53 freelance English-speaking jobs in Lisbon

Setup 100% freelance, full-time dedication. ... Senior Backend Engineer — Founding Team (Java / Spring Boot / GCP) — Freelance via Shakers We are partnering

- 3 months +, for a Final Client Detail of the mission: Freelance, 3 months + Porto, 2 days on site ... - 3 months + RED Global is looking for a SAP Test Lead for a Greenfield project in Porto, Hybrid - Freelance

At Toloka, we connect smart, curious people from around the world with freelance online tasks that train ... Take part in a part-time, remote, freelance project that fits around your primary professional or academic ... questions when needed Genuine interest in technology and artificial intelligence Benefits Why this freelance

Setup 100% freelance, full-time dedication. ... Senior Backend Engineer — Founding Team (Java / Spring Boot / GCP) — Freelance via Shakers We are partnering

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

Freelance AI trainer needed to design computational physics problems requiring Python programming. Must have a physics degree, 2+ years experience, and strong Python skills (NumPy, SciPy, Sympy).

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.

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.

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.

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.

Senior UI/UX Designer (Freelance, Remote) We're unlocking community knowledge in a new way.