Ai Evaluation Engineer — Create Ai Challenges Part-Time

An innovative AI company in Lisbon seeks part-time contributors for Quality Assurance roles focused on AI agents. Ideal applicants will have strong analytical thinking, attention to detail, and the ability to communicate findings in English. This freelance opportunity allows you to work flexibly on exciting AI projects while contributing to the future of...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for an AI Evaluation Engineer based in Portugal. As a founding AI Evaluation Engineer, you will design and build the evaluation, testing, and observability infrastructure that ensures production-grade AI agents perform reliably,...

A forward-thinking AI company based in Portugal is seeking a Mechanical Engineer with strong Python skills to train AI models on complex mechanical engineering problems. This role offers flexible, part-time freelance work and a chance to earn up to $33/hour. Candidates should have a degree in Mechanical Engineering and 3+ years of professional experience....

A project-based AI opportunity provider is seeking mathematicians for part-time projects in Lisbon, Portugal. Participants will evaluate and improve AI systems through tasks such as designing mathematics problems, validating simulations, and applying rigorous scoring criteria. Ideal candidates should have a degree in Mathematics, at least 3 years of...

Prestige Greeters in Braga is seeking a skilled Machine Learning Engineer for a part-time role with the potential to move to full-time. The ideal candidate will design and implement ML models, analyze large datasets, and collaborate with cross-functional teams to deliver production-ready solutions. The position offers a flexible work arrangement in Braga,...

Seeking a part-time Portuguese AI Quality Analyst for remote LLM evaluation, focusing on response quality and relevance.Requires Portuguese proficiency, analytical thinking, data annotation experience, and a bachelor's degree.Offers a short-term contract.

Mercor seeks a senior software engineer to contribute to an expert US/Europe-based AI lab project. You will commit about 20 hours per week on a short-term contract of 2–3 weeks, with promotion opportunities within the project. Compensation is competitive, ranging from $150 to $210 per hour depending on geography and experience. This role offers...

Seeking a remote Portuguese AI Quality Analyst to evaluate AI-generated responses.Requires strong Portuguese skills, analytical thinking, data annotation experience, and a bachelor's degree.Part-time contract role.

Jobgether is seeking an AI Evaluation Engineer to design evaluation, testing, and observability infrastructure for production-grade AI agents. You will create scalable evaluation pipelines, automate tests, and implement robust regression and adversarial scenarios, all in a fully remote, globally distributed setting.You will own the evaluation architecture,...