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Freelance Exercise Science Jobs in California (NOW HIRING)

Science Copywriter

Hercules, CA · On-site

$78 - $107/hr

Candidates may be asked to perform a practical editing exercise as part of the interview process ... Relevant internships, academic or journal publishing, and substantial freelance work count * Strong ...

New

Exercise judgment in coding following the software designs and conducting investigation activities ... Bachelor's degree in relevant engineering discipline, computer science, related engineering field.

Cloud Software Engineer II

Sylmar, CA · On-site

$81K - $141K/yr

Exercise judgment in coding following the software designs and conducting investigation activities ... Bachelor's degree in relevant engineering discipline, computer science, related engineering field.

Exercise judgment in coding following the software designs and conducting investigation activities ... Bachelor's degree in relevant engineering discipline, computer science, related engineering field.

Global Social Media Manager

Alameda, CA · On-site

$129K/yr

... exercise, and overall wellbeing. We sit at the intersection of health technology and consumer ... Brief and collaborate with internal creatives, external agencies, and freelance creators to produce ...

... exercise, and overall wellbeing. We sit at the intersection of health technology and consumer ... Brief and collaborate with internal creatives, external agencies, and freelance creators to produce ...

... exercise, and overall wellbeing. We sit at the intersection of health technology and consumer ... Brief and collaborate with internal creatives, external agencies, and freelance creators to produce ...

Freelance Exercise Science information

See California salary details

$14

$47

$130

How much do freelance exercise science jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for freelance exercise science in California is $47.08, according to ZipRecruiter salary data. Most workers in this role earn between $23.94 and $60.96 per hour, depending on experience, location, and employer.

What is a freelance exercise science professional?

A freelance exercise science professional is an expert in human movement, fitness, and health who works independently, offering services such as personal training, fitness consulting, program development, or wellness coaching without being tied to a single employer. These professionals often collaborate with clients, gyms, sports teams, or corporate wellness programs on a contract basis. Freelance exercise science professionals may also conduct workshops, design fitness plans, or provide online coaching. Their work is flexible and can be tailored to the needs of different clients, allowing them to specialize in various areas such as strength training, rehabilitation, or sports performance.

What are the key skills and qualifications needed to thrive as a freelance exercise science professional?

To thrive as a Freelance Exercise Science professional, you need a solid background in exercise physiology, kinesiology, and program design, often supported by a relevant degree and certifications such as ACSM or NASM. Familiarity with fitness assessment tools, exercise planning software, and online coaching platforms is typically required. Exceptional communication, motivation, and adaptability help you build rapport with diverse clients and adjust programs to individual needs. These skills are vital to delivering effective, personalized fitness solutions and maintaining a successful freelance business.

What are the typical challenges freelance exercise science professionals face when working with diverse clients remotely?

Freelance exercise science professionals often encounter challenges such as tailoring exercise programs to clients of varying ages, fitness levels, and health backgrounds, especially when working remotely. Communication and motivation can be more difficult to maintain without in-person interactions, requiring strong virtual engagement skills and creative use of technology. Additionally, freelancers must stay updated on the latest research and best practices to provide safe, effective advice, while managing their own schedules, client acquisition, and administrative tasks. Building trust and rapport virtually is essential to client retention and successful outcomes.

What is the difference between Freelance Exercise Science vs Personal Trainer?

AspectFreelance Exercise SciencePersonal Trainer
CredentialsCertifications in exercise science, kinesiology, or related fieldsCertified personal trainer certifications (e.g., NASM, ACE)
Work EnvironmentIndependent consulting, online or client-specific sessionsGyms, fitness centers, private sessions
Employer/Industry UsageFreelance, health and wellness industryFitness industry, gyms, private clients
Search/Comparison IntentUnderstanding roles, qualifications, and freelance opportunitiesFinding personal training services or careers

Freelance Exercise Science involves providing expert advice on exercise programs, injury prevention, and performance optimization independently, often with advanced knowledge in exercise physiology. Personal Trainers focus on designing and delivering workout plans to clients, typically within gyms or private settings. While both roles require certifications, Freelance Exercise Science emphasizes consulting and education, whereas Personal Trainers concentrate on direct client fitness training.

