Irfan Ali

German price comparison platform with millions of daily users. Migrated the production app from legacy PHP to React with Hypernova for SSR, and moved infrastructure from self-managed servers to AWS with GitHub Actions CI/CD. The platform stayed live with real production traffic throughout.

• +Legacy PHP to modern React migration on a live platform
• +Hypernova SSR at millions-of-daily-users scale
• +Infrastructure migration to AWS with proper CI/CD

Multi-property booking platform serving millions of customers with its own apartment inventory. Built the self check-in flow backend on NestJS with OAuth integrations and async job queues, with retries and idempotency on the operations that matter.

• +Multi-property booking at multi-million customer scale
• +Self check-in flow with async job queues, retries, and idempotency
• +Role-aware flows for guests and operations staff

AI testing SaaS I built and run. Multi-tenant with real paying customers: Stripe subscription billing, async test runner pipelines on Bull/Redis, AI test plan generation, and multi-service deployment on GCP and Cloudflare.

• +Multi-tenant SaaS with row-level security for tenant isolation
• +Full Stripe stack: checkout, subscriptions, customer portal, webhooks
• +Async AI test plan generation pipeline

AI recommendation engine for Swedish diagnostic labs. Real medical data flows through OpenAI, LangChain, RAG, and pgvector, with structured output validation, fallback paths, and human-in-the-loop review where doctors approve AI recommendations before they reach patients.

• +AI recommendations on real medical data under EU regulatory frameworks
• +Human-in-the-loop review: doctors approve before patient delivery
• +n8n workflow automation for doctor-patient scheduling

Workforce management platform for hospitals, clinics, and nursing homes. AI-powered scheduling, real-time staffing dashboards, cross-facility staff pooling, agency integration, CMS compliance reporting, and a mobile app for clinical staff.

• +AI-powered shift scheduling across healthcare facilities
• +CMS compliance reporting generated automatically
• +Cross-facility staff pooling and agency integration

Autonomous AI marketing agent for SMBs, used by agencies managing hundreds of business locations. AI-generated Google Business Profile posts, sentiment-aware review replies, Q&A management, rank tracking, a content safety layer with a second AI validation pass, and Stripe tiered billing.

• +Autonomous AI content generation and publishing for hundreds of locations
• +Content safety layer: second AI checking pass before anything goes live
• +Multi-location agency management with bulk actions and per-location settings

Online ordering platform for one of Pakistan's largest pizza chains, handling thousands of orders daily across many branches. Full customer site, admin panel, real-time order tracking, POS integration with kitchen receipt printing and display screens, and sub-150ms API responses via Redis caching.

• +Thousands of daily orders across multiple branches
• +Real-time order tracking via Socket.IO with no page refresh
• +POS integration with kitchen receipt printing and display screens
• +Race-condition-safe delivery assignment via database row-level locking

Large-scale car selling and purchasing platform for the UAE and KSA, rebuilt entirely from legacy PHP to a modern stack. Sole web developer in a 4-person team, with 2800+ commits in 5-6 months and full frontend and backend ownership.

• +Full platform rebuild from legacy PHP to modern stack
• +33-40% SEO and performance gains post-migration
• +Full Arabic/English multilingual support for UAE and KSA markets
• +Typesense integration for fast, accurate car search

AI assistant connecting Slack, GitHub, Linear, and Jira in one place. Users type plain-English commands and the agent executes actions across all four platforms. Built primarily with Claude Code as the development environment.

• +Multi-platform AI agent built on MCP and tool calling
• +Plain English to executed actions across Slack, GitHub, Linear, and Jira
• +Real-time streaming via SSE for action progress

AI-powered UX analysis platform: upload a screenshot of any UI and get a structured UX report grounded in 13 UX laws. Multi-step LLM analysis chain with LangSmith tracing, structured output enforcement at the tool-call boundary, and layered cost governance.

• +4-step LLM analysis chain with per-step Redis checkpointing
• +Structured output via OpenAI tool-call schema enforcement with automatic retry
• +Layered cost governance with a hard daily kill-switch
• +LangSmith tracing for production observability across every call

Worked across MediaMarkt Saturn Retail Group, one of Europe's largest consumer electronics retailers, in Germany and 9 other EU countries, PWA architecture, and MongoDB-backed authentication with real production e-commerce traffic.

• +PWA architecture for MediaMarkt Saturn
• +MongoDB-backed authentication at major European retail scale