Junior AI Engineer

New
C
CENSUSAI cybersecurity
Fully remote in EuropeFull-TimeJunior
Salary not disclosed
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Job Details

Languages
Good written English
Experience
At least 1 year of hands-on experience in AI, Machine Learning or Data Science engineering. Internships count.
Required Skills
DockerPythonSQLGitMachine Learning

Requirements

  • Have at least 1 year of hands-on experience in AI, Machine Learning, or Data Science engineering; internships count.
  • Have shipped at least one ML or LLM feature into production or a codebase used by others.
  • Write readable, tested Python code that others can review.
  • Have experience working in a team codebase using Git, pull requests, and code review.
  • Have practical experience building and evaluating LLM applications, such as prompting, RAG, or agents.
  • Understand machine learning fundamentals and be able to design experiments and interpret results.
  • Have working knowledge of SQL and Docker.
  • Work independently on well-scoped tickets and raise blockers early.
  • Have good written English.
  • A degree in Computer Science, AI, Machine Learning, Data Science, or a related field, or equivalent practical experience.

Responsibilities

  • Design, build, and ship LLM-based features and the evaluations that demonstrate their performance.
  • Own retrieval (RAG), agent, and tool-routing systems that answer questions over security data.
  • Build datasets and fine-tune open models on security data, measuring results against a baseline.
  • Scope tickets with a mentor and support each change with before-and-after results.
  • Review teammates’ pull requests and help guide interns.
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