AI Briefing
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The Future of Development in the AI Era, as Seen by Pandas' Creator

·2026.07.18 20:30

Key point

Wes McKinney, the creator of Pandas and Apache Arrow, analyzes the changes in software engineering and the limitations of LLMs in the AI era.

Details

Drawing on his experience building Pandas and Apache Arrow, Wes McKinney emphasizes that even in the AI era, expertise, judgment, and taste remain the core requirements for designing high-performance data systems.

The Role of Apache Arrow: A universal in-memory layer for tabular data that standardizes transfer and processing across systems. As more systems adopt it, the value of interoperability grows as well.

Limitations of LLMs: Sophisticated systems like DuckDB and DataFusion are hard to replace with just the average code generation of LLMs. The competitiveness of open source includes not only code but also a long-accumulated track record of trust and quality.

The Agentic Tarpit: AI tools greatly boost the productivity of highly proactive developers, but if what to build isn't clear, average solutions and code can pile up, creating a situation that even agents find hard to escape.

Changes in Future Development Skills: Architecture design, problem definition, communication, and the ability to evaluate results become more important than language syntax and hand-coding. Organizations must also manage the increased burden of decision-making and token costs.

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