79 freelance English-speaking jobs in Lisbon

  • 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.
  • AI Chopping Block, Inc.
  • Lisbon
  • April 4
Electrical Engineer with Python expertise sought for part-time, project-based AI training. Design electrical engineering problems, evaluate AI solutions, and validate calculations using Python. Strong written English and 3+ years of experience required.
  • Mindrift
  • Lisbon
  • March 23
Freelance AI trainer needed to design computational engineering problems requiring Python programming for solution. Must have a degree in Electrical Engineering or related field and 2+ years of experience. Strong written English (C1+) is required.
  • Mindrift
  • Lisbon
  • March 13
Freelance AI Evaluation Engineer needed to create challenging coding test cases for AI systems. Requires 5+ years of Python development experience, full-stack development skills, and experience writing functional and integration tests.
  • Mindrift
  • Lisbon
  • April 1
Civil 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 or equivalent and 2+ years of experience.
  • Voodoo
  • Lisbon
  • April 4
Senior Game Developer needed for a 8-month contract to maintain, scale, and optimize the hit game Hole.io. Responsibilities include architecting and writing code, implementing performance optimizations, and identifying technical debt. Requires advanced Unity knowledge (7+ years), C# scripting, and experience with mobile game development.
  • Dapper
  • Lisbon
  • January 12
We do provide more security than a pure freelance contract, as we work with a30-day notice period(on ... ambition to become the #1 B2B Marketing Agency worldwide in the next ten years.Work setup We work with freelance
  • Mindrift
  • Lisbon
  • March 28
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
  • March 30
LogoAbout the Role This is a freelance role for a Tendem project. ... Benefits Why this freelance opportunity might be a great fit for you?
  • Alignerr
  • Lisbon
  • March 6
Freelance perks: autonomy, flexibility, and global collaboration. Potential for contract extension.
  • Intellect
  • Lisbon
  • January 22
This flexible freelance role allows you to set your own schedule, making it an ideal supplement to your
  • Visit.org
  • Lisbon
  • April 7
LogoVisit.org is looking for a passionate and ambitious Freelance In-Person Event Host in Lisbon, Portugal
  • Ventula Consulting
  • Lisbon
  • March 8
Graphic Designer – Global Brand – Figma - Porto (Hybrid) Global Designer Brand is now looking for freelance
  • Intellect
  • Lisbon
  • January 22
This freelance, remote role offers complete flexibility, allowing you to set your own business hours.
  • Visualo.co
  • Lisbon
  • April 1
Visualo.co seeks a freelance Business Development Partner to generate leads, build relationships, and close deals for creative and marketing services. This commission-based role involves identifying potential clients, presenting services, qualifying leads, and managing the sales process.
  • Mindrift
  • Lisbon
  • March 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
  • March 16
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.
  • Globe Travel Retail Spain
  • Lisbon
  • March 25
LogoFreelance work.
  • Ventula Consulting
  • Lisbon
  • March 11
Graphic & Digital Designer – Global Brand Global Fashion retail Brand is now looking for freelance designers
  • Mindrift
  • Lisbon
  • March 17
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.
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