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Javascript Developer Contract Jobs in Modesto, CA

Kelly Services

AI Automation Engineer

Modesto, CA · On-site

$70 - $80/hr

... hr 6-Month Contract with strong potential for extension or conversion Kelly Engineering is ... Working knowledge of Python, JavaScript, or similar programming languages * Comfortable working ...

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Javascript Developer Contract information

See Modesto, CA salary details

$31.1K

$112.4K

$178.3K

How much do javascript developer contract jobs pay per year?

As of May 30, 2026, the average yearly pay for javascript developer contract in Modesto, CA is $112,446.00, according to ZipRecruiter salary data. Most workers in this role earn between $69,600.00 and $135,000.00 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.
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Javascript Developer Contract jobs near you
AI Automation Engineer

AI Automation Engineer

Kelly Services

Modesto, CA • On-site

$70 - $80/hr

Full-time

Medical, Dental, Vision, Life, Retirement

This job post has expired today. Applications are no longer accepted.

Job description

AI Solutions Engineer
Modesto, CA - Onsite during ramp-up | Hybrid flexibility after onboarding
$70.00–$80.00/hr
6-Month Contract with strong potential for extension or conversion

Kelly Engineering is partnering with a global enterprise organization to hire an AI Solutions Engineer to build internal AI tools that solve real business problems across sales, marketing, finance, operations, and engineering.

This is a hands-on engineering role focused on building practical AI-powered tools, workflow automations, and internal copilots that improve how business teams operate. This is not a research role. We are looking for someone who can build quickly, automate intelligently, and turn business needs into scalable internal AI solutions.

What You’ll Do

  • Build internal AI tools, copilots, and workflow automations for business users across sales, marketing, finance, operations, and engineering
  • Design and deploy practical AI-powered solutions that improve productivity and reduce manual work
  • Translate business problems into scalable AI workflows and internal tools
  • Partner directly with business stakeholders and non-technical teams to understand pain points and build useful solutions
  • Build and maintain AI workflows using LLMs, prompt orchestration, APIs, and automation tools
  • Rapidly prototype, test, and iterate on internal AI applications with visible business impact
  • Bridge the gap between technical AI development and business users by building tools people actually use

What We’re Looking For

  • 3–7+ years of experience in software engineering, AI engineering, machine learning, or AI application development
  • Hands-on experience building internal AI tools, copilots, AI agents, or business-facing AI applications
  • Experience building workflow automations using tools such as n8n, LangChain, Flowise, Retool, Make, or similar platforms
  • Experience working with LLMs, GenAI workflows, prompt orchestration, and API integrations
  • Strong ability to translate business problems into practical technical solutions
  • Experience working directly with non-technical stakeholders and business teams
  • Strong communication skills with the ability to gather requirements and build solutions for non-technical users
  • Working knowledge of Python, JavaScript, or similar programming languages
  • Comfortable working independently in a fast-moving, builder-focused environment

Strongly Preferred

  • Experience with Shakudo strongly preferred. Candidates with direct Shakudo experience will be prioritized
  • Experience building AI agents, RAG workflows, or internal copilots
  • Experience in startup or fast-moving product environments
  • Experience shipping internal tools quickly with minimal oversight

Why Apply

  • Build internal AI tools with visible business impact
  • High ownership and autonomy
  • Fast-moving, builder-focused environment
  • Strong potential for extension or long-term conversion
  • Opportunity to shape how AI is used across the business

As part of our promise to talent, Kelly supports those who work with us through a variety of benefits, perks, and work-related resources. Kelly offers eligible employees voluntary benefit plans including medical, dental, vision, telemedicine, term life, whole life, accident insurance, critical illness, a legal plan, and short-term disability. As a Kelly employee, you will have access to a retirement savings plan, service bonus and holiday pay plans (earn up to eight paid holidays per benefit year), and a transit spending account. In addition, employees are entitled to earn paid sick leave under the applicable state or local plan. Click here for more information on benefits and perks that may be available to you as a member of the Kelly Talent Community.

Why Kelly® Engineering?

Your engineering skills are in demand, but how do you find the right fit? Easy. At Kelly Engineering, our team creates expert talent solutions to solve the world’s most critical challenges. We connect you with leading organizations where you can collaborate on innovative projects, work with cutting-edge technologies and accelerate your growth. Whether you prefer the variety and flexibility of short-term projects or are looking for a long-term opportunity, we’re here to guide you to the next step in your engineering career.

About Kelly

Work changes everything. And at Kelly, we’re obsessed with where it can take you. To us, it’s about more than simply accepting your next job opportunity. It’s the fuel that powers every next step of your life. It’s the ripple effect that changes and improves everything for your family, your community, and the world. Which is why, here at Kelly, we are dedicated to providing you with limitless opportunities to enrich your life-just ask the 300,000 people we employ each year.
Kelly is committed to providing equal employment opportunities to all qualified employees and applicants regardless of race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or any other legally protected status, and we take affirmative action to recruit, employ, and advance qualified individuals with disabilities and protected veterans in the workforce. Requests for accommodation related to our application process can be directed to the Kelly Human Resource Knowledge Center. Kelly complies with the requirements of California’s state and local Fair Chance laws. A conviction does not automatically bar individuals from employment. Kelly participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.

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