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Navigating Machine Learning Careers: Insights from Meta to Consulting // Ilya Reznik // #286

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Jan 27, 2025
Ilya Reznik, an ML Engineering Thought Leader with 13 years at Meta, Adobe, and Twitter, shares his journey and insights on navigating machine learning careers. He discusses the limitations of traditional model fine-tuning and promotes innovative methods like prompt engineering. Ilya emphasizes the significance of practical applications from recent conferences and offers guidance for aspiring ML engineers aiming for senior roles. His rich experience blends technical expertise with practical career advice, making it a gem for those in the AI field.
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ADVICE

Prompt Engineering First

  • Prioritize prompt engineering over fine-tuning when possible.
  • Fine-tuning large language models (LLMs) requires significant effort and can decrease performance on general tasks.
INSIGHT

Fine-Tuning Gamble

  • Fine-tuning LLMs is a gamble, with outcomes uncertain until the process completes.
  • Careful data selection is crucial, prioritizing relevance over quantity, as fine-tuning impacts overall performance.
INSIGHT

LLM Limitations

  • LLMs excel at form and expert language but not knowledge retention due to their probabilistic nature.
  • Fine-tuning for specific knowledge domains is often ineffective; alternative approaches like Retrieval Augmented Generation (RAG) offer better solutions.
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