Product Development
Im lookojg for some one with experience in synthetic organic chemistry.
USD 80 per hour
Hourly fee
Lookojg for some one with experience in synthetic organic chemistry to help me develop a medecine. Would like to have a chat First before going into d ...
Read more
November 26, 2025
Urgently, within 1-2 days - I have work that needs to be completed within a few days.
Product Development
A cosmetic-formulation chemist experienced in transdermal topical analgesics. Not beauty serums. Not
USD 40 per hour
Hourly fee
A cosmetic-formulation chemist experienced in transdermal topical analgesics. Not beauty serums. Not perfumes. Not moisturisers. I want someone who ha ...
Read more
November 26, 2025
I'll decide later
Writing
Ongoing Scientific Writer for Environmental Health Reports (Part-Time)
USD 16 per hour
Hourly fee
Remote • 18–24 hours/week • Flexible scheduleWe are looking for a part-time scientific writer who can interpret environmental testing data (air, water ...
Read more
November 26, 2025
Within a week - I'd like an expert to get started as soon as possible
Consulting
Aquaculture/RAS Expert Needed to Review Tilapia System Quotations (30–100 Ton Capacity)
USD 400 - USD 3200
Fixed fee
I am developing a commercial tilapia aquaculture project in Kinshasa, DRC, and I need an experienced Recirculating Aquaculture System (RAS) expert to ...
Read more
November 25, 2025
Urgently, within 1-2 days - I have work that needs to be completed within a few days.
Consulting
Formula Scientist/Chemist for Green/Plant Based Housekeeping/Cleaning Chemicals
USD 400 - USD 2000
Fixed fee
Project Title:
Development of Eco-Friendly, Plant-Based Cleaning Chemical Formulations.
About the Project:
We are launching a new line of green, plan ...
Read more
November 25, 2025
Within a week - I'd like an expert to get started as soon as possible
Consulting
bench samples and sensory development for my beverage
USD 400 - USD 2000
Fixed fee
Hello- I am working on a new beverage brand focused on naturally flavored, zero-sugar still waters centered around emotional wellness. We’re beginnin ...
Read more
November 25, 2025
I'll decide later
Product Development
Create a shelf stable formulation
USD 400 - USD 1200
Fixed fee
This project involves taking an existing recipe for a coffee syrup and converting it into a shelf stable formulation that will be market ready.
... Read more
January 23, 2026
Longer than a month - I'd like to identify some experts to work with but the work might start later
Data & AI
The Price of Delay: A Pan-Cancer Analysis of Insurance-Related Disparities in Emergency Presentation
USD 400 - USD 800
Fixed fee
Dataset: National Inpatient Sample (NIS), 2018–2020
1. Primary Analyses
Survey-weighted multivariable logistic regression
Stratification by cancer t ...
Read more
November 25, 2025
Within a week - I'd like an expert to get started as soon as possible
Research
Domain Expert Question Writer (Radiologist)
USD 200 - USD 400
Fixed fee
ROLE OVERVIEW:Greystack is seeking experienced radiologists to develop high-quality GPQA (Graduate-Level, Google-proof Q&A) questions for AI evalu ...
Read more
November 26, 2025
Within a week - I'd like an expert to get started as soon as possible
Product Development
Need chemist to formulate hair products shampoo conditioner and hair cream for afro curly hair
USD 40 per hour
Hourly fee
We would like to create 3 products for afro curly hair.
A shampoo gentle cleanse some slip
A conditioner with a huuuuge slip!! (Very slippery)
And a ...
Read more
November 25, 2025
Within a week - I'd like an expert to get started as soon as possible
