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How much do freelance chemistry jobs pay per hour?

As of Aug 23, 2026, the average hourly pay for freelance chemistry in the United States is $22.26, according to ZipRecruiter salary data. Most workers in this role earn between $18.27 and $24.52 per hour, depending on experience, location, and employer.

What is freelance chemistry?

A Freelance Chemistry job involves providing chemistry-related expertise and services on a contract or project basis rather than working as a full-time employee. Freelance chemists may work in research, product development, laboratory analysis, technical writing, or consulting for clients in industries like pharmaceuticals, environmental science, and manufacturing. They typically set their own schedules, choose their projects, and may work remotely or on-site depending on the job requirements.

What are the key skills and qualifications needed to thrive in freelance chemistry?

To thrive as a Freelance Chemistry professional, you need a strong academic background in chemistry or a related field, coupled with laboratory and analytical experience. Familiarity with lab instrumentation, chemical analysis software, and safety certifications are commonly required. Time management, effective communication, and client relationship skills help set successful freelancers apart. These abilities are crucial to delivering reliable results, managing multiple projects, and building a sustainable freelance career.

What types of projects do freelance chemistry professionals typically work on?

Freelance Chemistry professionals often work on a wide range of projects, including laboratory testing, chemical analysis, writing scientific reports, regulatory compliance consulting, or providing subject matter expertise for educational content. Clients may come from sectors such as pharmaceuticals, environmental science, agriculture, food safety, or education. Freelancers can expect to collaborate remotely with clients, sometimes joining virtual meetings to discuss project requirements and results. This variety allows for flexibility and skill development, but also requires adaptability and strong organizational skills to manage multiple clients and deadlines.

What jobs should I do if I like chemistry?

A person interested in chemistry can pursue roles such as a chemist, chemical technician, or laboratory analyst, which involve conducting experiments, analyzing substances, and developing products. These jobs typically require a degree in chemistry or a related field and may involve working in laboratories, manufacturing, or research settings.
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Infographic showing various Freelance Chemistry job openings in the United States as of August 2026, with employment types broken down into 25% Full Time, 62% Part Time, and 13% Contract. Highlights an 75% In-person, and 25% Remote job distribution, with an average salary of $46,292 per year, or $22.3 per hour.

After-School Science Instructor - Part-Time Weekday Afternoons

Mad Science of St. Louis

Saint Louis, MO • On-site

$20/hr

Part-time

Posted 26 days ago


Job description

Benefits:
  • Great resume builder
  • Fine-tune classroom management skills
  • Fun work environment
  • Free snacks

Turn Curiosity Into DiscoveryMad Science of St. Louis is looking for dependable and engaging instructors to lead hands-on science enrichment programs at elementary schools throughout the St. Louis area.
You do not need to be a scientist or a certified teacher. We provide the curriculum, experiments, equipment, materials, training, and ongoing support. You provide the enthusiasm, professionalism, and ability to create a positive experience for children.
This is a very part-time position intended to supplement and complement another job, college schedule, freelance work, retirement, or other activities.
What the Position Looks Like
Mad Science instructors typically teach 2-4 afternoons per week, depending on their availability and the program schedule.
Each class lasts approximately one hour and generally begins between 3:00 and 4:00 p.m. Instructors travel directly to participating elementary schools and lead groups of approximately 10 to 20 students.
Programs feature exciting, hands-on science activities involving topics such as chemistry, physics, engineering, electricity, space, forces, motion, and more.
Your Responsibilities
As a Mad Science instructor, you will:
  • Lead interactive, hands-on science lessons for elementary-age children
  • Demonstrate experiments and explain scientific concepts in an age-appropriate way
  • Encourage children to participate, ask questions, and explore
  • Prepare and organize materials before each program
  • Clean and repack equipment after class
  • Transport program materials to and from assigned schools
  • Communicate professionally with school staff and the Mad Science office
  • Follow all company, school, and child-safety procedures
  • Arrive at each program prepared and on time
 Schedule and Compensation 
  • Pay: $20 per hour (Pays 2-hour minimum per assignment)
  • Employment type: Part-time
  • Typical schedule: Two to four weekday afternoons per week
  • Class duration: Approximately one hour
  • Typical starting time: Between 3:00 and 4:00 p.m.
  • Program location: Elementary schools throughout the St. Louis area
  • Training and office location: University City, Missouri

What Mad Science Provides
We make it easy for instructors to deliver a high-quality program. Mad Science provides:
  • Professionally developed science curriculum
  • Detailed lesson plans and teaching instructions
  • Experiments, equipment, and program materials
  • Initial training and ongoing support
  • A flexible, very part-time weekday schedule
  • Opportunities to teach at different schools throughout the area
  • The chance to make science exciting and approachable for children
Required Qualifications
Applicants must:
  • Enjoy working with elementary-age children
  • Be energetic, dependable, patient, and professional
  • Be comfortable speaking in front of and managing a group
  • Be available on at least two weekday afternoons
  • Have a valid driver’s license and reliable transportation
  • Be able to travel to schools throughout the St. Louis area
  • Be able to carry and transport program equipment and supplies
  • Be able to follow a structured curriculum and lesson plan
  • Communicate clearly with children, school personnel, and office staff
  • Complete required training and applicable background-screening requirements
Helpful Experience
Experience in any of the following areas is helpful but not required:
  • Teaching, substitute teaching, tutoring, or classroom assistance
  • Camps, childcare, after-school programs, or youth organizations
  • Theater, public speaking, performance, or group presentations
  • Science, technology, engineering, education, or related coursework
  • Coaching or leading activities for groups of children
 A science degree and teaching certificate are not required. 
Who Does Well in This Position?
Successful Mad Science instructors are enthusiastic presenters who can follow a prepared lesson while making it feel exciting and interactive. They are comfortable being a little theatrical, keeping children engaged, maintaining appropriate classroom boundaries, and adapting when a group needs additional direction.
This position can be a particularly good fit for:
  • College students
  • Substitute teachers
  • Retired educators
  • Teaching assistants
  • Actors and performers
  • Youth-program professionals
  • Individuals looking for meaningful, flexible afternoon work
Learn More and Apply
Learn more about working with Mad Science of St. Louis:
https://stlouis.madscience.org/workforus
To apply, please complete our online employment application:
https://stlouis.madscience.org/workforus-application.aspx
Qualified applicants will be contacted regarding the next step in the interview process. Interviews are conducted at our office in University City and generally last a little less than one hour.