66 freelance English-speaking jobs in Lisbon

About the Role This is a freelance role for a Tendem project. ... Benefits Why this freelance opportunity might be a great fit for you?

PERFECT REMOTE FREELANCE OPPORTUNITY FOR A SENIOR BUSINESS INTELLIGENCE SOLUTIONS DEVELOPER TO BE A PART

Senior ML Engineer / Data Scientist Portugal/ Remote / Freelance or PermanentWe are looking for a Senior

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.

$60,000.00-$100,000.00 1 week ago Portugal $203,320.00-$227,240.00 1 month ago Solution Architect - Freelance

Senior Fullstack Developer will design, build, and maintain backend services and REST APIs using Node.js and develop frontend applications using React and TypeScript. You will own features across the full stack, from database schema to UI interaction.

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

Experienced IT Procurement Specialist needed for software procurement, contract management, and supplier negotiations. Minimum 5 years of experience in vendor management, contract negotiation, and international environments required.

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.

brand to life in your assigned city Build, train, and manage a small core team (2–3 people), along with freelance

technologies.BenefitsFull remote flexibility with the ability to work from anywhere worldwide.Long‐term freelance

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

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

accessibility and usability Knowledge of Portuguese, Italian, or Spanish Any personal, university, or freelance

retreats to foster team connection and alignment This is a long‐term contractor role (not a temporary freelance

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

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

To simplify hiring outside our registered countries, we engage global talent through freelance contracts.Ready

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

Meeting bonus: EUR 25–50 per qualified meeting On-target monthly earnings: EUR 800–1,200+ Arrangement: Freelance