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Freelance Process Engineer Jobs in California (NOW HIRING)

Radical Numerics

Marketing Associate

San Francisco, CA · On-site

$80 - $100/hr

... physical processes), into intelligible, generative models that can expand and accelerate what ... freelancers (designers, video producers, developers) for work that's better built externally.

Solomon Page

Senior Editor/Writer

West Hollywood, CA · On-site

$53/hr

This freelance role will run until May 2027 with potential to extend and will be fully onsite in ... Partner with editorial, marketing, publicity, programming, SEO and other stakeholders to review ...

Cuento Marketing

Project Manager

San Diego, CA · On-site

$60 - $80/hr

Commitment: Part-Time, Freelance, 10-20 hours per week (flexible) Location: Remote or San Diego ... You'll partner closely with account leads, marketers, web developers and creatives to keep projects ...

LA 411

Manager, Live Technical Production

Santa Clara, CA · On-site

$100 - $125/hr

Manage payment processing for all control room production staff, vendors, freelancers, etc. * Oversee control room content loading & programming for 49ers home games within Ross CMS, including ...

Adyen

Senior Designer

San Francisco, CA

$165K - $195K/yr

At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with ... Manage and direct freelancers and creative agencies, providing clear creative briefs, feedback, and ...

Adyen

Senior Designer

San Francisco, CA · On-site

$165K - $195K/yr

At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with ... Manage and direct freelancers and creative agencies, providing clear creative briefs, feedback, and ...

Visa Hunt

Senior Designer

San Francisco, CA · On-site

$150 - $200/hr

At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with ... Manage and direct freelancers and creative agencies, providing clear creative briefs, feedback, and ...

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Showing results 41-60

All JobsProcess Engineer JobsFreelance Process Engineer JobsFreelance Process Engineer Jobs in California

Freelance Process Engineer information

See California salary details

$48.9K

$90.8K

$140.6K

How much do freelance process engineer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for freelance process engineer in California is $90,813.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,500.00 and $101,700.00 per year, depending on experience, location, and employer.

What is a freelance process engineer?

A Freelance Process Engineer is a professional who designs, optimizes, and troubleshoots industrial processes on a contract or project basis, rather than as a full-time employee. They work with companies in industries like manufacturing, pharmaceuticals, or energy to improve efficiency, safety, and productivity. Freelance Process Engineers often handle multiple clients, offering flexibility and specialized expertise for short-term or ongoing projects. They may be involved in process design, simulation, equipment selection, or regulatory compliance.

What are the key skills and qualifications needed to thrive as a freelance process engineer?

To thrive as a Freelance Process Engineer, a strong background in chemical or mechanical engineering, process optimization, and project management, often supported by a relevant engineering degree and professional certification, is essential. Familiarity with industry-standard tools such as AutoCAD, Aspen HYSYS, and process simulation software is typically required. Exceptional problem-solving, communication, and client management skills help freelancers stand out by effectively addressing client needs and adapting to diverse projects. These abilities enable the engineer to deliver efficient solutions, ensure client satisfaction, and maintain a competitive edge in the freelance marketplace.

How do freelance process engineers typically collaborate with client teams during projects?

Freelance Process Engineers often work closely with client teams by participating in regular virtual meetings, providing detailed progress updates, and integrating feedback to ensure alignment with project goals. Effective collaboration may require adapting to different communication styles and project management tools used by various organizations. Building strong professional relationships and being proactive in clarifying expectations are key to overcoming challenges such as remote integration and limited onsite presence. This collaborative approach helps ensure successful project delivery and client satisfaction.

What is the difference between Freelance Process Engineer vs Process Engineer?

AspectFreelance Process EngineerProcess Engineer
CredentialsRelevant engineering degree, certifications optionalEngineering degree, professional certifications often preferred
Work EnvironmentIndependent, project-based, remote or on-siteFull-time, employed by a company, on-site or hybrid
Employer & Industry UsageClients across industries, contract-basedManufacturing, chemical, or industrial firms
Search & Comparison IntentFreelance Process Engineer vs Process EngineerFreelance Process Engineer vs Process Engineer

While both roles focus on optimizing processes, a Freelance Process Engineer works independently on various client projects, often remotely, and may lack the full-time employment benefits. A Process Engineer is typically employed full-time within a company, focusing on ongoing process improvements in a specific industry. The choice depends on your preference for independence versus stability.

