Prompt Engineer - 9+ vacatures

10x.Team

10x.Team is seeking a freelance prompt engineer or AI trainer for a remote role based in the EU or UK. This position requires expertise in evaluating and refining AI-generated content, with an expected workload of 8–20 hours per week. As part of a leading team, you'll contribute to enhancing AI syst

10x.Team

Updated: 27 April 2026 Freelance | 8–20 hrs/week | Remote (EU/UK) Are you an experienced prompt engineer or AI trainer who instinctively spots gaps in AI-generated reasoning and understands the realities of prompt engineering? Do you have 8 to 20 hours per week available alongside your main job or c

Joveo AI

About Joveo: Every company says they're "AI-first." We actually are. Joveo's recruitment advertising platform processes millions of hiring decisions through machine learning, real-time bidding, and predictive analytics — helping the world's largest employers find the right people, faster and fairer.

Joveo AI

About Joveo: Every company says they're "AI-first." We actually are. Joveo's recruitment advertising platform processes millions of hiring decisions through machine learning, real-time bidding, and predictive analytics — helping the world's largest employers find the right people, faster and fairer.

Mercor

A leading tech firm is seeking a Freelance Software Engineer to craft developer prompts, write technically accurate responses, and collaborate with AI teams. The role requires over 2 years of experience, proficiency in programming languages like Python and JavaScript, and strong technical writing sk

A tech evaluation firm in Belgium seeks a skilled developer to craft realistic prompts for AI models, focusing on code review and debugging tasks. You'll be responsible for evaluating AI outputs based on clarity and logic, requiring strong software engineering skills and the ability to work independ

Mercor

A leading tech company in Belgium is seeking a freelance Software Engineer to craft realistic developer prompts and collaborate with AI research teams. The ideal candidate will have over 2 years of experience, proficiency in programming languages such as Python and Java, and a Bachelor's degree in a

A leading technology firm based in Belgium is seeking a freelance Software Engineer to create developer prompts and collaborate with AI research teams. The ideal candidate will have at least 2 years of experience and a bachelor's degree in a relevant field. This position offers a flexible commitment

Mindrift

A project-based AI consulting firm in Belgium seeks legal consultants with US law experience for part-time, non-permanent projects. Contributors will generate prompts and evaluate AI solutions, requiring a law degree and 2+ years of legal practice. Strong written English proficiency is essential. Co