Hello, I'm Huzaifa Alfahl
Senior Full Stack Developer
Building elegant, performant applications
About Me
Senior Full Stack Software Developer & Team Lead with 6+ years of experience architecting scalable web platforms and AI-driven systems. Proven expertise in NestJS, Laravel, and React, with a focus on modernizing legacy infrastructure and integrating high-impact AI capabilities like vector-based matching and automated moderation. A results-oriented leader who has reduced operational costs by up to 70% while mentoring engineering teams to deliver elegant, high-performance solutions that align technical architecture with complex business goals.
Technologies
The tools and technologies I use to bring ideas to life
Featured Projects
A selection of my recent work and personal projects
Case Studies
Deep dives into the architecture, decisions and trade-offs behind selected systems
Professional Experience
My journey in software development and the impact I've made
Lead Full-Stack Developer
- •Designed high-performance search systems using Meilisearch and Sphinx, improving query response times and content discoverability
- •Implemented Redis caching and optimized database queries, reducing backend latency and improving overall application performance
- •Led modernization efforts including framework migrations and backend architecture improvements for legacy systems
- •Reduced Time to Interactive (TTI) by architecting a code-splitting strategy and leveraging React Server Components for heavy data fetching
- •Improved Core Web Vitals and SEO performance by eliminating layout shifts, optimizing asset delivery, and reducing render-blocking resources
- •Managed CI/CD pipelines using GitHub Actions with automated testing, deployment workflows, and AWS infrastructure provisioning
- •Conducted code reviews, mentored developers, and coordinated backend architecture decisions across multiple product teams
- •Integrated APM and monitoring solutions for production systems, enabling performance bottleneck detection, error tracking, and infrastructure health monitoring
Full-Stack Developer
- •Built and maintained scalable backend services using NestJS and PostgreSQL, delivering Swagger-documented REST APIs
- •Implemented TanStack Query background refetching to maintain real-time data freshness and a reactive client-side experience
- •Integrated payment systems including Stripe and PayPal with subscription management and webhook processing
- •Refactored legacy APIs into a modern modular architecture, improving maintainability and development speed
- •Participated in CI/CD pipeline implementation using GitHub Actions, integrating automated testing and deployment workflows
Full-Stack Developer
- •Optimized rendering performance by implementing virtualization for large datasets and strategic memoization to minimize reconciliation overhead
- •Implemented background jobs and cron-based automation for system notifications and maintenance tasks
- •Architected a modular form system in Vue.js using Composables, improving overall UX consistency
- •Enhanced data integrity in Vue for complex multi-step form validation and error state management
- •Optimized database queries, indexing strategies, and memory-efficient data access patterns, improving application performance
Java Backend Developer Intern
- •Developed custom Java plugins using Spring Framework integrated into SAP Hybris Commerce platform
- •Implemented custom business logic and services following SAP Hybris architecture patterns and Spring best practices
- •Built custom extensions and modules extending Hybris core functionality with Spring dependency injection
- •Worked with Hybris data models, services layer, and facades to deliver e-commerce functionalities
- •Collaborated with senior developers on product catalog management and order processing workflows
- •Participated in code reviews and gained hands-on experience with enterprise-level e-commerce systems
- •Contributed to improving platform stability through bug fixes and unit testing
Open Source & Libraries
Libraries I've published and projects I've contributed to
nest-sse
NestJS Server-Sent Events Utility
A lightweight, high-performance library for implementing real-time unidirectional data streaming in NestJS applications.
Use Cases
- •Real-time AI model token streaming (e.g., ChatGPT-style response typing)
- •Live system monitoring dashboards and notification feeds
- •Low-overhead status updates for long-running background processes
Strapi Content Versioning Plugin
Open-Source Contribution (Strapi v4)
Community plugin adding content versioning to Strapi v4 (notum-cz/strapi-plugin-content-versioning).
- •Reported GitHub issues, forked the repository and fixed database query issues in the plugin to make it work reliably in production
Get in Touch
Have a project in mind or want to chat? Feel free to reach out!