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How GitHub Copilot Agent Mode is Reshaping My Workflow as a Data Engineer

3 min readJun 1, 2025

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Photo by julien Tromeur on Unsplash

“Do you want me to just write the test for you?”
That’s the kind of nudge GitHub Copilot Agent Mode gave me recently — and it changed how I code, forever.

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As a data engineer working with Databricks, Spark, and Python pipelines, I’ve gotten used to juggling between writing production logic, documentation, test coverage, and orchestration YAMLs. But this week, GitHub Copilot Agent Mode felt like I finally had a junior engineer pair-programming with me… except one that never gets tired, distracted, or bored of writing unit tests.

🤖 What is Copilot Agent Mode?

Agent Mode is a new upgrade to GitHub Copilot that goes beyond autocomplete. It’s an AI coding agent embedded right into your IDE (like VS Code) that can:

  • Understand your entire codebase
  • Answer context-aware questions
  • Make targeted multi-file edits
  • Write boilerplate tests and configs
  • Help with documentation or error explanations

Think of it as ChatGPT fine-tuned for your codebase, and tightly integrated into your day-to-day flow.

🧑‍💻 My Day Using Copilot Agent in…

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Nnaemezue Obi-Eyisi
Nnaemezue Obi-Eyisi

Written by Nnaemezue Obi-Eyisi

I am passionate about empowering, educating, and encouraging individuals pursuing a career in data engineering. Currently a Senior Data Engineer at Capgemini

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