72 freelance English-speaking jobs in Lisbon

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Senior Consultant with 3+ years of experience at a top-tier strategy consulting firm is needed to build realistic consulting project environments for AI training.

Freelance Junior Journalist will train AI models to understand and generate human-like text. Tasks include crafting responses, generating prompts, defining scoring criteria, and ensuring quality.

Freelance AI trainer needed to design computational chemistry problems requiring Python programming. Must have a chemistry degree, Python proficiency, and experience with numerical methods in chemistry.

Freelance mathematicians with a degree and 2+ years of experience are sought to design problems, evaluate AI solutions, and improve AI reasoning for leading tech companies.

This flexible freelance role allows you to set your own schedule, making it an ideal supplement to your

Site Reliability Engineer needed for a B2B or freelance contract role in Lisbon. Requires strong DevOps skills (Jenkins, Git, Bitbucket), Linux proficiency, SQL expertise, and experience with monitoring tools (Splunk, Dynatrace).

Freelance AI trainer needed to design computational physics problems requiring Python programming. Must have a physics degree, 2+ years experience, and strong Python skills (NumPy, SciPy, Sympy).

Freelance peer reviewers needed for civil, mechanical, and computer science journals. Must have a doctorate, at least two publications in the last two years, and strong analytical and writing skills.

We do provide more security than a pure freelance contract, as we work with a30-day notice period(on ... ambition to become the #1 B2B Marketing Agency worldwide in the next ten years.Work setup We work with freelance

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

Innodata seeks a remote Content Reviewer to evaluate online content for accuracy and quality. This freelance role requires 30 hours per week and involves identifying errors, categorizing content, and improving AI responses.

results-driven attitude Ability to work independently and manage your own territory Status:independent / freelance

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 AI trainer needed to design and develop material engineering problems requiring Python programming. Must have a degree in Material Science or related field, Python proficiency, and 2+ years of professional experience.

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 needsTake part in a flexible, remote, freelance

AI.Impactful, challenging work with direct business influence.Competitive salary and benefits (full‐time or freelance