What else can I do with a freelance exercise science degree?

A freelance exercise science degree enables you to work as a personal trainer, fitness coach, or wellness consultant independently. You can also pursue roles in health coaching, sports performance, rehabilitation, or develop online training programs, often requiring certifications and knowledge of exercise programming and client assessment. These roles typically involve flexible schedules and direct client interaction.

What jobs are available for exercise science?

Exercise science graduates can pursue roles such as personal trainers, fitness instructors, strength and conditioning coaches, physical therapy assistants, and wellness coaches. These positions often require certifications like ACSM or NASM and involve working in gyms, sports teams, clinics, or private settings.

What jobs can you do as a freelance exercise scientist?

As a freelance exercise scientist, you can work as a personal trainer, sports performance consultant, rehabilitation specialist, or fitness coach. These roles often involve designing training programs, conducting assessments, and providing expert advice to clients or teams, typically requiring relevant certifications and knowledge of exercise physiology. Freelancers may work independently with clients or collaborate with gyms, sports teams, or healthcare providers.

What are the most commonly searched types of Exercise Science jobs in California?

The most popular types of Exercise Science jobs in California are:

What are popular job titles related to Freelance Exercise Science jobs in California?

For Freelance Exercise Science jobs in California, the most frequently searched job titles are:

What job categories do people searching Freelance Exercise Science jobs in California look for?

The top searched job categories for Freelance Exercise Science jobs in California are:

What cities in California are hiring for Freelance Exercise Science jobs?

Cities in California with the most Freelance Exercise Science job openings:

Infographic showing various Freelance Exercise Science job openings in California as of August 2026, with employment types broken down into 100% Part Time. Highlights an 100% In-person job distribution, with an average salary of $97,931 per year, or $47.1 per hour.

$78 - $107/hr

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Medical, Life, Retirement, PTO

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Bio-Rad Laboratories rating

7.0

Company rating: 7.0 out of 10

Based on 25 frontline employees who took The Breakroom Quiz

74th of 102 rated chemical manufacturers


Job description

Bio-Rad is seeking a Science Copywriter to join its global Brand and Marketing Communications Department. This is a role for an early-career copywriter who is ready to move beyond proofreading, someone who wants to shape how complex science is communicated and who is eager to grow as a copywriter. The Science Copywriter helps ensure the clarity, consistency, and scientific accuracy of the materials Bio-Rad puts in front of a global customer base, across our clinical diagnostics and life science research portfolios.

A typical day begins with reviewing your project queue, checking in on active reviews, and setting your priorities. You can expect to spend your day balancing editing, writing, and project management responsibilities. This includes editing marketing and technical materials for clarity, accuracy, and audience; creating and updating content for a variety of channels and asset types; managing projects through the review and approval process; verifying product claims, specifications, and scientific statements against source materials; creating concepts for campaigns and tradeshows; and collaborating with stakeholders to resolve questions and incorporate feedback.

You will also write and revise content, route materials through regulatory review as required, pitch concepts to leadership, and attend project kickoffs and departmental meetings. Assets you may develop include brochures, flyers, application notes, case studies and testimonials, email and web campaigns, tradeshow collateral, social media, video scripts, and presentations. Emphasis will be placed on ensuring messaging is on-brand and connected across multiple related assets.

You will not be doing this alone. You will be supported by an experienced editorial team and onboarding into our style guide, review workflow, and product portfolio. We are looking for someone with solid fundamentals and genuine curiosity who will develop into a copywriter who can independently evaluate, refine, and improve content across a range of projects.

