56 freelance English-speaking jobs in Lisbon

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.

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

projects alongside leading research labs Fully remote and flexible — work when and where it suits you Freelance

projects alongside leading research labs Fully remote and flexible — work when and where it suits you Freelance

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

We work with the best freelance writers who love going viral and want to do it every day.

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

AI.Impactful, challenging work with direct business influence.Competitive salary and benefits (full‐time or freelance

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.

hands‐on experience as a WordPress Developer in a professional setting (agency, in‐house, or serious freelance

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.

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

largest linguistic network, including more than 1,600 in-house translators and in excess of 29,000 freelance

great workCare Days — time off besides holidaysFlexibility on contract — open to full‐time in‐house or freelance

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

Senior UI/UX Designer (Freelance, Remote)We're unlocking community knowledge in a new way.