88 freelance English-speaking jobs in Lisbon

Freelance Data Scientist to design and develop computationally intensive data science problems using Python and SQL. Must have 5+ years of experience, expertise in Python libraries (Pandas, NumPy, Scikit-learn), statistical analysis, and machine learning.

Freelance AI trainer needed to design computational physics problems requiring Python programming. Must have a physics degree, Python proficiency, and experience with numerical simulation methods.

Join Cross Border Talents as a Freelance Recruiter and work with a global network of professionals across

Freelance Junior Journalist will train AI models to understand and generate human-like text. Tasks include crafting responses, generating prompts, defining scoring criteria, and ensuring quality.

Freelance AI trainer needed to design computational chemistry problems requiring Python programming. Must have a chemistry degree, Python proficiency, and experience with numerical methods in chemistry.

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.

:Remote (Portugal-based candidates preferred) Contract Length:6 months Start:ASAP Type:Contractor / Freelance

About the Role This is a freelance role for a Tendem project. ... Benefits Why this freelance opportunity might be a great fit for you?

About the Role This is a freelance role for a Tendem project. ... Benefits Why this freelance opportunity might be a great fit for you?

About the Role This is a freelance role for a Tendem project. ... Benefits Why this freelance opportunity might be a great fit for you?

PERFECT REMOTE FREELANCE OPPORTUNITY FOR A SENIOR BUSINESS INTELLIGENCE SOLUTIONS DEVELOPER TO BE A PART

Senior Consultants with 3+ years of experience at top-tier firms (McKinsey, BCG, Bain, etc.) are needed to build realistic consulting project environments for AI training.

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.

Business Development Partner will identify companies needing digital solutions and manage full-cycle B2B sales processes. Experience in tech sales, strong communication skills, and a self-driven mindset are required.

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

We do provide more security than a pure freelance contract, as we work with a30-day notice period(on ... ambition to become the #1 B2B Marketing Agency worldwide in the next ten years.Work setup We work with freelance

(no need to be an expert)Role detailsStart : ImmediateLocation : Remote, based inLisbonEngagement : Freelance

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