72 freelance English-speaking jobs in Lisbon

This flexible freelance role allows you to set your own schedule, making it an ideal supplement to your

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 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.

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.

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

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

Freelance AI trainer needed to design and develop material engineering problems requiring Python programming. Must have a degree in Material Science or related field, Python proficiency, and 2+ years of professional experience.

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.

shaping the future of healthcare Fully remote and flexible — work on your schedule, wherever you are Freelance

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

Freelance AI trainer needed to design and develop computationally intensive engineering problems using Python. Must have a degree in Electrical Engineering or related field, 2+ years of experience, and strong Python proficiency for numerical validation.

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

research labs and healthcare innovators 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

cancer research is understood and advanced Fully remote and flexible — work when and where it suits you 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.

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

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