Technology|Product Engineering|Increase Efficiency

CiscoSoftware development automation

Fixing defects in massive C++ systems took weeks. AI agents now run autonomous compile-test-fix loops, resolving issues in hours.

Jan 23, 2026|13 days ago

The company

Networking, security, and IT infrastructure for enterprise digital operations.

IndustryTechnology
LocationSan Jose, CA, USA
Employees50K-100K
Founded1984

The story

A global technology leader operating some of the world’s most complex software systems with massive multi-repository, C/C++-heavy codebases.

Manual workflows for build optimization, defect remediation, and framework migrations were time-consuming across massive, interconnected repositories. Existing standalone developer tools lacked the agency to navigate these complex environments or adhere to strict enterprise security and governance requirements.

The organization embedded Codex directly into production workflows as an agentic teammate capable of executing autonomous compile-test-fix loops. The system analyzes build logs to optimize dependencies across 15 interconnected repositories and automates defect remediation in C/C++ codebases. For framework migrations, agents handle repetitive code changes autonomously to accelerate version updates.

Scope & timeline

  • 1,500+ engineering hours saved per month
  • ~20% reduction in build times
  • 10-15x increase in defect resolution throughput

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