33 freelance English-speaking jobs in Porto

Position: Fixed Term or Freelance Recruiters Location: Remote, Europe Employment type: Freelance - able ... This freelance role offers either a commission-based structure or fixed term arrangement (SLA). ... David Kennedy Recruitment is on the lookout for an amazing Freelance Recruitment Partner to join our

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

Freelance Agent Evaluation Engineer needed to build virtual companies, design and calibrate tasks, and write tests for AI agents. Requires 5+ years software development experience, primarily Python, and experience with full-stack development, testing, Docker, and CI/CD.

ideal candidate meets the following criteria: Holder of or willing to open self-employment status (freelance

Freelance AI trainer needed to design material engineering problems requiring Python programming for AI system testing and evaluation. Must have a degree in Material Science or related field, Python proficiency, and 2+ years of professional experience.

About The RoleThis is a freelance role for a Tendem project. ... scenarios) is a plus English proficiency: Upper‐intermediate (B2) or above (required) BenefitsWhy this freelance

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

Freelance Civil Engineer to design computational engineering problems requiring Python programming for solutions. Must have a Civil Engineering degree and Python proficiency for numerical validation.

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.

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

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).

About the Role This is a freelance role for a Tendem project. ... Benefits Why this freelance opportunity might be a great fit for you?

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 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 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.

Freelance AI trainer needed to design and develop computationally intensive statistical problems requiring Python programming. Must have a degree in Statistics or related field, 2+ years of experience, and strong written English.

Kubernetes Database Engineer will design, deploy, and operate database services on Kubernetes. Responsibilities include managing PostgreSQL databases, implementing persistent storage solutions, and developing automation for provisioning and scaling. Requires experience with Kubernetes, PostgreSQL, HA/DR architecture, CI/CD pipelines, and Infrastructure as Code.