65 freelance English-speaking jobs in Lisbon

  • Mindrift
  • Lisbon
  • May 2
LogoFreelance AI trainer needed to design and develop material engineering problems requiring Python programming. Must have a degree in Material Science or related field, Python proficiency, and 2+ years of professional experience.
  • Mindrift
  • Lisbon
  • April 30
LogoFreelance 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.
  • Alignerr
  • Lisbon
  • May 6
shaping the future of healthcare Fully remote and flexible — work on your schedule, wherever you are Freelance
  • Firstsource
  • Lissabon
  • May 3
Simple task, remote, global participation.We are hiring freelance contributors worldwide to help us collect
  • Ventula Consulting
  • Lisbon
  • April 30
Graphic & Digital Designer – Global Brand Global Fashion retail Brand is now looking for freelance designers
  • Alignerr
  • Lisbon
  • May 4
projects alongside leading research labs Fully remote and flexible — work when and where it suits you Freelance
  • Mindrift
  • Lisbon
  • May 7
LogoFreelance 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.
  • Alignerr
  • Lisbon
  • May 1
research labs and healthcare innovators Fully remote and flexible—work when and where it suits you Freelance
  • Keyrock
  • Lisbon
  • April 28
AI.Impactful, challenging work with direct business influence.Competitive salary and benefits (full‐time or freelance
  • Alignerr
  • Lisbon
  • May 1
cancer research is understood and advanced Fully remote and flexible — work when and where it suits you Freelance
  • Collective.work
  • Lisbon
  • April 13
LogoExperienced IT Procurement Specialist needed for software procurement, contract management, and supplier negotiations. Minimum 5 years of experience in vendor management, contract negotiation, and international environments required.
  • Mindrift
  • Lisbon
  • April 24
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.
  • Randstad
  • Lisbon
  • April 29
Freelance Data Analyst (Python) - AI TrainerStudent Intern - Data Analyst & AdministratorWe're unlocking
  • kapa.ai
  • Lisbon
  • May 3
Portugal Is Required)Machine Learning Platform Engineer (M/F) - Remote (Living In Portugal Is Required)Freelance
  • Valtech
  • Lisbon
  • April 29
We are looking for a Senior Salesforce Marketing Cloud Developer (freelance) to deliver large and complex
  • Upwork
  • Lisbon
  • February 27
companies connects businesses with global, AI-enabled talent across every contingent work type including freelance
  • Mindrift
  • Lisbon
  • April 28
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.
  • Veeva Systems
  • Lisbon
  • March 2
HaveLeadership experience within a talent acquisition function.Experience building hiring pipelines for freelance
  • Upwork
  • Lisbon
  • February 27
Logocompanies connects businesses with global, AI enabled talent across every contingent work type including 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
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