84 freelance English-speaking jobs in Lisbon

of Generative AI by tapping into real‐world expertise from across the globe.About The Role This is a freelance

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.

of Generative AI by tapping into real-world expertise from across the globe.About The Role This is a freelance ... troubleshoot independentlyEnglish proficiency: Upper-intermediate (B2) or above (required)Benefits Why this 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?

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

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.

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.

and Primary Cover Teacherswith recurring availability to provide short‐term, occasional cover on a 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?

Site Reliability Engineer needed for a B2B or freelance contract role in Lisbon. Requires strong DevOps skills (Jenkins, Git, Bitbucket), Linux proficiency, SQL expertise, and experience with monitoring tools (Splunk, Dynatrace).

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 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.

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

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

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.