Perplexity Search Machine Learning Engineer Intern

The Perplexity Search Machine Learning Engineer Intern is a paid internship role at Perplexity based in London focused on retrieval and ranking for search. Interns run experiments to improve search quality, working on models, data and evaluation tools under senior engineer guidance. The programme runs for 12–24 weeks with full-time or part-time options and is in-person in London.

Hands-on experience working on production search ML (retrieval and ranking), mentorship from senior engineers, a 12–24 week full-time or part-time placement.

Applicants should have strong interest in ML/search (retrieval, ranking, evaluation), solid programming skills, and be able to work in-person in London for 12–24 weeks.