61 freelance English-speaking jobs in Lisbon

Visit.org is looking for a passionate and ambitious Freelance In-Person Event Host in Lisbon, Portugal

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 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.

, and mobile games.Inclusive, diverse, and collaborative international team culture.Opportunity for freelance

technologies.BenefitsFull remote flexibility with the ability to work from anywhere worldwide.Long‐term freelance

are seeking a passionate and driven A&R Outbound Sales Representative to join our team on a remote, freelance

Experienced IT Procurement Specialist needed for software procurement, contract management, and supplier negotiations. Minimum 5 years of experience in vendor management, contract negotiation, and international environments required.

Freelance Data Analyst (Python) - AI TrainerStudent Intern - Data Analyst & AdministratorWe're unlocking

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.

indexing, or query optimizationHave done any kind of customer‐facing technical work — support, consulting, freelance

To simplify hiring outside our registered countries, we engage global talent through freelance contracts.Ready

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

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

entrepreneurial spirit and has a passion for international travel.This is aninternational, fully-remote, freelance

laws in each country, the easiest way to hire talent outside of our registered countries is through freelance