75 freelance English-speaking jobs in Lisbon

Freelance AI Evaluation Engineer needed to create challenging coding test cases for AI systems. Requires 5+ years of Python development experience, full-stack development skills, and experience writing functional and integration tests.

Freelance AI trainer needed to design mathematics problems, evaluate AI solutions, and validate calculations using Python. Must have a degree in Mathematics or related field, 3+ years of experience, strong Python proficiency, and excellent written English.

Physics Researcher needed for part-time, project-based AI training. Design physics problems, evaluate AI solutions, and validate calculations using Python.

Electrical Engineer with Python expertise sought for part-time, project-based AI training. Design electrical engineering problems, evaluate AI solutions, and validate calculations using Python. Strong written English and 3+ years of experience required.

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 or equivalent and 2+ years of experience.

Senior Consultant with 3+ years at a top-tier strategy consulting firm (McKinsey, BCG, Bain, etc.) needed to design and evaluate AI-powered consulting project scenarios.

Flexible, fully remote freelance work that fits your current commitmentsApply your expertise to a rapidly

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

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

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

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

years of experience in direct-response creative strategy for DTC e-commerce (brand-side, agency, or freelance

Valid employment contracts or proof of freelance income from foreign sources.