78 freelance English-speaking jobs in Lisbon

  • Mindrift
  • Lisbon
  • May 2
Freelance AI trainer needed to design mathematics problems, evaluate AI solutions, and validate calculations using Python. Must have a degree in Mathematics or related field, 3+ years of experience, strong Python proficiency, and excellent written English.
  • Mindrift
  • Lisbon
  • May 25
Freelance Patent Attorney (US-qualified) to generate AI prompts, evaluate AI solutions, and improve AI reasoning. Must have a US law degree and 2+ years of legal practice experience. Strong written English (C1/C2) required.
  • Mindrift
  • Lisbon
  • May 4
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 30
of Generative AI by tapping into real-world expertise from across the globe.About The Role This is a freelance ... troubleshoot independentlyEnglish proficiency: Upper-intermediate (B2) or above (required)Benefits Why this freelance
  • Cross Border Talents
  • Lisbon
  • May 3
Join Cross Border Talents as a Freelance Recruiter and work with a global network of professionals across
  • 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 optical engineer with Python experience needed to design and develop computationally intensive physics problems. Must have strong Python skills (Numpy, SciPy, Sympy) and experience with numerical simulation methods.
  • Morson Talent
  • Lisbon
  • March 19
:Remote (Portugal-based candidates preferred) Contract Length:6 months Start:ASAP Type:Contractor / Freelance
  • 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.
  • Intellect
  • Lisbon
  • May 3
This flexible freelance role allows you to set your own schedule, making it an ideal supplement to your
  • Dapper
  • Lisbon
  • May 10
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
  • C&D Talent Advisory - Academy
  • Lisbon
  • May 6
Business Development Partner will identify companies needing digital solutions and manage full-cycle B2B sales processes. Experience in tech sales, strong communication skills, and a self-driven mindset are required.
  • Shakers
  • Lisbon
  • April 30
(no need to be an expert)Role detailsStart : ImmediateLocation : Remote, based inLisbonEngagement : Freelance
  • Ventula Consulting
  • Lisbon
  • May 4
Graphic Designer – Global Brand – Figma - Porto (Hybrid) Global Designer Brand is now looking for freelance
  • Ventula Consulting
  • Lisbon
  • April 30
Graphic & Digital Designer – Global Brand Global Fashion retail Brand is now looking for freelance designers
  • Mindrift
  • Lisbon
  • April 30
to $32/hour depending on your skills, experience, and project needsTake part in a flexible, remote, freelance
  • Odixcity Consulting
  • Lisbon
  • May 16
-5 years of professional experience as a video editor, post-production specialist, or similar role (freelance
  • PSI
  • Lisbon
  • May 8
LogoJob Description We are looking for a part time freelance Senior Compensation Analyst to implement, manage
  • Randstad Enterprise
  • Lisbon
  • May 6
chances of interviewing at Randstad Enterprise by 2x Sign in to set job alerts for "Recruiter" roles.Tech Freelance
  • 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.
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