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I'm Ahmed Magdy, a Senior Full Stack Engineer with 7+ years of experience building real-time, AI-enhanced production systems. I specialize in WebRTC/WebSocket backends, LLM integration layers, voice synthesis, and scalable event-driven architectures, delivering robust experiences at scale using Node.js, TypeScript, React, and related technologies. I've shipped infrastructure handling 47,000+ daily concurrent WebSocket/WebRTC connections with 99.99% uptime, integrated ElevenLabs voice synthesis and Vertex AI into healthcare platforms, and designed AI/LLM pipelines including RAG architectures and tool-calling workflows in enterprise environments. I'm passionate about building responsive multimedia chat interfaces, real-time communication systems with session continuity, and observability across complex stacks. I collaborate across product, design, and ops to deliver reliable systems and maintainable code, and I actively leverage AI development tools daily to push quality and productivity.…I'm Ahmed Magdy, a Senior Full Stack Engineer with 7+ years of experience building real-time, AI-enhanced production systems. I specialize in WebRTC/WebSocket backends, LLM integration layers, voice synthesis, and scalable event-driven architectures, delivering robust experiences at scale using Node.js, TypeScript, React, and related technologies. I've shipped infrastructure handling 47,000+ daily concurrent WebSocket/WebRTC connections with 99.99% uptime, integrated ElevenLabs voice synthesis and Vertex AI into healthcare platforms, and designed AI/LLM pipelines including RAG architectures and tool-calling workflows in enterprise environments. I'm passionate about building responsive multimedia chat interfaces, real-time communication systems with session continuity, and observability across complex stacks. I collaborate across product, design, and ops to deliver reliable systems and maintainable code, and I actively leverage AI development tools daily to push quality and productivity.

Ahmed Magdy

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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I'm Ahmed Magdy, a Senior Full Stack Engineer with 7+ years of experience building real-time, AI-enhanced production systems. I specialize in WebRTC/WebSocket backends, LLM integration layers, voice synthesis, and scalable event-driven architectures, delivering robust experiences at scale using Node.js, TypeScript, React, and related technologies. I've shipped infrastructure handling 47,000+ daily concurrent WebSocket/WebRTC connections with 99.99% uptime, integrated ElevenLabs voice synthesis and Vertex AI into healthcare platforms, and designed AI/LLM pipelines including RAG architectures and tool-calling workflows in enterprise environments. I'm passionate about building responsive multimedia chat interfaces, real-time communication systems with session continuity, and observability across complex stacks. I collaborate across product, design, and ops to deliver reliable systems and maintainable code, and I actively leverage AI development tools daily to push quality and productivity.…I'm Ahmed Magdy, a Senior Full Stack Engineer with 7+ years of experience building real-time, AI-enhanced production systems. I specialize in WebRTC/WebSocket backends, LLM integration layers, voice synthesis, and scalable event-driven architectures, delivering robust experiences at scale using Node.js, TypeScript, React, and related technologies. I've shipped infrastructure handling 47,000+ daily concurrent WebSocket/WebRTC connections with 99.99% uptime, integrated ElevenLabs voice synthesis and Vertex AI into healthcare platforms, and designed AI/LLM pipelines including RAG architectures and tool-calling workflows in enterprise environments. I'm passionate about building responsive multimedia chat interfaces, real-time communication systems with session continuity, and observability across complex stacks. I collaborate across product, design, and ops to deliver reliable systems and maintainable code, and I actively leverage AI development tools daily to push quality and productivity.

Available to hire

I’m Ahmed Magdy, a Senior Full Stack Engineer with 7+ years of experience building real-time, AI-enhanced production systems. I specialize in WebRTC/WebSocket backends, LLM integration layers, voice synthesis, and scalable event-driven architectures, delivering robust experiences at scale using Node.js, TypeScript, React, and related technologies. I’ve shipped infrastructure handling 47,000+ daily concurrent WebSocket/WebRTC connections with 99.99% uptime, integrated ElevenLabs voice synthesis and Vertex AI into healthcare platforms, and designed AI/LLM pipelines including RAG architectures and tool-calling workflows in enterprise environments.

