89 freelance English-speaking jobs in Lisbon

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.

, or query optimization Have done any kind of customer-facing technical work — support, consulting, freelance

, or query optimization Have done any kind of customer-facing technical work — support, consulting, freelance

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.

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

Proficiency in collaborating with internal design teams and managing external agencies or freelance production

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