31 freelance English-speaking jobs in Porto

Position: Freelance Recruiter Location: Remote from anywhere Employment type: Freelance - able to invoice ... Jujur.eu is looking for amazing Freelance recruiters to join our team. ... This freelance role offers a commission-based structure, meaning your earnings will be directly tied

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

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

Design and develop computationally intensive engineering problems requiring Python programming for solution. Must have a Civil Engineering degree and proficiency in Python for numerical validation.

Freelance AI trainer needed to design computational physics problems requiring Python programming. Must have a physics degree and 2+ years of experience.

Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation isproject-based, not permanent employment.

DevOps, Confluence, KPI Definition, CRM Implementation, Hybrid Porto, User Stories, Process Mapping, Freelance ... international environment within Automotive Technology; Flexible contract conditions, including freelance

environment within the Automotive Technology industry; Flexible contract conditions, including freelance ... ITIL, Automotive Tech, Hybrid Porto, Security Governance, Access Lifecycle Management, SAP Consultant, Freelance

Freelance AI trainer needed to design computational physics problems requiring Python programming. Must have a physics degree, Python proficiency, and experience with numerical simulation methods.

The Netherlands (on-site), 2-year contract with permanent employment after the 2 years, NOT project/freelance

Freelance Junior Journalist will train AI models to understand and generate human-like text. Tasks include crafting responses, generating prompts, defining scoring criteria, and ensuring quality.

Freelance mathematicians with a degree and 2+ years of experience are sought to design problems, evaluate AI solutions, and improve AI reasoning for leading tech companies.

Remote | Full-time | Long-term | Freelance #JobOpening #Logistics #SupplyChain #3PL #InternationalFreight ... part of a sustainability-driven company where your work has real environmental impact - Competitive freelance

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

and grow as a Fullstack Developer Proven hands-on experience with AI projects (academic, personal or freelance

Job Title: Content Reviewer Location: Remote /Portugal Type: Freelance Required Engagement: 30 hours

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.

Freelance AI trainer needed to design and develop computational biology problems requiring Python programming. Must have a biology degree, Python proficiency, and experience with biological data analysis and algorithms.

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.