53 freelance English-speaking jobs in Lisbon
Freelance Recruitment Partner (Mass Hiring)
- David Kennedy Recruitment
- Lisbon
- July 22
Lean / Six Sigma Black Belt Expert - AI Trainer - Freelance - 8-20 hrs/week - Remote
- 10x.Team
- Lisbon
- July 10
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
Alentejano Dialect Specialist - Freelance AI Trainer Project
- Meridial
- Lisbon
- June 28
Employment type: Freelance / Contract Workplace type: Remote Seniority level: Entry Level #J-18808-Ljbffr
Freelance Recruiter (International Markets)
- Cross Border Talents
- Lisbon
- July 7
Join Cross Border Talents as a Freelance Recruiter and work with a global network of professionals across
Java Software Engineer
- Ubique Systems
- Lisbon
- June 16
Software engineer with 7+ years of Java experience (Spring Boot, Spring Batch, Hibernate, REST API) sought for B2B/freelance contract. Collaborate in agile environment to deliver user-focused solutions. Automate development, testing, and deployment processes.
Freelance Data Scraping Engineer (Python)
- Mindrift
- Lisbon
- July 5
Digital Designer
- Ventula Consulting
- Lisbon
- August 1
Graphic & Digital Designer – Global Brand Global Fashion retail Brand is now looking for freelance designers
Mathematician with Python - Freelance AI Trainer
- Mindrift
- lisboa
- August 4
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.
Senior Python Data Scraping Engineer (Freelance)
- Mindrift
- Lisbon
- July 29
Strategy Consultant - AI Training & Evaluation (Freelance, Remote)
- Mindrift
- Lisbon
- July 15
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.
Senior Python Engineer - AI Coding Agent Evaluation (Freelance)
- Mindrift
- Lisbon
- July 24
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.
Portugal Digital Discover Graduate: 2 Rotations
- Vodafone Portugal
- Lisbon
- July 29
has nearly 20 years of experience in IT staffing across Europe and the US, specializing in providing freelance
Office & Coworking Space Manager
- Vida Plena Hospitality
- Lisbon
- July 15
















