75 freelance English-speaking jobs in Lisbon

  • Mindrift
  • Lisbon
  • April 17
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.
  • Ubique Systems
  • Lisbon
  • April 30
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).
  • Mindrift
  • Lisbon
  • May 18
Senior Consultants with 3+ years of experience at top-tier firms (McKinsey, BCG, Bain, etc.) are needed to build realistic consulting project environments for AI training.
  • Cactus Communications
  • Lisbon
  • May 4
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 29
LogoFreelance 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.
  • Mindrift
  • Lisbon
  • April 24
LogoFreelance 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.
  • Ventula Consulting
  • Lisbon
  • May 4
Graphic Designer – Global Brand – Figma - Porto (Hybrid) Global Designer Brand is now looking for freelance
  • Vanilleo
  • Lisbon
  • May 1
results-driven attitude Ability to work independently and manage your own territory Status:independent / freelance
  • Ventula Consulting
  • Lisbon
  • April 30
Graphic & Digital Designer – Global Brand Global Fashion retail Brand is now looking for freelance designers
  • 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.
  • Mindrift
  • Lisbon
  • April 29
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.
  • Odixcity Consulting
  • Lisbon
  • May 16
-5 years of professional experience as a video editor, post-production specialist, or similar role (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.
  • PSI
  • Lisbon
  • May 8
LogoJob Description We are looking for a part time freelance Senior Compensation Analyst to implement, manage
  • Mindrift
  • Lisbon
  • April 30
to $32/hour depending on your skills, experience, and project needsTake part in a flexible, remote, freelance
  • Paco Services
  • Lisbon
  • May 21
This is a one-day-per-week freelance engagement to start, with real scope to grow for the right person
  • Mindrift
  • Lisbon
  • May 4
to $30/hour depending on your skills, experience, and project needs.Take part in a flexible, remote, freelance
  • Randstad
  • Lisbon
  • April 29
Freelance Data Analyst (Python) - AI TrainerStudent Intern - Data Analyst & AdministratorWe're unlocking
  • EverAI
  • Lisbon
  • May 10
platform policies and brand guidelines.Hard Skills1–5 years of experience in video editing (internships, freelance
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