24 freelance English-speaking jobs in Porto

Position: Fixed Term or Freelance Recruiters Location: Remote, Europe Employment type: Freelance - able ... This freelance role offers either a commission-based structure or fixed term arrangement (SLA). ... David Kennedy Recruitment is on the lookout for an amazing Freelance Recruitment Partner to join our

About The Role We are seeking an experiencedData Center Technicianfor freelance/contract work inPorto ... Emergency and after‐hours work may qualify for premium rates.Engagement TypeContract/Freelance basisFlexible

At Toloka, we connect smart, curious people from around the world with freelance online tasks that train ... Take part in a part-time, remote, freelance project that fits around your primary professional or academic ... questions when needed Genuine interest in technology and artificial intelligence Benefits Why this freelance

At Toloka, we connect smart, curious people from around the world with freelance online tasks that train ... Take part in a part-time, remote, freelance project that fits around your primary professional or academic ... questions when needed Genuine interest in technology and artificial intelligence Benefits Why this freelance

About the Role We are seeking an experienced Data Center Technician for freelance/contract work in Porto ... Engagement Type Contract/Freelance basis Flexible scheduling available Project-based or ongoing support

About the Role We are seeking an experienced Data Center Technician for freelance/contract work in Porto ... Engagement Type Contract/Freelance basis Flexible scheduling available Project-based or ongoing support

This freelance position combines responsibilities in both social and environmental auditing, including

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 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 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 physics problems requiring Python programming. Must have a physics degree, 2+ years experience, and strong Python skills (NumPy, SciPy, Sympy).

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

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.

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 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.

clinical development and protocol authorship to support a portfolio of clinical programs over a 12‐month freelance

RecXchange seeks remote recruiters to find and match candidates with real client roles. Earn $3,000-$11,000 per placement. Utilize AI tools and collaborate with other recruiters.

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.

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.