65 freelance English-speaking jobs in Lisbon

sharp Flexible hybrid setup: 2 days in our Lisbon office, 3 days from wherever you work best An ongoing freelance

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

Freelance Agent Evaluation Engineer needed to design and evaluate AI coding agent performance in simulated developer environments. Requires 5+ years software development experience with Python, JavaScript/TypeScript, Docker, Postgres, Kafka, Redis, and testing experience.

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

Location: Lisbon, Portugal (Hybrid/On-site) Contract Type: Long-term Freelance Contract Start Date: Immediate

Remote position working for Malaga hub Long term Freelance Contract CET working hours Possibility to

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

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.

and water photography speak fluent English can stay until end of October 2026 can be employed on a freelance

Title: Influencer & Talent Agent Location: 📍 Remote (Work from Anywhere) Job Type: ⏰ Full-Time Freelance

Take part in a flexible, remote, freelance project that fits around your primary professional or academic

This is an international, fully-remote, freelance contractor position, working from home, at a location

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

Product Designer (UX/UI) – Remote – Freelance Portugal $75,000.00-$115,000.00 7 months ago Rev-celerator

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

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

largest linguistic network, including more than 1,600 in‐house translators and in excess of 29,000 freelance

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