86 freelance English-speaking jobs in Lisbon

  • David Kennedy Recruitment
  • Lisbon
  • July 22
Logotype: Freelance - able to invoice Remuneration: Commission per placed candidates.  ... David Kennedy Recruitment is on the lookout for an amazing Mass Volume Freelance Recruitment Partner ... This freelance role offers a commission-based structure, meaning your earnings will be directly tied ... Position: Freelance Recruiter  Location: Anywhere in the world (ideally within GMT+2 max) Employment
  • 10x.Team
  • Lisbon
  • July 10
Updated: 07 July 2026 Freelance | 8–20 hrs/week | Remote (EU/UK) Are you an experienced Lean / Six Sigma ... Join 10x Team as a Freelance Lean / Six Sigma Black Belt Expert – AI Trainer and put your process improvement ... Flexible, project‐based freelance assignments – 100% remote Directly influence how AI systems understand ... NOTE At 10x, There Are Two Types Of Opportunities Traditional freelance missions: These are regular project‐based
  • Mindrift - Data annotation
  • Lisbon
  • July 17
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
  • Cactus Communications
  • Lisbon
  • June 18
Freelance peer reviewers with a PhD/MD and two recent publications in Gonorrhea research are needed to assess manuscript novelty, study design, literature review, results, and provide constructive feedback.
  • Mindrift
  • Lisbon
  • July 4
Freelance Software Developer (Ruby) - AI Trainer 4 days ago Be among the first 25 applicants This opportunity ... $30/hour depending on your skills, experience, and project needs Take part in a part‐time, remote, freelance ... and ambiguous project contexts Team player: open to code reviews, feedback, and knowledge sharing Our freelance
  • Mindrift
  • Lisbon
  • June 29
Freelance Software Developer (Kotlin) - AI Trainer 1 day ago Be among the first 25 applicants Get AI-powered ... Take part in a part‐time, remote, freelance project that fits around your primary professional or academic ... Consulting Referrals increase your chances of interviewing at Mindrift by 2x Sign in to set job alerts for "Freelance
  • Mindrift
  • Lisbon
  • June 7
Freelance Accounting Expert - AI Trainer 3 days ago – be among the first 25 applicants. ... Our freelance role is fully remote, so you just need a laptop, internet connection, time available and ... Take part in a part‐time, remote, freelance project that fits around your primary professional or academic
  • Mindrift
  • Lisbon
  • August 10
Our freelance role is fully remote so, you just need a laptop, internet connection, time available and ... Take part in a part-time, remote, freelance project that fits around your primary professional or academic
  • Cactus Communications
  • Lisbon
  • August 10
Seeking freelance Peer Reviewers in Pediatric Hematology. Requires a PhD/MD or equivalent, two recent publications, and expertise in research methodology. Duties include assessing novelty, study design, literature, and conclusions to provide constructive feedback.
  • Mindrift
  • Lisbon
  • July 29
Python Engineer needed for freelance AI training. Design tasks and write tests to evaluate the safety and conduct of AI coding agents within realistic developer environments. Requires 4-5+ years in software development with Python and strong test design skills.
  • Mindrift
  • Lisbon
  • July 1
Freelance Financial Analyst - AI Trainer At Mindrift, innovation meets opportunity. ... Take part in a part‐time, remote, freelance project that fits around your primary professional or academic
  • Cactus Communications
  • Lisbon
  • June 18
Freelance peer reviewers with a PhD/MD and two recent publications in blood disorders are needed to assess manuscript originality, study design, literature review, results, and provide constructive feedback.
  • Cactus Communications
  • Lisbon
  • August 10
Seeking freelance Peer Reviewers for critical care nursing journals. Requires a Doctorate or equivalent, two recent publications, and expertise in research methodology. Responsibilities include assessing novelty, study design, literature, and conclusions.
  • Mindrift
  • Lisbon
  • August 4
Freelance AI trainer needed to design math problems, evaluate AI solutions, and validate calculations using Python. Must have a mathematics degree, 3+ years of experience, strong Python skills, and excellent written English.
  • Mindrift
  • Lisbon
  • July 2
Freelance AI trainer evaluates AI-generated auto insurance claims decisions for accuracy, coverage, and compliance. Designs test scenarios and writes fraud-flagging scenarios. Requires 3+ years of experience in insurance, claims, legal, or financial services and strong written English.
  • Mindrift
  • Lisbon
  • June 1
switch between tasks and topics quickly and sometimes work with challenging, complex guidelines Our freelance ... $34/hour depending on your skills, experience, and project needs Take part in a part-time, remote, freelance
  • Meridial
  • Lisbon
  • June 28
Employment type: Freelance / Contract Workplace type: Remote Seniority level: Entry Level #J-18808-Ljbffr
  • Mindrift
  • Lisbon
  • August 10
Freelance AI Trainer - Civil Engineering & Python 4 days ago Be among the first 25 applicants This opportunity ... non-trivial problems Benefits Earn up to $30/hour for your expertise Fully remote, flexible, part-time freelance
  • Mindrift
  • Lisbon
  • August 1
Electrical Engineer with Python Experience - Freelance AI Trainer 2 days ago Be among the first 25 applicants ... engineering problems Benefits Earn up to $33/hour for your expertise Fully remote, flexible, part‐time freelance
  • Mindrift
  • Lisbon
  • June 24
Mechanical Engineer with Python Experience - Freelance AI Trainer This opportunity is only for candidates ... intensive problems Benefits Earn up to $33/hour for your expertise Fully remote, flexible, part-time freelance
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