Imtiaz Haque

I'm a Senior Fullstack Engineer based in the UK with six years of production experience building B2B SaaS platforms end-to-end. My background is predominantly PHP backend and SQL, with most of my work sitting at the architecture, performance, and system design level.

The projects I'm most proud of: I led a full Domain-Driven Design migration on a live platform processing millions in annual revenue, defining service boundaries, evolving schemas, and establishing patterns that reduced feature delivery time by 10% while keeping the system stable for existing consumers. I also diagnosed and resolved a compound production performance issue that took a 12-second page load down to 0.6 seconds by systematically tracing PHP execution paths, identifying a poorly structured JOIN and a database query pattern running inside a loop. Both are examples of the kind of work I find genuinely satisfying: understanding a real problem properly rather than patching around it.

On the product side, I architected an enterprise licensing and e-commerce platform from zero to a production system handling millions in annual B2B revenue, taking it end-to-end from data model through user-facing interfaces and cross-functional stakeholder work.

My current day-to-day stack is PHP, vanilla JavaScript, and MySQL/PostgreSQL. I have TypeScript experience in Vue components and I'm actively building a cross-platform desktop application in TypeScript, React, and Electron. My Node.js background is from an earlier commercial project that I'm working to rebuild into a current strength. I'm upfront about where I'm growing versus where I'm already productive from day one.

I'm looking for senior remote roles at companies where backend architecture, engineering culture, and code quality matter. B2B SaaS, e-commerce platforms, and performance-critical systems are the contexts where I do my best work. UK-based, available across European time zones. Open to PHP, Node.js, or backend-heavy fullstack roles with a modern engineering team that values architectural thinking alongside delivery.