56 freelance English-speaking jobs in Lisbon

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.

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.

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.

Freelance peer reviewers with a doctorate in Pediatric & Gynecologic Surgery are needed to assess manuscripts for originality, study design, literature review, results, and provide constructive feedback.

Employment type: Freelance / Contract Workplace type: Remote Seniority level: Entry Level #J-18808-Ljbffr

About the Role This is a freelance role for a Tendem project. ... Why this freelance opportunity might be a great fit for you?

Portuguese Language Specialist (Portugal) - Freelance AI Trainer Project Portugal Are you a Portuguese

About the Role This is a freelance role for a Tendem project. ... Benefits Why this freelance opportunity might be a great fit for you?

Software engineer with 7+ years of Java experience (Spring Boot, Spring Batch, Hibernate, REST API) sought for B2B/freelance contract. Collaborate in agile environment to deliver user-focused solutions. Automate development, testing, and deployment processes.

Freelance peer reviewers needed for civil, mechanical, and computer science journals. PhD or equivalent required, with at least two publications in the last two years. Strong analytical and writing skills, experience with manuscript review systems preferred.

Graphic Designer – Global Brand – Figma - Porto (Hybrid) Global Designer Brand is now looking for freelance

Hybrid setup (2 days on‐site in Lisboa, Braga, or Coimbra), full time, long term & freelance.

need to be an expert) Role details Start : Immediate Location : Remote, based in Lisbon Engagement : Freelance

Freelance autonomy with the structure of meaningful, high‐impact work.

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Senior UI/UX Designer (Freelance, Remote) We're unlocking community knowledge in a new way.