PHPCase Study

Legacy Monolith Modernization with an Embedded Engineering Pod

An embedded senior engineering pod that carved a 12-year-old PHP monolith into deployable services alongside the client’s own team, taking releases from quarterly to daily with no feature freeze and no rewrite from scratch.

Direct Business Impact

"Took releases from quarterly to daily with no feature freeze, cut new-engineer onboarding from 8 weeks to under 2, and avoided the 18-month rewrite entirely — the roadmap kept shipping throughout the migration."

01 · Baseline Bottlenecks & Legacy Constraints

A logistics software company depended on a 12-year-old PHP monolith with no automated tests, a release process that took a weekend of manual regression checks, and a handful of original authors who had long since left. Shipping had slowed to roughly one release a quarter, onboarding a new engineer took two months, and leadership had been quoted an 18-month full rewrite that would have frozen the product roadmap for the duration.

Key Deliverables & Milestones

3 Highlights

Strangler-fig migration with zero-downtime cutover, service by service

Automated test harness & CI/CD replacing manual quarterly releases

Pair programming and handover so the in-house team owns the result

Technology & Infrastructure Stack

PHPNode.jsTypeScriptPostgreSQLDockerGitHub ActionsAWS

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