69 freelance English-speaking jobs in Lisbon

#Freelance #Frontend #React #TypeScript #EVCharging #RemoteWork ... Frontend Engineer (React + TypeScript) — Freelance | Hybrid Porto or Lisbon | EV Tech We're hiring a ... This is a freelance role through Shakers, the platform connecting top tech freelancers with high-impact

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

Freelance Accounting Expert - AI Trainer 3 days ago – be among the first 25 applicants. ... Our freelance role is fully remote, so you just need a laptop, internet connection, time available and ... Take part in a part‐time, remote, freelance project that fits around your primary professional or academic

Electrical Engineer with Python Experience - Freelance AI Trainer 2 days ago Be among the first 25 applicants ... engineering problems Benefits Earn up to $33/hour for your expertise Fully remote, flexible, part‐time freelance

Mechanical Engineer with Python Experience - Freelance AI Trainer 2 days ago Be among the first 25 applicants ... intensive problems Benefits Earn up to $33/hour for your expertise Fully remote, flexible, part‐time freelance

switch between tasks and topics quickly and sometimes work with challenging, complex guidelines Our freelance ... $34/hour depending on your skills, experience, and project needs Take part in a part-time, remote, freelance

switch between tasks and topics quickly and sometimes work with challenging, complex guidelines Our freelance ... $34/hour depending on your skills, experience, and project needs Take part in a part-time, remote, freelance

Freelance peer reviewers with a PhD/MD and two recent publications in blood disorders are needed to assess manuscript originality, study design, literature review, results, and provide constructive feedback.

Freelance peer reviewers with a doctorate in Pediatric & Gynecologic Surgery are needed to assess manuscripts for originality, study design, literature review, results, and provide constructive feedback.

Freelance Financial Analyst - AI Trainer At Mindrift, innovation meets opportunity. ... Take part in a part‐time, remote, freelance project that fits around your primary professional or academic

Freelance AI trainer evaluates AI-generated auto insurance claims decisions for accuracy, coverage, and compliance. Designs test scenarios and writes fraud-flagging scenarios. Requires 3+ years of experience in insurance, claims, legal, or financial services and strong written English.

Freelance AI trainer needed to design math problems, evaluate AI solutions, and validate calculations using Python. Must have a mathematics degree, 3+ years of experience, strong Python skills, and excellent written English.

About The Role This is a freelance role for a Tendem project. ... troubleshoot independently English proficiency: Upper-intermediate (B2) or above (required) Benefits Why this freelance

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. ... Benefits Why this freelance opportunity might be a great fit for you?

Freelance AI Evaluation Engineer needed to create challenging coding test cases for AI systems. Requires 5+ years of Python development experience, full-stack development skills, and experience writing functional and integration tests.

Freelance peer reviewers needed for civil, mechanical, and computer science journals. PhD or equivalent required, with at least two publications in the last two years. Strong analytical and writing skills, experience with manuscript review systems preferred.

Hybrid setup (2 days on‐site in Lisboa, Braga, or Coimbra), full time, long term & 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.