Are freelance process engineers in high demand?

Freelance process engineers are in increasing demand due to the need for specialized expertise in optimizing manufacturing and industrial processes. Their skills in process analysis, project management, and familiarity with tools like CAD and simulation software make them valuable for companies seeking flexible, cost-effective solutions. Demand varies by industry and region but generally remains strong as companies focus on efficiency and innovation.

Can a freelance process engineer work from home?

A freelance process engineer can often work from home, especially if their projects involve designing processes, analyzing data, or creating documentation that can be done remotely. However, some tasks may require on-site visits or collaboration with manufacturing teams, depending on the project requirements and client needs.

What are the most commonly searched types of Process Engineer jobs in California?

The most popular types of Process Engineer jobs in California are:

What are popular job titles related to Freelance Process Engineer jobs in California?

For Freelance Process Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching Freelance Process Engineer jobs in California look for?

The top searched job categories for Freelance Process Engineer jobs in California are:

What cities in California are hiring for Freelance Process Engineer jobs?

Cities in California with the most Freelance Process Engineer job openings:

Freelance Process Engineer jobs near you
Infographic showing various Freelance Process Engineer job openings in California as of August 2026, with employment types broken down into 46% Full Time, 27% Part Time, and 27% Contract. Highlights an 100% In-person job distribution, with an average salary of $90,813 per year, or $43.7 per hour.

Content Specialist, Adult Learning (San Francisco)

San Francisco, CA • On-site

Study.com
E-Learning • 51 - 200 employees
Learn more about Study.comexternal

Full-time

Re-posted 7 days ago

Job description

Role Overview

Coordinate projects and contractor teams to support the development of high-quality, scalable learning content across instructional products such as college courses and test preparation materials. This role manages processes and workflows populated by SMEs and content freelancers, applies learning science best practices, and leverages AI-powered workflows to improve content quality, consistency, and production efficiency.

The contractor will be expected to work PST business hours. Additionally, they will need to use their own computer and have reliable access to high-speed internet.

What You'll Do
  • Support the development of curriculum, test prep, and instructional materials
  • Onboard, coordinate, and support a distributed team of SMEs and content developers
  • Apply learning science principles and learning design best practices to ensure development of learner-centered content
  • Build and maintain scalable, high-quality content development workflows using AI and other tools
  • Provide clear, ongoing feedback, troubleshooting, and guidance to freelancers and contributors
  • Continuously improve content development processes through experimentation and innovation and AI usage
  • Monitor and proactively communicate progress, risks, and resource needs to team leadership
  • Conduct research to formulate and propose evidence-based solutions
  • Develop, document, and maintain best practices for content creation and review
What You\'ll Bring to the Role
  • 2–3 years of experience in curriculum development, instructional design, test prep content, or ed tech content management
  • Demonstrated success using AI-powered tools or automation to support content development
  • Experience implementing learning science and instructional design principles in content creation for learners
  • Experience working in ed tech or digital learning environments
  • Comfortable working PST business hours
  • Optional preferred qualification
  • Experience working with globally distributed teams
  • Experience with independent and collaborative decision-making processes

At Study.com, we know that strong communities are built on the power of our diversity, and we respect and strive to understand for the diverse identities, race, ethnicities, backgrounds, and perspectives of our team members. Our work and company culture have been consistently recognized, including:

  • Inc. Best Place to Work
  • Fortune Great Places to Work – Best Workplaces in the Bay Area
  • San Francisco Business Times & Silicon Valley Business Journal – Best Places to Work

Study.com provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, veteran or disability status. In addition to federal law requirements.

Study.com complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. Additionally, qualified applicants with arrest and conviction records will be considered for the position in accordance with applicable state and local laws.

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