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Reimagining a defect lifecycle with AI

Software development has always been a collaborative effort. Developers build, QA validates, support listens to customers, and together…

Katrina Collins · 2025-12-21 17:03 · 1 claps · 2.4 min read
#ai-agent #codingllm #fix-defects-with-ai #ai-in-qa #qa-cycle
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Reimagining a defect lifecycle with AI

Software development has always been a collaborative effort. Developers build, QA validates, support listens to customers, and together teams improve the product over time.

AI does not change this foundation. It strengthens it.

The future development cycle brings QA engineers, coding models, and AI agents together into a tightly connected workflow where each plays a clear role. Humans define quality, context, and intent. AI accelerates execution, analysis, and consistency.

A new defect lifecycle

Consider a modern test environment.

A QA engineer discovers an issue during testing. An AI agent assists by creating a defect with the technical details already attached, logs, environment data, reproduction steps, and system state.

The QA engineer reviews the issue, adds missing context if needed and approves it for fixing. This step is critical. It ensures the problem is framed correctly before any code is changed.

The defect is now ready for an AI-assisted fix.

AI fixes guided by human intent

Once approved, the AI agent applies the fix under defined constraints in a system prompt and in the defect description itself. (Is your defect clear enough for an AI Agent to fix it?)

Beyond changing the code, the agent documents what was modified, why the change was made, and which areas of the system could be affected. Based on the code paths touched, it highlights potential regression risks and dependencies.

The issue is then reassigned to QA for verification.

QA validates the fix exactly as they would any other change. If it passes, the work can be forwarded for code review and extended into unit tests or automated regression coverage.

AI accelerates the cycle, but humans remain responsible for quality decisions.

Applying the same flow to Live Issues

The same model works for production incidents.

A customer or support engineer reports a problem. QA or support reviews the report, adds important missing details, recent releases, feature flags, data conditions, or user behaviour patterns.

Once the issue meets a defined quality bar, it is sent to an AI agent for fixing. The fix is documented, risks are highlighted, and QA verifies the result before anything moves forward.

The workflow stays consistent, regardless of where the issue originates.

Knowing when developers fixes are required

Not every issue should be fixed by an AI agent.

A system prompt can estimate effort, complexity, and risk before any work begins. If thresholds are exceeded, such as architectural changes, security concerns, or cross-system impact, the issue is routed directly to a developer.

AI assists. Humans decide.

QA as the guiding layer

In this model, QA plays a central role.

QA engineers define what a good defect looks like. They provide the context that AI cannot infer. They validate fixes and ensure regression risks are understood and addressed.

AI becomes a highly capable assistant that learns from structure, feedback, and examples provided by QA.

The clearer the guidance, the better the results.

Faster feedback with confidence

This development cycle does not remove people from the process. It removes unnecessary friction.

Defects are clearer. Fixes are faster. Retesting is more focused. Developers spend more time on complex problems. QA spends more time ensuring real quality.

AI helps teams move quicker, but humans remain in control, guiding, verifying, and continuously improving the system together.

Most importantly customers get better quality products and bug fixes faster.

Thank you for reading. I hope it sparked your imagination and gave you the confidence to experiment with this new approach in your own teams.


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