Full-Stack Engineer: Legacy Modernization & API Migration
Posted Updated
Description
KeY2Moon Solutions is rebuilding critical modules in TypeScript/Node.js to preserve billing and SLA logic while migrating from legacy systems.
The role focuses on translating legacy behavior into testable requirements, implementing replacement APIs with SQL-backed data integrity, and collaborating with QA to validate edge cases using Playwright and API regression suites.
You will document decision logic and work with analysts to ensure safe migration during release windows.