69 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.

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 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.

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

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

Simple task, remote, global participation.We are hiring freelance contributors worldwide to help us collect

Graphic & Digital Designer – Global Brand Global Fashion retail Brand is now looking for freelance designers

Lisbon-Based | Freelance Contract | Monthly Base Fee Feraboli Real Estate is hiring a Listing Curator

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

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

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

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 Data Analyst (Python) - AI TrainerStudent Intern - Data Analyst & AdministratorWe're unlocking

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

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