105 freelance English-speaking jobs in Lisbon District

Freelance AI trainer needed to design computational chemistry problems requiring Python programming. Must have a chemistry degree, Python proficiency, and experience with numerical methods in chemistry.

Freelance mathematicians with a degree and 2+ years of experience are sought to design problems, evaluate AI solutions, and improve AI reasoning for leading tech companies.

Freelance AI trainer needed to design computational physics problems requiring Python programming. Must have a physics degree, 2+ years experience, and strong Python skills (NumPy, SciPy, Sympy).

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.

Freelance AI trainer needed to design and develop computational biology problems requiring Python programming. Must have a biology degree, Python proficiency, and experience with biological data analysis and algorithms.

Freelance AI trainer needed to design computational physics problems requiring Python programming. Must have a degree in Physics or related field, 2+ years of experience, and strong Python skills.

Freelance optical engineer with Python experience needed to design and develop computationally intensive physics problems. Must have strong Python skills (Numpy, SciPy, Sympy) and experience with numerical simulation methods.

Freelance AI trainer needed to design computationally intensive mathematical problems requiring Python programming. Must have a degree in Mathematics or related field, Python proficiency, and experience with numerical methods and symbolic computation.

Freelance English writers train AI models by crafting text that teaches AI reasoning, logic, and clarity. Contributors create original, fact-checked responses, collaborate with Quality Assurance Specialists, and adhere to style and quality standards.

research labs and healthcare innovators Fully remote and flexible—work when and where it suits you Freelance

cancer research is understood and advanced Fully remote and flexible — work when and where it suits you Freelance

to $32/hour depending on your skills, experience, and project needsTake part in a flexible, remote, freelance

to $30/hour depending on your skills, experience, and project needs.Take part in a flexible, remote, freelance

Freelance Mechanical Engineer and Python expert needed for AI training projects. Design computational engineering problems, create Python-based solutions, and verify results. Requires a degree in Mechanical Engineering or related field, Python proficiency, and 2+ years of experience. Strong written English (C1+) is essential.

Civil Engineer with Python expertise sought for part-time, project-based AI training. Design computational engineering problems, requiring Python programming and numerical methods. Must have a Civil Engineering degree, 2+ years of experience, and strong written English.

companies connects businesses with global, AI enabled talent across every contingent work type including freelance

months per customer On-target earnings (OTE): EUR 4,000–5,000/month when hitting quota Arrangement: Freelance

Meeting bonus: EUR 25–50 per qualified meeting On-target monthly earnings: EUR 800–1,200+ Arrangement: Freelance

Meeting bonus: EUR 25–50 per qualified meeting On-target monthly earnings: EUR 800–1,200+ Arrangement: Freelance

months per customer On-target earnings (OTE): EUR 4,000–5,000/month when hitting quota Arrangement: Freelance