54 freelance English-speaking jobs in Lisbon

type: Freelance - able to invoice Remuneration: Commission per placed candidates.  ... David Kennedy Recruitment is on the lookout for an amazing Mass Volume Freelance Recruitment Partner ... This freelance role offers a commission-based structure, meaning your earnings will be directly tied ... Position: Freelance Recruiter  Location: Anywhere in the world (ideally within GMT+2 max) Employment

Updated: 07 July 2026 Freelance | 8–20 hrs/week | Remote (EU/UK) Are you an experienced Lean / Six Sigma ... Join 10x Team as a Freelance Lean / Six Sigma Black Belt Expert – AI Trainer and put your process improvement ... Flexible, project‐based freelance assignments – 100% remote Directly influence how AI systems understand ... NOTE At 10x, There Are Two Types Of Opportunities Traditional freelance missions: These are regular project‐based

Nortenho Dialect Specialist - Freelance AI Trainer Project Portugal Are you a Nortenho language expert ... Employment type: Freelance / Contract Workplace type: Remote Seniority level: Entry Level #J-18808-Ljbffr

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

About the Role This is a freelance role for a Tendem project. 

Mathematician with Python needed for freelance AI training projects. Tasks include designing math problems, evaluating AI solutions, and validating calculations using Python (NumPy, Pandas, SciPy). Requires a math degree and 3+ years of experience.

About the Role This is a freelance role for a Tendem project.

Strategy consultants with 3+ years of experience at top-tier firms (McKinsey, BCG, Bain, etc.) are needed to build realistic consulting project environments for AI training.

Mindrift seeks a Senior Python Engineer to build realistic developer environments and design tasks for evaluating AI coding agents. Responsibilities include crafting prompts, defining task solutions, and writing tests to verify agent performance. Qualifications require 8+ years of software development experience with Python, JavaScript/TypeScript, Docker, Postgres, Kafka, and Redis, along with experience writing tests.

has nearly 20 years of experience in IT staffing across Europe and the US, specializing in providing freelance

Freelance Recruiter (Startups and Scaleups - Remote - Lisbon Talent Acquisition Operations Senior Specialist

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

Full Stack Data Analyst - Critical Data Products Full Stack Data Analyst - Critical Data Products Tech Freelance

the body, and Mindpartner access for the mind Flexibility on contract — open to full-time in-house or freelance