Replaced compile-time C# enums with database-driven workflow statuses across 5 API layers (controller, business logic, data access, storage, and frontend), eliminating code deployments for status configuration changes.

Angular component that replaced 600+ lines of duplicated form markup across contract details and insurance record forms with a single configurable field renderer.

Migrated dashboard from client-side filtering to server-side pagination using PrimeNG lazy-loaded tables with bookmarkable URL query parameter state.

Built the entire unit test infrastructure for a .NET 8 API with zero existing tests, plus fixed 20+ broken Angular component tests to restore CI green status.

Fixed a critical bug where PDF and Excel exports only included the current paginated page instead of all filtered results, silently sending incomplete data to stakeholders.

End-to-end integration of OneSchema for bulk data imports, replacing a brittle in-house parser.

Distributed job queue for long-running content generation tasks using BullMQ and Redis.

Drag-and-drop workflow builder enabling teams to chain AI prompts into reusable pipelines.

Migrated monolithic Express handlers to a modular NestJS architecture with dependency injection.

Platform-wide RBAC system supporting workspace-level roles and fine-grained permissions.

Rebuilt the primary candidate-facing dashboard from a Rails view into a Next.js SPA.

Design-system component library built with Material UI and documented in Storybook.

Server-side rendered marketing and landing pages optimised for SEO and Core Web Vitals.

A personal RSS reader that groups items by day with read/unread tracking. Runs as a web app or a CLI over the same core, and gets each user's identity from the Tailscale ingress header instead of passwords.

An agent and web app that plans a household's weekly FreshDirect order: predicts which staples are due for restock, builds a draft cart with live prices, keeps it under a weekly budget, and hands off a ready-to-checkout cart once the household approves it.

Strict, immutable date and time utilities for JavaScript and TypeScript with zero runtime dependencies. Pure named functions over frozen records, with separate exact elapsed-time and calendar wall-time arithmetic.

A ~6KB gzipped WYSIWYG editor for the browser with a built-in XSS sanitizer. Built on contentEditable and MutationObserver, with a customizable tag/attribute allowlist and a standalone sanitizer module that can be used on its own.

A small, auditable Python CLI that turns Citi Bike ride receipt emails in Gmail into Strava activities with the real route map, correct distance, and proper timestamps. You register your own Google and Strava apps, so tokens never leave your machine.

An MIT-licensed template for a small, private neighborhood website: approval-gated sign-in, event pages, and a searchable archive of the block's Google Group. Runs entirely within Cloudflare's free tiers.

A Windows-native Python tool that reverse-engineers Microsoft Access .accdb/.mdb applications into a structured catalog, then renders documentation and migration artifacts from it.