61 freelance English-speaking jobs in Lisbon

Freelance mathematicians with a degree and 2+ years of experience are sought to design problems, evaluate AI solutions, and improve AI reasoning for leading tech companies.

Freelance peer reviewers needed for civil, mechanical, and computer science journals. PhD or equivalent required, with at least two publications in the last two years. Strong analytical and writing skills, experience with manuscript review systems preferred.

Freelance AI trainer needed to design computational physics problems requiring Python programming. Must have a physics degree, 2+ years experience, and strong Python skills (NumPy, SciPy, Sympy).

Freelance perks: autonomy, flexibility, and global collaboration. Potential for contract extension.

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 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.

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

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

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.

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

Competitive salary and benefits (full‐time or freelance). Flexible hours and remote work options.

Freelance agent commercial/sales or experienced B2B sales profile Background in corporate services, ... commercial partner - Pursue ongoing commission and act as the first touchpoint for client Ideal Candidate - Freelance

Freelance Data Analyst (Python) - AI Trainer Student Intern - Data Analyst & Administrator We're unlocking

We are looking for a part time freelance Senior Compensation Analyst to implement, manage and improve

for the assigned city   Recruit, train, and lead a small central team (2-3 persons) as well as a few freelance

reporting, and coordination, and you'll need to do it well Experience in a startup, consulting, or freelance

Title: Influencer & Talent Agent Location: 📍 Remote (Work from Anywhere) Job Type: ⏰ Full-Time Freelance

Experience building hiring pipelines for freelance and contingent talent.

Full Stack Data Analyst - Critical Data Products Full Stack Data Analyst - Critical Data Products Tech Freelance