Working knowledge of Microsoft Office (Word, PowerPoint, Excel) is required. Familiarity with Adobe Acrobat and Workfront is a plus. Knowledge of the biological, life, diagnostics, or health sciences is a strong plus but not a prerequisite; a demonstrated ability to learn technical subject matter quickly matters more. Marketing experience is a significant plus.

Candidates may be asked to perform a practical editing exercise as part of the interview process.

This is a hybrid position expected to work at least 3 days per week from our headquarters in Hercules, CA. The remaining two days may be worked from the office or remotely.

How You'll Make An Impact
  • Edit substantively, not just superficially. Restructure, tighten, and rewrite marketing and technical copy for clarity, flow, and audience while preserving the original intent and voice
  • Safeguard scientific and product accuracy. Verify claims, specifications, and data against source materials, and flag issues for scientific, legal, and regulatory adherence and compliance
  • Help maintain consistency in brand voice and editorial standards, and contribute to the ongoing development of the team's style guide, glossary, and terminology resources
  • Provide tactful, well-reasoned feedback and queries that keep projects moving
  • Own the editorial workflow for assigned projects. Track versions and deadlines, coordinate cross-functional reviews, and draft short-form copy (headlines, subject lines, captions, callouts, boilerplate) as needed
What You Bring
  • Education: Bachelor’s degree or equivalent in English, Communications, Journalism, Life Sciences and/or Marketing
  • Work Experience: 1–3 years of editing, copywriting, or technical writing experience in science, healthcare, technology, or marketing. Relevant internships, academic or journal publishing, and substantial freelance work count
  • Strong command of written English and a working grasp of basic life science principles, paired with real curiosity about diagnostics and the science behind our products
  • Demonstrated experience working to an editorial style guide (AMA, Chicago, AP, or an internal guide), with an eye for detail and a drive for excellence
  • Self-directed and coachable. Able to structure their own workday across multiple projects with competing deadlines, ask good questions, apply feedback quickly, and grow into greater editorial responsibility

Location: This position must be based in Hercules, CA and requires the employee to be located within commuting distance of the office.

Total Rewards Package: At Bio-Rad, we’re empowered by our purpose and recognize that our employees are as well. That’s why we offer a competitive and comprehensive Total Rewards Program that provides value, quality, and inclusivity while satisfying the diverse needs of our evolving workforce. Bio-Rad's robust offerings serve to enrich the overall health, wealth, and wellbeing of our employees and their families through the various stages of an employee’s work and life cycle.

Benefits: We’re proud to offer a variety of options, including competitive medical plans for you and your family, free HSA funds, a new fertility offering with stipend, group life and disability, paid parental leave, 401k plus profit sharing, an employee stock purchase program, a new upgraded and streamlined mental health platform, extensive learning and development opportunities, education benefits, student debt relief program, pet insurance, wellness challenges and support, paid time off, Employee Resource Groups (ERG’s), and more!

Compensation: The estimated base salary range for this position is $77,600 to $106,700 at the time of posting. Actual compensation will be provided in writing at the time of offer, if applicable, and is based on several factors we believe fairly and accurately impact compensation, including geographic location, experience, knowledge, skills, abilities, and other job permitted factors. This position is eligible for a variable annual bonus, which is dependent upon achievement of your individual objectives and Company performance.

Who We Are: For 70 years, Bio-Rad has focused on advancing the discovery process and transforming the fields of science and healthcare. As one of the top five life science companies, we are a global leader in developing, manufacturing, and marketing a broad range of high-quality research and clinical diagnostic products. We help people everywhere live longer, healthier lives. Bio-Rad offers a unique employee experience with collaborative teams that span the globe. Here, you are supported by leadership to build your career and are empowered to drive change that makes an impact you can see.

EEO Statement: Bio-Rad is an Equal Employment Opportunity/Affirmative Action employer, and we welcome candidates of all backgrounds. Veterans, people with physical or mental disabilities, and people of all race, color, sex, sexual orientation, gender identity, religion, national origin and citizenship status are encouraged to apply.

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