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 ~4KB 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.