80 freelance English-speaking jobs in Lisbon

Design computational material science problems for a frontier AI model using tools like ObsPy, instaseis, pyrocko, MITgcm, flopy/MODFLOW, or others. Write Python reference solutions and test problem difficulty against the model.

Portuguese Language Specialist (Portugal) - Freelance AI Trainer Project PortugalAre you a Portuguese

Freelance Data Scientist to design and develop computationally intensive data science problems using Python and SQL. Must have 5+ years of experience, expertise in Python libraries (Pandas, NumPy, Scikit-learn), statistical analysis, and machine learning.

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

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.

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

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

We do provide more security than a pure freelance contract, as we work with a30-day notice period(on ... ambition to become the #1 B2B Marketing Agency worldwide in the next ten years.Work setup We work with freelance

Role is on-site in Lisbon; not open to freelance or contract arrangements Recruitment Team may reach

Freelance videographer needed to capture B-roll video, photos, and headshots in a Lisbon office. Must have a strong portfolio demonstrating expertise in both video and photo content and the ability to direct shoots efficiently. Professional equipment is required.

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.

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.

Lisbon-Based | Freelance Contract | Monthly Base Fee Feraboli Real Estate is hiring a Listing Curator

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.

$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.

-5 years of professional experience as a video editor, post-production specialist, or similar role (freelance