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2025 FirstMark CTO Summit

A Look Ahead: The Impact of AI on Engineering

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06.26.2025

David Waltcher

Principal, FirstMark

Key Takeaways

1. AI Codegen Is Real—and Fast

  • 82% of engineering orgs are already using AI to write code.

  • Teams are seeing 30–50% faster coding throughput and more time spent on roadmap work vs. maintenance.

2. But It’s Breaking Everything Downstream

  • Surge in bugs, brittle CI/CD pipelines, flaky tests, and security vulnerabilities.

  • Existing DevOps tooling wasn’t built for stochastic, AI-generated code.

3. A New Class of Tools—and Companies—Will Emerge

  • Huge market opening across QA, code review, observability, and AI-native security.

  • Expect AI-first agents for spec validation, autopatching, and semantic QA.

4. Engineering Roles Are Shifting

  • The 10x coder is being replaced by the 10x editor.

  • CTOs need reviewers, curators, and prompt engineers who understand quality, not just builders.

5. Organizational Design Must Evolve

  • Smaller, high-leverage teams are outperforming legacy structures.

  • Governance is moving from review culture to provenance tracking and AI usage policies.

6. Architecture Is Getting Machine-Legible

  • Constraints and guardrails are replacing human-enforced conventions.

  • Systems must be designed for AI to understand and work within.

7. Security Is a Growing Fire

  • Vulnerabilities are rising due to buggy open-source training data.

  • Security models must catch issues at the time of code generation—not after deployment.

8. Every AI Boom Brings a Cleanup Crew

  • Like the printing press or assembly line, codegen’s productivity leap will require new infrastructure, standards, and roles to handle the aftermath—and it’s happening now.