66 freelance English-speaking jobs in Lisbon

  • Toloka Annotators
  • Lisbon
  • April 2
LogoAt 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
  • Shakers
  • lisbon
  • April 17
We are looking for a freelance Senior QA Engineer with experience in Siebel to join a critical project ... Basic SQL knowledge Understanding of Order Management processes Project Details Contract: Freelance
  • Invisible Agency
  • Lisbon
  • March 17
Nortenho Dialect Specialist - Freelance AI Trainer ProjectPortugal OverviewAre you a Nortenho language ... Employment type: Freelance / Contract Workplace type: Remote Seniority level: Entry Level ResponsibilitiesConverse
  • Pubgenius Inc.
  • Lisbon
  • April 13
Role We are hiring an IT or Digital Project Manager to run multiple international client projects end to end. You will work closely with engineers, designers, and global clients to deliver high-quality digital products on time and within scope. This role is ideal for someone who enjoys ownership, clear communication, and fast-moving agency environments.
  • Cross Border Talents
  • Lisbon
  • April 5
Join Our Team: iGaming Recruitment Specialists (Freelance | Remote) We’re looking for experienced recruiters
  • Cactus Communications
  • Lisbon
  • March 27
Freelance peer reviewers needed for civil, mechanical, and computer science journals. Must have a doctorate, at least two publications in the last two years, and strong analytical and writing skills.
  • Mindrift
  • Lisbon
  • April 18
LogoFreelance 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.
  • Mindrift
  • Lisbon
  • March 27
LogoFreelance 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.
  • Mindrift
  • Lisbon
  • April 18
LogoAbout the Role This is a freelance role for a Tendem project. ... Benefits Why this freelance opportunity might be a great fit for you?
  • Mindrift
  • Lisbon
  • April 17
LogoAbout the Role This is a freelance role for a Tendem project. ... Benefits Why this freelance opportunity might be a great fit for you?
  • Masentó Group
  • Lisbon
  • April 23
Senior ML Engineer / Data Scientist Portugal/ Remote / Freelance or PermanentWe are looking for a Senior
  • Mindrift
  • Lisbon
  • April 16
LogoAbout the Role This is a freelance role for a Tendem project. ... Benefits Why this freelance opportunity might be a great fit for you?
  • Mindrift
  • Lisbon
  • April 12
LogoAbout the Role This is a freelance role for a Tendem project. ... Benefits Why this freelance opportunity might be a great fit for you?
  • Mindrift
  • Lisbon
  • April 17
LogoFreelance 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.
  • Braintrust
  • Lisbon
  • March 27
This freelance role is fully remote and offers flexible hours—you can work whenever works best for you.You
  • Mindrift
  • Lisbon
  • April 4
LogoFreelance 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.
  • Mindrift
  • Lisbon
  • April 1
LogoCivil Engineer with Python expertise sought for part-time, project-based AI training. Design computational engineering problems, requiring Python programming and numerical methods. Must have a Civil Engineering degree, 2+ years of experience, and strong written English.
  • Inspired Education Group
  • Lisbon
  • February 23
Logoand Primary Cover Teachers with recurring availability to provide short-term, occasional cover on a freelance
  • RM Staffing B.V.
  • Lisbon
  • March 2
LogoMeeting bonus: EUR 25–50 per qualified meeting On-target monthly earnings: EUR 800–1,200+ Arrangement: Freelance
  • RM Staffing B.V.
  • Lisbon
  • March 2
Logomonths per customer On-target earnings (OTE): EUR 4,000–5,000/month when hitting quota Arrangement: Freelance
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