60 freelance English-speaking jobs in Lisbon

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

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.

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.

$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.

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

Experienced IT Procurement Specialist needed for software procurement, contract management, and supplier negotiations. Minimum 5 years of experience in vendor management, contract negotiation, and international environments required.

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.

Portugal Is Required)Machine Learning Platform Engineer (M/F) - Remote (Living In Portugal Is Required)Freelance

accessibility and usability Knowledge of Portuguese, Italian, or Spanish Any personal, university, or freelance

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

HaveLeadership experience within a talent acquisition function.Experience building hiring pipelines for freelance

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

Meeting bonus: EUR 25–50 per qualified meeting On-target monthly earnings: EUR 800–1,200+ Arrangement: Freelance

months per customer On-target earnings (OTE): EUR 4,000–5,000/month when hitting quota Arrangement: Freelance

Full Stack Data Analyst - Critical Data ProductsFull Stack Data Analyst - Critical Data ProductsTech Freelance

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

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

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