88 freelance English-speaking jobs in Lisbon
Senior Frontend Developer — AI-Augmented Health Tech
- Shakers
- Lisbon
- May 22
#Frontend #React #TypeScript #AI #HealthTech #Freelance #Shakers ... Senior Frontend Developer — AI-Augmented Health Tech (Freelance via Shakers) We're hiring a Senior Frontend ... have Cloud platforms (AWS / GCP / Azure) Data visualization libraries Health tech background The setup Freelance
Creative Producer
- Srface
- Lisbon
- June 5
Location: Remote Type: Freelance (project-based, long-term collaboration) FREELANCE CREATIVE PRODUCER ... What you'll do As our freelance Creative Producer, you'll lead productions from early concept to final ... What you'll get Project‐based freelance collaboration with a fast‐growing international surf brand Creative ... Flexible, remote setup with travel opportunities Access to our latest wetsuits and gear Competitive freelance
Senior Backend Engineer — (Java / Spring Boot / GCP)
- Shakers
- Lisbon metropolitan area
- May 21
Setup 100% freelance, full-time dedication. ... Senior Backend Engineer — Founding Team (Java / Spring Boot / GCP) — Freelance via Shakers We are partnering
Senior Backend Engineer —
- Shakers
- Graça
- May 21
Setup 100% freelance, full-time dedication. ... Senior Backend Engineer — Founding Team (Java / Spring Boot / GCP) — Freelance via Shakers We are partnering
Freelance Peer Reviewer - Leiomyosarcoma
- Cactus Communications
- Lisbon
- May 20
Freelance peer reviewers with a PhD/MD and two recent publications in Leiomyosarcoma are needed to assess manuscript novelty, study design, literature review, results, and provide constructive feedback.
Freelance Software Developer (Ruby) - AI Trainer
- Mindrift
- Lisbon
- June 5
Freelance Software Developer (Ruby) - AI Trainer 4 days ago Be among the first 25 applicants This opportunity ... $30/hour depending on your skills, experience, and project needs Take part in a part‐time, remote, freelance ... and ambiguous project contexts Team player: open to code reviews, feedback, and knowledge sharing Our freelance
Freelance Accounting Expert - AI Trainer
- Mindrift
- Lisbon
- June 5
Freelance Accounting Expert - AI Trainer 3 days ago – be among the first 25 applicants. ... Our freelance role is fully remote, so you just need a laptop, internet connection, time available and ... Take part in a part‐time, remote, freelance project that fits around your primary professional or academic
Freelance Financial Analyst - AI Trainer
- Mindrift
- Lisbon
- June 5
Freelance Financial Analyst - AI Trainer At Mindrift, innovation meets opportunity. ... Take part in a part‐time, remote, freelance project that fits around your primary professional or academic
Freelance Peer Reviewer - Clinical Psychiatry
- Cactus Communications
- Lisbon
- June 5
Freelance peer reviewers with a PhD/MD and at least two publications in the last two years are needed to assess manuscripts for journals.
Mathematician with Python - Freelance AI Trainer
- Mindrift
- Lisbon
- June 5
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 Machine Learning Developer (Python)
- Mindrift
- Lisbon
- May 29
switch between tasks and topics quickly and sometimes work with challenging, complex guidelines Our freelance ... $34/hour depending on your skills, experience, and project needs Take part in a part-time, remote, freelance
Electrical Engineer with Python Experience - Freelance AI Trainer
- Mindrift
- Lisbon
- June 5
Electrical Engineer with Python Experience - Freelance AI Trainer 2 days ago Be among the first 25 applicants ... engineering problems Benefits Earn up to $33/hour for your expertise Fully remote, flexible, part‐time freelance
Freelance Machine Learning Research Engineer (Python)
- Mindrift
- Lisbon
- May 29
switch between tasks and topics quickly and sometimes work with challenging, complex guidelines Our freelance ... $34/hour depending on your skills, experience, and project needs Take part in a part-time, remote, freelance
Physics Researcher (Python) - Freelance AI Trainer
- Mindrift
- Lisbon
- June 5
Freelance AI trainer needed to design physics problems, evaluate AI solutions, and validate calculations using Python. Must have a physics degree, 3+ years of experience, strong Python skills, and excellent written English.
Mathematics Researcher (Python) - Freelance AI Trainer
- Mindrift
- Lisbon
- June 5
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.
Alentejano Dialect Specialist - Freelance AI Trainer Project
- Invisible Agency
- Lisbon
- June 5
Employment Type Freelance / Contract Workplace Remote Seniority Level Entry Level Apply for this job
Mechanical Engineer with Python Experience - Freelance AI Trainer
- Mindrift
- Lisbon
- June 5
Mechanical Engineer with Python Experience - Freelance AI Trainer 2 days ago Be among the first 25 applicants ... intensive problems Benefits Earn up to $33/hour for your expertise Fully remote, flexible, part‐time freelance
Freelance IT Project Manager/Digital and Web Projects
- Pubgenius Inc.
- Lisbon
- June 5
Manage international client projects from planning to delivery. Define scope, milestones, and deliverables. Translate requirements into tasks and iterations. Lead Agile ceremonies and provide status updates.
Freelance AI Evaluation Engineer (Python/Full-Stack)
- Mindrift
- Lisbon
- June 5
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.
Quantum Research Scientist with Python - Freelance AI Trainer
- Mindrift
- Lisbon
- June 1
Freelance 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.







































