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Freelance Science Writing Jobs in California (NOW HIRING)

Sapho Bio

GROWTH ENGINEER- Life Science

San Carlos, CA · On-site

$100K - $115K/yr

Internships, co-ops, student ventures, research projects, freelance work, and substantial portfolio ... Excellent written and verbal communication skills, demonstrated by the ability to translate ...

Phobio, LLC

GROWTH ENGINEER- Life Science

San Carlos, CA · On-site

$100 - $115/hr

Internships, co‑ops, student ventures, research projects, freelance work, and substantial ... Excellent written and verbal communication skills, demonstrated by the ability to translate ...

SaphoBio

GROWTH ENGINEER- Life Science

San Carlos, CA · On-site

$100K - $115K/yr

Internships, co-ops, student ventures, research projects, freelance work, and substantial portfolio ... Excellent written and verbal communication skills, demonstrated by the ability to translate ...

23andMe

Senior Brand Designer

Palo Alto, CA · On-site

$150 - $190/hr

When needed, brief, hire, and steer external design and video agencies and freelancers. Set the ... Partner closely with scientists, writers, communications, philanthropy, and partnership leads to ...

23andMe

Senior Brand Designer

Palo Alto, CA · On-site

When needed, brief, hire, and steer external design and video agencies and freelancers. Set the ... Partner closely with scientists, writers, communications, philanthropy, and partnership leads to ...

23andme

Senior Brand Designer

Palo Alto, CA · On-site

When needed, brief, hire, and steer external design and video agencies and freelancers. Set the ... Partner closely with scientists, writers, communications, philanthropy, and partnership leads to ...

Radical Numerics

Marketing Associate

San Francisco, CA · On-site

$70 - $90/hr

Source, brief, and manage specialized vendors and freelancers (designers, video producers ... and scientific teams--you don't need to be the primary writer of technical content, but you know ...

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Freelance Science Writing information

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How much do freelance science writing jobs pay per hour?

As of Aug 27, 2026, the average hourly pay for freelance science writing in California is $22.97, according to ZipRecruiter salary data. Most workers in this role earn between $20.14 and $25.87 per hour, depending on experience, location, and employer.

What is freelance science writing?

Freelance science writing involves creating articles, reports, blog posts, or other written content about scientific topics for various clients on a contract basis. Science writers translate complex research and scientific concepts into clear, engaging language for a range of audiences, such as the general public, students, or industry professionals. Freelancers in this field work independently, often pitching story ideas to magazines, websites, or organizations, and may write about subjects like health, technology, environment, or space. This career requires strong writing skills, a solid understanding of scientific topics, and the ability to communicate clearly with both scientists and non-experts.

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

To thrive as a Freelance Science Writer, you need a solid understanding of scientific concepts, excellent writing skills, and typically a degree in science or journalism. Familiarity with research databases, citation management software, and content management systems is often required. Strong soft skills include curiosity, self-motivation, and the ability to communicate complex information clearly for diverse audiences. These skills ensure accuracy, credibility, and engaging content that meets the needs of clients and readers.

How do freelance science writers typically find and secure consistent work?

Freelance science writers often secure assignments by building strong relationships with editors, pitching story ideas to publications, and maintaining an updated portfolio of their work. Many also join professional networks or online platforms dedicated to freelance writing, which offer job listings and opportunities to connect with potential clients. While the freelance landscape can be competitive, regularly pitching fresh, timely ideas and demonstrating expertise in specific scientific fields can help writers develop a steady workflow over time.

What is the difference between Freelance Science Writing vs Scientific Content Writer?

AspectFreelance Science WritingScientific Content Writer
CredentialsTypically requires a degree in science or related field, writing experienceOften requires a degree in science, communication, or journalism
Work EnvironmentIndependent, remote, project-basedUsually employed by companies, agencies, or media outlets
Employer & IndustryClients across various industries, including publishing, education, biotechOrganizations producing scientific articles, reports, or educational content

Freelance Science Writers work independently on diverse projects for multiple clients, often remotely. Scientific Content Writers are typically employed by organizations to produce consistent scientific materials. Both roles require scientific knowledge and strong writing skills, but Freelance Science Writers enjoy more flexibility and varied assignments, while Scientific Content Writers often have a more structured work environment.

