Great! Here's the filtered list by skill category — so you can focus on where AI/ML Engineers, Data Scientists, and UX Designers should look specifically for remote/freelance work. I’ve also included platforms with high-paying potential under each section 👇

🔬 AI / Machine Learning Engineers

Platforms with high volume & good pay:

1. Toptal – Elite clients, strict vetting, high pay

2. Upwork – Tons of jobs, some very high-paying gigs

3. Turing – Full-time remote AI roles, vetted access

4. Hired – Strong for AI/ML developers (US, EU, India-friendly)

5. AngelList Talent (Wellfound) – Startups hiring AI contractors

6. Remotive – Filter AI/ML remote jobs

7. Scalable Path – Remote ML/AI project gigs

8. Freelancer – Volume platform, includes ML model training jobs

9. Guru – Growing list of AI/ML contracts

10. Fiverr – Quick AI gigs like chatbot creation, image classification, etc.

📊 Data Scientists / Analysts

Best mix of gigs + long-term contracts:

1. Upwork – Strong demand for dashboards, predictive models, analytics

2. Toptal – Ideal for experienced Data Scientists (high-paying)

3. Turing – DS roles with long-term potential

4. Kolabtree – Scientific/healthcare projects with data science needs

5. Freelancer – Wide variety of data wrangling, mining, and visualization jobs

6. PeoplePerHour – Smaller, but includes Power BI, ML modeling gigs

7. AngelList Talent – Startups often look for DS contractors

8. Guru – Less crowded, includes data research gigs

9. Remotive – Clean interface, curated jobs in data

10. Fiverr – Common gigs: data cleaning, EDA, dashboards

🎨 UX / UI / Product Designers

Best platforms to land design projects (web/app focus):

1. Toptal – High-paying, professional clients

2. Dribbble Freelance – Industry favorite for UX/UI work

3. Upwork – High demand for UX prototyping, UI kits, app/web design

4. AngelList Talent – Product design roles from tech startups

5. Fiverr – Fast gigs: Figma, app wireframes, usability testing

6. 99designs – Premium clients, but competitive

7. DesignCrowd – Good for creative contest-based gigs

8. PeoplePerHour – UK and EU-based clients, UI design focus

9. Hired – Long-term or full-time product design roles

10. Remotive – Great for digital designers seeking remote work

🏆 Highest-Paying Platforms Overall

If your main focus is income potential, consider these first:

1. Toptal – 💰 Best for high-end clients (across AI, DS, UX)

2. Turing – 🔒 Vetted entry, but solid income (especially for AI/DS)

3. Upwork (Top Rated) – 💼 Consistent earnings possible with reputation

4. Hired – 🧠 Great for long-term remote contracts

5. AngelList Talent – 🚀 Startups with equity & cash offers