# Mohammed Abdelhady > Senior Software Engineer based in Dubai, United Arab Emirates. Congar is his personal website for work, writing and independent products. Frontend engineer with more than a decade building enterprise platforms and SaaS products. Focused on web fundamentals, architecture, performance, and security. Congar Prism is a visual design quiz on this website. ## Profile and work - [Extended text reference](https://www.congar.dev/llms-full.txt): Profile, work records, project contributions, article summaries and design guidance, with source links. - [About Mohammed](https://www.congar.dev/about): Background, engineering focus and personal identity. - [Professional background](https://www.congar.dev/experience): Published roles, dates and company project connections. - [Projects](https://www.congar.dev/projects): Independent tools and company project stories with technologies and contributions. - [Contact](https://www.congar.dev/#contact): Contact Mohammed about work and collaboration. Confirm current availability directly. ## Products - [Congar Prism](https://www.congar.dev/taste): Visual design quiz. Start here for how it works and the short quiz. - [Full design Reel](https://www.congar.dev/taste/reel): An interactive exploration of 26 visual design decisions. - [Hyperflow](https://www.congar.dev/projects/hyperflow): Markdown workflows that carry planning, implementation, review, and handoff between coding tools. - [Phasewire](https://www.congar.dev/projects/phasewire): A local workflow workbench that preserves planning, execution, and review as portable events. - [Authentication starter](https://www.congar.dev/projects/authentication-starter): A Next.js and NestJS starting point for sign-in, linked accounts, roles, permissions, and sessions. - [Cloudix Cloud Storage App](https://www.congar.dev/projects/cloudix): Cloud storage web application demonstrating product-grade UI patterns with secure authentication, structured file management, and modern Next.js architecture. ## Articles - [Jalapeño and the economics of inference](https://www.congar.dev/articles/openai-jalapeno-inference-economics): OpenAI's custom chip makes repeated inference a procurement question. The benchmark is promising; production cost, reliability, and bargaining power are separate tests. - [JavaScript Array Internals: Memory Layout Without the Myths](https://www.congar.dev/articles/javascript-array-internals-memory-layout): JavaScript arrays are objects with specialized element storage: engines may pack dense indexed elements contiguously, but holes, mixed types, and properties force more general representations. - [React Fiber: Buffers, Hooks, Lanes, and Commit](https://www.congar.dev/articles/react-fiber-buffers-hooks-lanes-commit): Work-in-progress buffers hold the next tree, hooks store state on fibers, lanes prioritize updates, and commit applies the finished tree in a short, ordered phase. - [React Fiber: How the Tree Walk and Work Loop Actually Run](https://www.congar.dev/articles/react-fiber-tree-walk-loop): Fiber walks units of work depth-first, can pause between units, and only finishes a tree when the work loop completes without higher-priority interruption. - [JavaScript Event Systems and File Watchers](https://www.congar.dev/articles/javascript-event-systems-file-watcher): File watchers are event producers on top of the host event loop: changes are detected, queued, and delivered asynchronously—never by busy-waiting in JavaScript. ## Design reference - [Identity guide in Markdown](https://www.congar.dev/design/guide.md): Colors, typography, logo assets, interaction and motion guidance. - [Design tokens](https://www.congar.dev/design/tokens.json): Machine-readable color, type, motion and asset values. - [Design concept](https://www.congar.dev/design): The visual identity and its applications. ## Optional - [github](https://github.com/Mohammed-Abdelhady): Mohammed's public github profile. - [linkedin](https://linkedin.com/in/mohammedabdelhady): Mohammed's public linkedin profile. - [dev](https://dev.to/congar97): Mohammed's public dev profile. - [twitter](https://twitter.com/MohAbdelhady1): Mohammed's public twitter profile. - [Sitemap](https://www.congar.dev/sitemap.xml): Indexable pages and their images. - [Article feed](https://www.congar.dev/rss.xml): Published article updates.