LLMs didn't kill feature engineering. Engineers did.

📰 Dev.to · Jignesh Maheshwari

Learn why LLMs didn't replace feature engineering and how engineers can still apply their skills to improve model performance

intermediate Published 30 Jun 2026
Action Steps
  1. Recognize that LLMs still require high-quality input data to perform well
  2. Identify areas where feature engineering can complement LLMs
  3. Apply feature engineering techniques to improve model performance
  4. Collaborate with data scientists to integrate feature engineering into LLM workflows
  5. Monitor and evaluate the impact of feature engineering on LLM performance
Who Needs to Know This

Data scientists and engineers can benefit from understanding the role of feature engineering in improving LLM performance, and how to apply their skills to drive better model outcomes

Key Insight

💡 Feature engineering is still a crucial step in improving LLM performance, and engineers have a key role to play in driving model outcomes

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🚀 LLMs didn't kill feature engineering! Engineers can still drive model performance with clever feature engineering 🤖

Key Takeaways

Learn why LLMs didn't replace feature engineering and how engineers can still apply their skills to improve model performance

Full Article

Somewhere around when LLMs started eating every roadmap, a quiet belief took over a lot of teams. If...
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