67 freelance English-speaking jobs in Lisbon
Freelance Recruiter - English
- JUJUR
- Lisbon
- May 6
Freelance Software Developer (Kotlin) - AI Trainer
- Mindrift
- Lisbon
- June 29
Freelance Software Developer (Kotlin) - AI Trainer 1 day ago Be among the first 25 applicants Get AI-powered ... Take part in a part‐time, remote, freelance project that fits around your primary professional or academic ... Consulting Referrals increase your chances of interviewing at Mindrift by 2x Sign in to set job alerts for "Freelance
Freelance Accounting Expert - AI Trainer
- Mindrift
- Lisbon
- June 7
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
Mechanical Engineer with Python Experience - Freelance AI Trainer
- Mindrift
- Lisbon
- June 24
Mechanical Engineer with Python Experience - Freelance AI Trainer This opportunity is only for candidates ... intensive problems Benefits Earn up to $33/hour for your expertise Fully remote, flexible, part-time freelance
Freelance Machine Learning Research Engineer (Python)
- Mindrift
- Lisbon
- June 1
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
Freelance Machine Learning Developer (Python)
- Mindrift
- Lisbon
- June 1
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
Python Engineer - Freelance AI Trainer
- Mindrift
- Lisbon
- July 29
Python Engineer needed for freelance AI training. Design tasks and write tests to evaluate the safety and conduct of AI coding agents within realistic developer environments. Requires 4-5+ years in software development with Python and strong test design skills.
Freelance Financial Analyst - AI Trainer
- Mindrift
- Lisbon
- July 1
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
Alentejano Dialect Specialist - Freelance AI Trainer Project
- Meridial
- Lisbon
- June 28
Employment type: Freelance / Contract Workplace type: Remote Seniority level: Entry Level #J-18808-Ljbffr
Freelance Mobile App Developer (iOS / Android)
- Mindrift
- Lisbon
- July 2
About the Role This is a freelance role for a Tendem project. ... Why this freelance opportunity might be a great fit for you?
Freelance AI Evaluation Engineer (Python/Full-Stack)
- Mindrift
- Lisbon
- June 21
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.
AI Pilot Vibe Coding Task Associate
- Mindrift
- Lisbon
- May 15
About The Role This is a freelance role for a Tendem project. ... troubleshoot independently English proficiency: Upper-intermediate (B2) or above (required) Benefits Why this freelance
Chatbot Developer (WhatsApp, Telegram, Discord) - Freelance
- Mindrift
- Lisbon
- July 29
About the Role This is a freelance role for a Tendem project. ... Why this freelance opportunity might be a great fit for you?
Freelance Chatbot Developer (WhatsApp / Telegram / Discord)
- Mindrift
- Lisbon
- July 3
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
- Meridial
- Lisbon
- June 28
Portuguese Language Specialist (Portugal) - Freelance AI Trainer Project Portugal Are you a Portuguese
Freelance Recruiter (International Markets)
- Cross Border Talents
- Lisbon
- July 7
Join Cross Border Talents as a Freelance Recruiter and work with a global network of professionals across
Java Software Engineer
- Ubique Systems
- Lisbon
- June 16
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 Data Scraping Engineer (Python)
- Mindrift
- Lisbon
- July 5
Freelance Agent Evaluation Engineer
- Mindrift
- Lisbon
- July 4
Mathematician with Python - Freelance AI Trainer
- Mindrift
- lisboa
- June 8
Mathematician with Python needed for freelance AI training projects. Tasks include designing math problems, evaluating AI solutions, and validating calculations using Python (NumPy, Pandas, SciPy). Requires a math degree and 3+ years of experience.


















