81 freelance English-speaking jobs in Lisbon

Freelance Junior Journalist will train AI models to understand and generate human-like text. Tasks include crafting responses, generating prompts, defining scoring criteria, and ensuring quality.

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.

PERFECT REMOTE FREELANCE OPPORTUNITY FOR A SENIOR BUSINESS INTELLIGENCE SOLUTIONS DEVELOPER TO BE A PART

Flexible, fully remote freelance work that fits your current commitmentsApply your migration expertise

This flexible freelance role allows you to set your own schedule, making it an ideal supplement to your

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

Senior Consultants with 3+ years of experience at top-tier firms (McKinsey, BCG, Bain, etc.) are needed to build realistic consulting project environments for AI training.

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.

Business Development Partner will identify companies needing digital solutions and manage full-cycle B2B sales processes. Experience in tech sales, strong communication skills, and a self-driven mindset are required.

results-driven attitude Ability to work independently and manage your own territory Status:independent / freelance

Freelance AI trainer needed to design and develop material engineering problems requiring Python programming. Must have a degree in Material Science or related field, Python proficiency, and 2+ years of professional experience.

Freelance AI trainer needed to design and develop computationally intensive statistical problems requiring Python programming. Must have a degree in Statistics or related field, 2+ years of experience, and strong written English.

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.

$60,000.00-$100,000.00 1 week ago Portugal $203,320.00-$227,240.00 1 month ago Solution Architect - Freelance

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.

Job Description We are looking for a part time freelance Senior Compensation Analyst to implement, manage

chances of interviewing at Randstad Enterprise by 2x Sign in to set job alerts for "Recruiter" roles.Tech Freelance

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

accessibility and usabilityKnowledge of Portuguese, Italian, or SpanishAny personal, university, or freelance