64 freelance English-speaking jobs in Lisbon

Work setup We work with freelance contracts with our colleagues in Lisbon. ... We do provide more security than a pure freelance contract, as we work with a 30-day notice period (on

Location: Remote (Global) Type: Freelance | Commission-Based Role: Email Outreach & Growth Specialist

Freelance 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.

Freelance 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.

Job Description We are looking for a part time freelance Senior Compensation Analyst to implement, manage

Freelance Agent Evaluation Engineer needed to design and evaluate AI coding agent performance in simulated developer environments. Requires 5+ years software development experience with Python, JavaScript/TypeScript, Docker, Postgres, Kafka, Redis, and testing experience.

Freelance 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.

Freelance 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.

to $32/hour depending on your skills, experience, and project needs Take part in a flexible, remote, freelance

Freelance Product Manager – Proxify About the Role You will work as a freelance Product Manager on ... into a new client or team context and helping them get to clarity quickly Ideally have worked as a freelance ... examples of trade‑offs you’ve made Fluent in written and spoken English Available for a full‑time freelance

Competitive salary and benefits (full‐time or freelance). Flexible hours and remote work options.

Contract & Compensation Freelance / contractor role. Initial 6‐month engagement.

This is an international, fully-remote, freelance contractor position, working from home, at a location

are seeking a passionate and driven A&R Outbound Sales Representative to join our team on a remote, freelance

Freelance 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.

Take part in a flexible, remote, freelance project that fits around your primary professional or academic

Freelance Data Analyst (Python) - AI Trainer Student Intern - Data Analyst & Administrator We're unlocking

Portugal Is Required) Machine Learning Platform Engineer (M/F) - Remote (Living In Portugal Is Required) Freelance

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, 2+ years of experience, and strong written English.

Title: Influencer & Talent Agent Location: 📍 Remote (Work from Anywhere) Job Type: ⏰ Full-Time Freelance