I’m passionate about building responsive multimedia chat interfaces, real-time communication systems with session continuity, and observability across complex stacks. I collaborate across product, design, and ops to deliver reliable systems and maintainable code, and I actively leverage AI development tools daily to push quality and productivity.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Backend Engineer at Globant (Contract)

December 1, 2025 - April 1, 2026

Architected the entire booking engine from zero to production (~26,000 LOC) using Node.js/NestJS + TypeScript. Designed a multi-tenant reservation system with 4,200+ concurrent sessions and sub-300ms p95 API latency. Implemented a distributed service orchestration layer unifying 5 external APIs into a single transactional workflow (Saga pattern with compensating transactions). Resolved a critical race condition in the cart system via Redis-based distributed locking and PostgreSQL row-versioning. Built a multi-layer caching stack (Redis L1, PostgreSQL materialized views L2, CDN edge L3) reducing API response times from 820ms to 285ms. Created a 10-stage CI/CD pipeline with SAST/DAST, container security, and canary deployments, achieving zero production failures across 94 releases.

Full Stack Engineer at PwC

August 1, 2025 - March 1, 2026

Single-handedly designed and delivered the backend API layer (NestJS + TypeScript, 47 endpoints, 18 entities) powering an enterprise platform used by 2,200+ consultants. Replaced a legacy PHP system with significant technical debt and achieved zero unplanned downtime in 7 months. Conducted a deep PostgreSQL audit, optimized queries, and introduced composite/partial indexes. Architected real-time Salesforce CRM synchronization with 14,000+ daily events and implemented idempotent upserts with exponential backoff. Introduced Terraform IaC for GCP environments, reducing environment setup time from 2 days to 12 minutes.

Senior Backend Engineer at CrossWorkers

October 1, 2024 - August 1, 2025

Inherited a codebase with 340+ open bugs; performed performance profiling to identify N+1 queries and memory leaks, reducing p95 latency from 2.8s to 680ms. Built a real-time notification engine (GCP Pub/Sub → Firestore → FCM + Twilio + SendGrid) delivering 1.2M+ events/month across 3 channels with exactly-once delivery and 99.95% reliability. Implemented per-device deduplication, dead-letter topics with 5-retry exponential backoff, and sub-800ms end-to-end latency. Designed Redis caching to reduce PostgreSQL read traffic by 35% during peak hours.

Senior Full Stack Engineer (Part Time) at FH Health

June 1, 2024 - August 1, 2025

Owned backend architecture across 32 microservices (NestJS/TypeScript, 180K+ LOC) handling 52,000+ lab orders and 18,000+ appointments with $2.1M+ monthly Stripe billing. Implemented Saga-based distributed transactions for lab-order-to-billing with compensating actions, achieving 99.8% completion on 52K+ monthly transactions. Delivered real-time clinical communication using Twilio voice/SIP and WebRTC fallback with sub-800ms connection establishment. Added Terraform-managed GCP infrastructure with automated health probes and circuit breakers to ensure 99.93% uptime.

Senior Full Stack Engineer at Wellnite

November 1, 2023 - November 1, 2024

Built real-time therapy session infrastructure handling 47,000+ daily concurrent WebRTC/WebSocket connections with sticky session routing, heartbeat monitoring, automatic reconnection, and graceful draining. Delivered 99.99% uptime with minimal unplanned downtime. Replaced a fragile cron system with a production-grade Redis/BullMQ job engine (14 queues, priority scheduling, exponential backoff, dead-letter routing) processing 108,000+ daily jobs with 99.97% completion. Designed resilient integration layer for 6 external platforms (Stripe, SendGrid, Twilio, ElevenLabs, Vertex AI, Sentry) with per-provider circuit breakers and graceful degradation; integrated ElevenLabs for real-time voice synthesis.

