57 freelance English-speaking jobs in Lisbon District

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.

Physics Researcher needed for part-time, project-based AI training. Design physics problems, evaluate AI solutions, and validate calculations using Python.

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 or equivalent and 2+ years of experience.

Prolific seeks Certified Accountants (CPA, ACCA, ACA, CIMA, or equivalent) to provide expert analysis for B2B and AI research projects. Tasks include document analysis, domain-specific validation, and business logic synthesis. This is a freelance, on-call opportunity with an hourly rate of $60.

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

conference talks and research findings into engaging posts.Manage our YouTube workflow by coordinating freelance

companies connects businesses with global, AI-enabled talent across every contingent work type including freelance

indexing, or query optimizationHave done any kind of customer‐facing technical work — support, consulting, freelance

Sign in to set job alerts for "Journalist" roles.Proofreader/Copy Editor (Remote, Contract)Freelance

taxes, depending on your skills, competencies, and experience.Please note that this role is based on a freelance

HaveLeadership experience within a talent acquisition function.Experience building hiring pipelines for freelance

Please note that this role is based on a freelance agreement.

Full Stack Data Analyst - Critical Data ProductsFull Stack Data Analyst - Critical Data ProductsTech Freelance

companies connects businesses with global, AI-enabled talent across every contingent work type including freelance

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

laws in each country, the easiest way to hire talent outside of our registered countries is through freelance

companies connects businesses with global, AI-enabled talent across every contingent work type including freelance