Engineering work

Case Studies

Technical breakdowns of projects built and delivered by Website Reactor. Each study documents the problem, the approach, and the measurable outcomes.

Project portfolio

Selected Projects

SaaS Platform

Multi-Tenant SaaS Platform Rebuild

Complete rebuild of a legacy multi-tenant application from a monolithic PHP 5.6 codebase to a modern, containerized architecture. New API layer, role-based access control, and subscription billing integration.

  • PHP 8.2 with Laravel, PostgreSQL, Redis
  • Stripe billing with usage metering
  • Zero-downtime deployment pipeline
94
Lighthouse score
—68%
Server response time
99.9%
Uptime SLA
Infrastructure

E-Commerce Infrastructure Overhaul

Performance and security audit followed by a full infrastructure rebuild for a high-traffic e-commerce platform. Database query optimization, caching strategy, and CDN integration reduced load times by 71%.

  • MySQL query profiling and index optimization
  • Redis object caching + Nginx page cache
  • WAF configuration with OWASP ruleset
—71%
Page load time
—84%
Database query load
AI Integration

RAG-Powered Documentation Search

Semantic search system built over 40,000 technical documentation pages for a software vendor. Vector embeddings, hybrid retrieval, and an LLM-generated answer layer with citation support.

  • pgvector for embedding storage
  • Hybrid BM25 + cosine similarity retrieval
  • Anthropic Claude API for answer synthesis
40k
Documents indexed
<800ms
P95 response time
Automation

Document Processing Pipeline

Automated ingestion, classification, and routing of incoming legal documents. OCR extraction, AI-powered classification, structured data output to case management system via REST API.

  • Python worker pool with Redis queue
  • GPT-4o structured output for classification
  • Dead-letter queue with human review escalation
2,400
Documents/day
—91%
Manual processing
Platform

Real-Time Data Dashboard

Custom analytics and monitoring dashboard for an industrial client. Real-time data ingestion via WebSocket, time-series storage, alerting logic, and a responsive front-end with configurable views.

  • Node.js WebSocket server + TimescaleDB
  • Threshold-based alerting engine
  • Role-based dashboard access
150ms
Data refresh rate
50+
Concurrent feeds
Security

Security Hardening & Compliance Review

Full security audit and hardening of a fintech web application ahead of a compliance review. Remediated 14 identified vulnerabilities, configured strict CSP, and implemented structured logging for audit trails.

  • OWASP Top 10 vulnerability assessment
  • CSP, HSTS, and header policy implementation
  • Structured audit logging to append-only store
14
Vulnerabilities remediated
A+
Security headers grade
How we document

About These Case Studies

These summaries reflect real project types and representative metrics. Specific client details are not disclosed without consent. Where metrics are shown, they represent the measured delta between pre- and post-engagement baselines.

If you are evaluating Website Reactor for a similar project, we can discuss comparable work and relevant technical approach in more detail during an initial consultation.

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