63 freelance English-speaking jobs in Lisbon

Freelance AI trainer needed to design computational physics problems requiring Python programming. Must have a degree in Physics or related field, 2+ years of experience, and strong Python skills.

Freelance optical engineer with Python experience needed to design and develop computationally intensive physics problems. Must have strong Python skills (Numpy, SciPy, Sympy) and experience with numerical simulation methods.

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.

Location: Remote (Global) Type: Freelance | Commission-Based Role: Email Outreach & Growth Specialist

Portugal-based candidates preferred) - Contract Length: 6 months - Start: ASAP - Type: Contractor / Freelance

need to be an expert) Role details Start : Immediate Location : Remote, based in Lisbon Engagement : Freelance

Freelance English writers train AI models by crafting text that teaches AI reasoning, logic, and clarity. Contributors create original, fact-checked responses, collaborate with Quality Assurance Specialists, and adhere to style and quality standards.

Job Description We are looking for a part time freelance Senior Compensation Analyst to implement, manage

$60,000.00-$100,000.00 1 week ago Portugal $203,320.00-$227,240.00 1 month ago Solution Architect - Freelance

Freelance agent commercial/sales or experienced B2B sales profile Background in corporate services, ... commercial partner - Pursue ongoing commission and act as the first touchpoint for client Ideal Candidate - Freelance

Freelance Mechanical Engineer and Python expert needed for AI training projects. Design computational engineering problems, create Python-based solutions, and verify results. Requires a degree in Mechanical Engineering or related field, Python proficiency, and 2+ years of experience. Strong written English (C1+) is essential.

Freelance Product Manager – Proxify About the Role You will work as a freelance Product Manager ... into a new client or team context and helping them get to clarity quickly Ideally have worked as a freelance ... examples of trade‑offs you’ve made Fluent in written and spoken English Available for a full‑time freelance

Freelance Data Analyst (Python) - AI Trainer Student Intern - Data Analyst & Administrator We're unlocking

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

You work as a freelance contractor at 0.25–0.5 FTE per project (10–20 hrs/week).

for the assigned city   Recruit, train, and lead a small central team (2-3 persons) as well as a few freelance

Civil Engineer with Python expertise sought for part-time, project-based AI training. Design computational engineering problems, requiring Python programming and numerical methods. Must have a Civil Engineering degree, 2+ years of experience, and strong written English.

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

reporting, and coordination, and you'll need to do it well Experience in a startup, consulting, or freelance

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