80 freelance English-speaking jobs in Lisbon

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

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

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.

Site Reliability Engineer needed for a B2B or freelance contract role in Lisbon. Requires strong DevOps skills (Jenkins, Git, Bitbucket), Linux proficiency, SQL expertise, and experience with monitoring tools (Splunk, Dynatrace).

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

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.

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

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.

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

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

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

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.

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