Production systems and applications I've built and maintained — from enterprise operations platforms to backend APIs and full-stack products. For deeper write-ups, see the case studies.
Large-scale enterprise operations platform for a wholesale distribution business. Handles complex inventory management, multi-currency transactions, and integrates with CRM, payment gateways, and shipping providers. Achieved 40% performance optimization on critical data pipelines.
Full-stack enterprise collaboration platform built as an Atlassian Jira Connect application. Features advanced real-time diagramming with operational transformation, project planning with bidirectional Jira synchronization, team surveys, and multi-user collaboration.
Progressive Web App connecting service professionals with clients. Built 80+ screens with intelligent discovery, complete booking management, secure Stripe payments, real-time messaging, and event ticketing. Achieved 87% onboarding completion rate and 98.4% payment success rate.
Multi-tenant SaaS platform for gym and fitness operations. Covers membership management, class scheduling, personal training, fight-night bookings, Stripe payments, and real-time check-in via SignalR.
Full-featured Angular SPA for education agencies and institutional partners. Manages the complete student journey — course search, enrollments, applications, and case management — alongside partner and institution management, commissions, and health cover quotes.
Full-stack admin platform for a subscription meal-delivery business. Handles subscription plan catalogs, order lifecycle, meal-time delivery scheduling, price-history tracking, and daily kitchen production reporting — built on a NestJS REST API and an Angular admin portal.
Cross-platform consumer fintech mobile app for on-demand access to earned pay. Features a multi-step KYC onboarding flow with in-app document and identity capture, bank linking with income verification, secure OTP authentication, and an instant withdrawal experience — built with Ionic, Angular, and Capacitor against a Firebase backend.
Whether it's a slow application, a legacy codebase, a tricky integration or ongoing engineering support — tell me what you're working with and I'll let you know how I can help.
