54 freelance English-speaking jobs in Lisbon

need to be an expert) Role details Start : Immediate Location : Remote, based in Lisbon Engagement : 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.

Tech Freelance Recruiter (Startups and Scaleups - Remote - LX) Talent Attraction Talent Scout | Lisbon

Contract & Compensation Freelance / contractor role. Initial 6‐month engagement.

brand to life in your assigned city Build, train, and manage a small core team (2–3 people), along with 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.

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.

Product Designer (UX/UI) – Remote – Freelance Portugal $75,000.00-$115,000.00 7 months ago Rev-celerator

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

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

Experience building hiring pipelines for freelance and contingent talent.

Please note that this role is based on a freelance agreement.

work Care Days — time off besides holidays Flexibility on contract — open to full‐time in‐house or freelance

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