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Engineering Case Studies

Six detailed deep-dives into real engineering challenges — problem, approach, architecture, and measurable results.

Performance & UX 18 min read

Checkout Conversion: +34% in 90 Days

How I diagnosed a 68% cart abandonment rate, redesigned the checkout flow, and implemented targeted performance optimizations that recovered $2.4M in monthly lost revenue.

+34%
Conversion
-81%
Load Time
$2.4M
Revenue
Vue 3NuxtPerformanceA/B Testing
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Architecture 22 min read

Design System: From 23 Variants to 1

Building a token-based design system that eliminated 87% of UI inconsistencies across 40+ teams — the technical decisions, organizational challenges, and adoption strategy.

40+
Teams
-87%
Inconsistencies
+40%
Dev Speed
Design SystemVue 3StorybookTeams
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Architecture 25 min read

Micro-Frontend: 45-Min Builds to 8 Min

Decomposing a 400k LOC Vue 2 monolith into independently deployable micro-frontends using Webpack 5 Module Federation — the good, the painful, and the lessons learned.

-82%
Build Time
8 indie
Teams
0 min
Downtime
Micro-FrontendsArchitectureModule Federation
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Accessibility 20 min read

Accessibility: 847 Violations to 51

A 6-month systematic accessibility remediation — how we diagnosed 847 WCAG violations, built a remediation pipeline, and achieved full WCAG 2.1 AA compliance.

-94%
Violations
WCAG AA
Compliance
CI/CD
Pipeline
AccessibilityWCAGTestingCI/CD
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Migration 28 min read

Vue 2 → 3: Zero-Downtime Migration

9 months. 300+ components. 1M+ users. Zero downtime. The exact strategy, codemods, and testing approach that made it possible.

300+
Components
0 min
Downtime
34%→89%
Coverage
Vue 3MigrationCodemodsTesting
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Performance 16 min read

Core Web Vitals: LCP 5.4s → 1.57s

A cross-product performance engineering initiative that improved LCP by 71%, INP by 83%, and CLS to 0 — with a measurable 12% revenue impact.

-71%
LCP
-83%
INP
+12%
Revenue
PerformanceCore Web VitalsLCPINP
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