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

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

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

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

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

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

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

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

Freelance Science Writing jobs near you
Infographic showing various Freelance Science Writing job openings in California as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 17% Part Time, and 2% Contract. Highlights an 73% Physical, 4% Hybrid, and 23% Remote job distribution, with an average salary of $47,778 per year, or $23 per hour.

Hiring Freelance Academic Editors

Crimson Interactive

San Francisco, CA

Part-time

Re-posted 25 days ago

Job description

Company Description

Crimson Interactive is an ISO-certified organization (ISO 9001:2008) providing Japanese and English language solutions to customers globally. Our brands deliver services in three professional areas:


Editing (www.enago.com)

Translation (www.ulatus.com)

Transcription (www.voxtab.com)

Since our inception in 2005, we have moved from strength to strength and now have a team of several hundred translators operating all over the globe. We also successfully partnered with Japan's largest Academic Publisher, Maruzen, and the second largest publisher in the world, Dai Nippon Publishing (DNP), for their editorial and translation needs.

Crimson is a company where cultures across boundaries thrive together. We have Japanese, Chinese, Koreans, Taiwanese, and Indians working for a common objective. We have clients in various geographies-Japan, China, Taiwan, Germany, Korea, the US, UK, etc.

Please do visit http://www.crimsoni.com/crimson-videos.htm to watch some videos about "Life at Crimson" and "Expats working at Crimson".


Job Description

Job description

We are looking for experienced copy editors & substantive editors in Physics, Engineering and Medicine with a core academic background.

Qualities we look for in our freelance editors:

  • Proficiency and competence in the most widely spoken language across the world-English!
  • Knack for diligently editing, restructuring, and polishing articles written by non-native speakers, with least 5 years of relevant copyediting/academic editing experience
  • Extensive subject matter expertise

We prefer editor profiles that reflect

  • Research experience (studies conducted, papers written/published, papers reviewed, etc.)
  • Certificate/experience in academic editing, publishing, scientific communication, and journal article writing
  • Extensive experience in editing ESL (English as a Second Language) manuscripts
  • Knowledge of the style (such as APA, CMS, AMA, CSE, IEEE) and conventions followed in academic writing
  • Member of acclaimed editing and publishing associations such as EFA, EASE, BELS

A glimpse at what you would edit:

You will be assigned papers of varying difficulty levels (in terms of English, subject matter expertise, and the extent of revision needed) written by non-native speakers in either English or their native language (translated papers). These papers written by what we believe constitute an eclectic group of authors and writers, i.e., we receive work from not only scientists, researchers, and students but also corporates, linguists, and the common man trying to communicate in English--from the latest in cutting-edge technology to the timeless fascination with history and arts!

Our freelance editors should ensure:

  • Immaculate grammar, punctuation, sentence structure, and word choice
  • Flow, transition, correct terminology, correctness of content, and coherence
  • Appropriate manuscript format* that conforms to academic conventions in terms of citation style, layout, section headings, and tense usage
  • Preservation of the author's intended meaning even in papers where the content requires extensive revision *Freelance editors also thoroughly format the manuscript as per mentioned journal guidelines when clients opt for our journal formatting service.

Enago will ensure

  • Possibility of a guaranteed monthly income while freelancing: Apart from offering work in the typical freelancing manner, we also offer opportunities that guarantee a minimum monthly/annual income, along with the possibility of an additional annual bonus (monetary), based on your performance.
  • A smooth performance-driven progression curve with an effective feedback mechanism: This ensures that the expectation mismatch is nearly zero. In the past, the strong professional bonding with our freelance editors has also led to mutual recommendations-a definite plus factor!
  • A rewarding experience, both monetarily and intellectually: You will get the opportunity to apply your domain knowledge and skills to help non-native authors present their work to the world through esteemed journals and renowned conferences, with the flexibility of timings dedicated to editing.
Additional Information

All your information will be kept confidential according to EEO guidelines.

Apply