LLM Assistant for Legacy Code Migration

Overview

Problem

Aging services had brittle dependencies and sparse documentation, slowing migration planning.

Solution

• Built code understanding workflows for dependency mapping and risk flags
• Generated migration drafts and test scaffolds with developer review loops
• Added quality gates and rollout playbooks for controlled production releases

Outcome

• 32% faster migration throughput
• 29% reduction in regression defects
• 3x faster onboarding for newly assigned engineers

“Our migration timeline compressed without sacrificing reliability.”