73 freelance English-speaking jobs in Lisbon

Location: Remote Type: Freelance (project-based, long-term collaboration)FREELANCE EDITOR & POST POWERHOUSEAbout ... you have experience with VFX, CGI or AI‐driven post‐production tools.What you'll getA long‐term freelance ... international surf brand and help define how SRFACE shows up across every screen.What you'll doAs our freelance ... team of entrepreneurs and surfers who care deeply about quality and culture.Compensation : Competitive freelance ... founders, ambassadors and creativesFlexible, remote setupAccess to our latest wetsuits and gearCompetitive freelance

At Toloka, we connect smart, curious people from around the world with freelance online tasks that train ... Take part in a part-time, remote, freelance project that fits around your primary professional or academic ... questions when needed Genuine interest in technology and artificial intelligence Benefits Why this freelance

Engineer (Developer) – Omni Retail Location : Lisbon Activity rate : 100% Starting date : ASAP Contract : Freelance

Electrical Engineer with Python expertise sought for part-time, project-based AI training. Design electrical engineering problems, evaluate AI solutions, and validate calculations using Python. Strong written English and 3+ years of experience required.

Join Our Team: iGaming Recruitment Specialists (Freelance | Remote) We’re looking for experienced recruiters

Portuguese Language Specialist (Portugal) - Freelance AI Trainer Project PortugalAre you a Portuguese

Flexible, fully remote freelance work that fits your current commitmentsApply your expertise to a rapidly

improve advanced AI systems.What you'll be doing We are 10x.team, a platform for fractional and freelance

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.

Innodata seeks a remote Content Reviewer to evaluate online content for quality, accuracy, and categorization. This freelance role requires 30 hours per week and involves identifying errors, inconsistencies, and inappropriate content.

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.

Join Cross Border Talents as a Freelance Recruiter and work with a global network of professionals across

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 AI trainer needed to design and develop computationally intensive statistical problems requiring Python programming. Must have a degree in Statistics or related field, 2+ years of experience, and strong written English.

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.

Graphic Designer – Global Brand – Figma - Porto (Hybrid) Global Designer Brand is now looking for freelance

This freelance, remote role offers complete flexibility, allowing you to set your own business hours.

Train AI models to understand and generate human-like text. Craft responses, generate prompts, define scoring criteria, and ensure quality. Requires a Bachelor's degree in a related field, at least 1 year of experience, strong written English (C1/C2), and a stable internet connection.

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