, CA

$59 - $76.50/hr

UI Developer 6 Positions Only 1 round- F2F These are 6+ month contract to hire roles in San Francisco, CA. 8+ years of experience: Traditional JavaScript Position Professional Degree: BS / MS in ...

Wipro Limited

DEVELOPER L4(CONTRACT)

Woodland Hills, CA · On-site

$60K - $148.50K/yr

DEVELOPER L4(CONTRACT) City: Woodland Hills State/Province: California Posting Start Date: 5/15/26 ... JavaScript (ES6+), TypeScript, HTML5, CSS3/SCSS • Experience integrating with REST APIs and ...

Jobsbridge

UI Front End Developer

San Jose, CA

Company Description Jobsbridge Skill CSS,Javascript,UI,JQuery,MVC,API,Bootstrap,FrontEnd,JSON,HTML5 ... Max Salary $ DOE Per Hour Employment Type Contract Jobs (Temp/Consulting) Job Duration 12Months ...

Staffingine LLC

Java Full Stack Developer

San Jose, CA · On-site

$61.50 - $79.50/hr

Contract * 8+ yr experience * Develop and maintain web applications using Java Spring Boot for ... Handson experience with Angular v8 TypeScript HTML5 CSS3 and JavaScript * Experience with SQL and ...

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Javascript Developer Contract information

See California salary details

$29.1K

$105.2K

$166.8K

How much do javascript developer contract jobs pay per year?

As of May 31, 2026, the average yearly pay for javascript developer contract in California is $105,188.00, according to ZipRecruiter salary data. Most workers in this role earn between $65,100.00 and $126,300.00 per year, depending on experience, location, and employer.

What is a Javascript Developer Contract job?

A JavaScript Developer Contract job is a temporary or project-based role where a developer is hired to build or maintain JavaScript applications. Contract developers typically work for a fixed period, often for a company or as freelancers, on web development, front-end, or full-stack projects. These roles offer flexibility and can be remote or on-site, depending on the employer's needs. Contractors are usually paid hourly or per project rather than receiving a full-time salary and benefits.

What are the key skills and qualifications needed to thrive in the Javascript Developer Contract position, and why are they important?

To thrive as a Javascript Developer Contractor, you need strong proficiency in JavaScript, HTML, and CSS, along with a solid understanding of frameworks such as React, Angular, or Vue.js, and a track record of delivering software projects. Experience with version control systems like Git, cloud platforms, and using build tools or package managers is often required, while relevant certifications in web development are a plus. Excellent problem-solving skills, adaptability, and effective communication with clients and team members help you excel in a contract setting. These skills ensure you can deliver quality code on time while collaborating efficiently in diverse or rapidly changing project environments.

What are the typical daily responsibilities of a Javascript Developer on a contract basis?

A Javascript Developer working on contract typically spends their days writing and testing code, implementing new features, fixing bugs, and collaborating with designers and back-end developers to ensure seamless integration of web applications. They may also be responsible for attending virtual stand-up meetings, updating project stakeholders, and managing tasks through project management tools like Jira or Trello. Since contract roles are often project-based, the ability to quickly understand requirements and start contributing is crucial. Flexibility and clear communication help contractors align with the client’s expectations and deliver results within tight deadlines.
More about Javascript Developer Contract jobs
What are the most commonly searched types of Javascript Developer jobs in California? The most popular types of Javascript Developer jobs in California are:
What are popular job titles related to Javascript Developer Contract jobs in California? For Javascript Developer Contract jobs in California, the most frequently searched job titles are:
What job categories do people searching Javascript Developer Contract jobs in California look for? The top searched job categories for Javascript Developer Contract jobs in California are:
What cities in California are hiring for Javascript Developer Contract jobs? Cities in California with the most Javascript Developer Contract job openings:
Javascript Developer Contract jobs near you
Infographic showing various Javascript Developer Contract job openings in California as of May 2026, with employment types broken down into 5% As Needed, 79% Full Time, 10% Part Time, 3% Temporary, and 3% Contract. Highlights an 60% Physical, and 40% Remote job distribution, with an average salary of $105,188 per year, or $50.6 per hour.

Frontend Developer

Nastech Global

Sunnyvale, CA • On-site

$122.10K - $142K/yr

Full-time

Posted 23 days ago

Job description

Job Title: Senior Front end Developer
Location: Sunnyvale, CA (onsite)
Job Type: Full time
 
Job Description

Must Have Technical/Functional Skills

We are seeking a Senior Frontend Developer with deep expertise in React and JavaScript, and exposure to backend systems, cloud-native infrastructure, and automation tooling. Candidate will play a key role in building intuitive, scalable, and high-performance user interfaces while collaborating across disciplines to ensure seamless integration with backend services and infrastructure.

Required skills

• 6+ years of JavaScript development experience

• 6+ years of React development experience

• 5+ years of API development experience

• Familiarity with industry standard GraphQL concepts (Fragments, codegen tooling, Relay Cursor Connection Specification, etc).

Preferred skills

• General distributed systems knowledge

• Kubernetes / Cloud technologies

• Terraform / orchestration tooling

• Python

Roles & Responsibilities

Key Responsibilities:

• Design, develop, and maintain complex, data-rich frontend applications using React and modern JavaScript (ES6+)

• Work closely with design, product, and backend engineering teams to deliver cohesive, high-quality features

• Contribute to system architecture and make decisions that impact the scalability and performance of the frontend

• Integrate with RESTful and/or GraphQL APIs; contribute to the design of frontend/backend contracts

• Optimize applications for maximum speed and scalability

• Write clean, testable, and maintainable code using best practices and tools (e.g., Jest, ESLint, Cypress)

• Mentor junior developers and participate in code reviews

• Collaborate with DevOps and backend engineers to ensure effective deployment, monitoring, and performance tuning of frontend components in cloud-native environments