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Modernized 8 legacy .NET components in 2 weeks using AI automation, reducing estimated delivery time from 2-3 months.

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Key Results

70% faster delivery - 2 weeks vs 2-3 months
Zero downtime with dynamic configuration
Business logic confirmed unaffected
Future-ready architecture

Technologies Used

.NET Core Azure DevOps Claude Code Microsoft Copilot OpenAI Codex Context 7 MCP Atlassian MCP

Why This Mattered

Legacy .NET services were throttling feature delivery. Waiting months for a re-write would have frozen roadmap milestones, yet a rushed migration risked bringing production down. We needed a safer, faster path.

Accelerated Analysis

  • AI mapped dependencies and call graphs in hours instead of weeks
  • Automated diffing surfaced business-critical logic for human review
  • Impact summaries guided sequencing so teams always tackled the riskiest modules first

Automated Migration

  • AI-generated conversion patches handled repetitive refactors with human oversight
  • Template-driven scaffolding standardized configs, logging, and secrets management
  • Continuous integration ran modernization scripts on staging daily to harden the rollout path

Quality Without Downtime

  • Regression suites—authored with AI assistance—validated business logic line by line
  • Toggle-based releases kept traffic flowing while services flipped to the modern stack
  • Dynamic configuration ensured rollback plans were measured in minutes, not days

The Outcome

Eight critical services moved to a cloud-ready architecture in two weeks with zero customer disruption.

The playbook is now reusable, giving the client confidence to modernize future workloads without slipping delivery dates.

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