Senior Full Stack Engineer at Kuyua

January 1, 2023 - January 1, 2024

Led a critical architectural decision to migrate the backend from monolithic Django/Python to Node.js/NestJS (Strangler Fig pattern) for zero-downtime cutover, achieving 45% API improvement (p50 340ms→187ms, p95 1.8s→680ms) and 30% infrastructure cost reduction, plus 3x developer feature velocity. Reworked PostgreSQL layer for 1.1M+ ESG records with partitioning, 17 composite indexes, and materialized views for dashboards; implemented PgBouncer to optimize connections and enable real-time analytics demos for enterprise clients. Built automated data ingestion for 520K+ monthly records with validation, deduplication, and DLQ routing.

Senior Front End Engineer at Mazaady

January 1, 2022 - January 1, 2023

Architected frontend for a real-time auction marketplace sustaining 10,400+ concurrent bidders with sub-200ms bid-to-screen latency. Implemented WebSocket streaming with optimistic UI, virtual scrolling for 50K+ daily feeds, and reconnection with state sync. Optimized rendering to reduce re-renders by 72% and keep main thread utilization high during peak auction closes, driving 35% engagement improvements and reduced bid abandonment by 28%.

Senior Full Stack Engineer at Binery Limited

January 1, 2021 - January 1, 2022

Built a FinTech bookkeeping SaaS architecture from scratch: ACID-compliant double-entry accounting with optimistic locking, automated bank reconciliation (94% auto-match), and immutable audit trail. Implemented an event-driven microservices backbone (RabbitMQ 3-node, Kafka) with at-least-once delivery and idempotent consumers, achieving 99.98% reliability and zero data loss over 12 months. Improved deployment reliability with Docker blue/green deployments and Prometheus/Grafana monitoring.

Senior Full Stack Engineer at Binery Limited

January 1, 2019 - January 1, 2021

Progressed from Full Stack Engineer to Senior, leading ownership of three core platform modules. Delivered robust backend services and frontend features, enabling higher velocity and stable deployments across the product suite.

Senior Backend Engineer at Globant

December 1, 2025 - April 1, 2026

Architected the entire booking engine from zero to production (~26,000 LOC) using Node.js/NestJS and TypeScript, supporting 4,200+ concurrent sessions with sub-300ms p95 API latency. Built a distributed service orchestration layer unifying five external APIs into a single transactional workflow using the Saga pattern, eliminating orphaned-charge issues (~$12K/month). Implemented distributed locking (Redis SETNX + TTL) with PostgreSQL row-versioning to reduce booking conflicts to zero. Designed multi-layer caching (Redis L1, PostgreSQL materialized views, CDN) reducing API response times from 820ms to 285ms. Created a 10-stage CI/CD pipeline with security scanning and canary deployments, achieving zero failed production releases across 94 deployments.

Senior Full Stack Engineer at FH Health

June 1, 2024 - August 1, 2025

Owned backend architecture for a 32-microservice healthcare B2B SaaS platform (NestJS/TypeScript, 180K+ LOC). Processed 52,000+ monthly lab orders, 18,000+ appointments, and $2.1M+ in monthly Stripe billing with zero data breaches for 14 months. Implemented Saga-pattern distributed transactions across 7 services, delivering 99.8% completion on 52K+ monthly transactions. Delivered Pollin Clinic Portal (React 18, Next.js 14) for 2,200+ concurrent practitioners, reducing check-in time from 8 minutes to 90 seconds.

Full Stack Engineer at Binery Limited

January 1, 2019 - January 1, 2021

Promoted to Senior within 24 months; owned 3 core platform modules and delivered features at high velocity. Implemented data ingestion, validation, and dead-letter routing to ensure 99.4% ingestion success, enabling scalable analytics demos for clients.