68 freelance English-speaking jobs in Lisbon

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 optical engineer with Python experience needed to design and develop computationally intensive physics problems. Must have strong Python skills (Numpy, SciPy, Sympy) and experience with numerical simulation methods.

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.

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

results-driven attitude Ability to work independently and manage your own territory Status:independent / freelance

Graphic Designer – Global Brand – Figma - Porto (Hybrid) Global Designer Brand is now looking for freelance

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 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

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

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.

retreats to foster team connection and alignment This is a long‐term contractor role (not a temporary freelance

We are looking for a Senior Salesforce Marketing Cloud Developer (freelance) to deliver large and complex

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

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

Formed, a digital studio, seeks a Business Development Partner to manage the full sales cycle for IT services (Webflow, AI, no-code) to startups and innovative companies globally.

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.

DesignRush by 2x Sign in to set job alerts for "Journalist" roles.Proofreader/Copy Editor (Remote, Contract)Freelance