56 freelance English-speaking jobs in Lisbon
Freelance MLOps Engineer — Deploy & Optimize AI (Remote)
- 10x.Team
- Lisbon
- May 25
About Us10x Team connects freelance professionals with leading AI labs to develop advanced AI models, ... Available 8–20 hours per week and reliable in communications Why Join 10x TeamFlexible, project‐based freelance
Freelance Peer Reviewer - Liposarcoma
- Cactus Communications
- Lisbon
- May 20
Freelance peer reviewers with a PhD/MD and two recent publications in Liposarcoma are needed to assess manuscript novelty, study design, literature review, results, and provide constructive feedback.
Freelance Peer Reviewer - Clinical Psychiatry
- Cactus Communications
- Lisbon
- April 30
Freelance peer reviewers with a doctorate in clinical psychiatry are needed to assess manuscripts for originality, study design, literature review, results, and conclusions.
Alentejano Dialect Specialist - Freelance AI Trainer Project
- Invisible Agency
- Lisbon
- April 30
internet; company‐sponsored benefits such as health insurance and PTO do not apply.Employment Type Freelance
Freelance Mathematics Expert - AI Trainer
- Mindrift
- Lisbon
- April 17
Freelance Peer Reviewer, Civil Engineering, Mechanical Engineering, Computer Science
- Cactus Communications
- Lisbon
- May 4
Freelance peer reviewers needed for civil, mechanical, and computer science journals. Must have a doctorate, at least two publications in the last two years, and strong analytical and writing skills.
Portuguese Language Specialist (Portugal) - Freelance AI Trainer Project
- Invisible Agency
- Lisbon
- April 30
Portuguese Language Specialist (Portugal) - Freelance AI Trainer Project PortugalAre you a Portuguese
Freelance Recruiter (International Markets)
- Cross Border Talents
- Lisbon
- May 3
Join Cross Border Talents as a Freelance Recruiter and work with a global network of professionals across
Optical Engineer with Python - Freelance AI Trainer
- Mindrift
- Lisbon
- April 24
Senior Data Scraping Engineer (Python)
- Mindrift
- Lisbon
- May 5
Digital Designer
- Ventula Consulting
- Lisbon
- April 30
Graphic & Digital Designer – Global Brand Global Fashion retail Brand is now looking for freelance designers
Civil Engineer & Python Expert - Freelance AI Trainer
- Mindrift
- Lisbon
- April 28
Lead AI Engineer
- Upwork
- Lisbon
- February 27
Head of Sales — Datacenter Services (Europe)
- RM Staffing B.V.
- Lisbon
- March 2
Senior Lead Machine Learning Engineer, Agentic AI
- Upwork
- Lisbon
- February 27
Sr Lead AI Research Scientist, AI Foundations
- Upwork
- Lisbon
- February 27













































