Zaid Elkhader

Senior Software Engineer

Building distributed, event-driven systems for financial services. 5+ years specializing in .NET, microservices, and high-throughput API integrations. Seeking senior engineering roles in fintech, banking, and enterprise tech — open to relocation.

Zaid Elkhader

Building Products

GamezerJo

Complete business management platform for gaming centers

gamezerjo.com
Live in Production Solo Founder

Two-sided marketplace connecting gaming center owners and players across Jordan and MENA. Owners get a complete dashboard to manage rooms, bookings, pricing, inventory, staff permissions, and analytics. Players book sessions online or as guests, pay cash on arrival, check in with QR codes, order from in-venue cafeterias, and earn loyalty points.

Highlights
  • → Real-time booking & session tracking
  • → WhatsApp & email notifications
  • → QR code check-in system
  • → Bilingual (Arabic RTL + English)
  • → Role-based access control
  • → Analytics & PDF/Excel exports
  • → Cafeteria & inventory management
Stack
React (Vite) .NET SQL Server Docker Contabo VPS

Why this matters: Built and deployed a production SaaS platform from zero to paying customer as a solo developer — handling everything from frontend UX and booking flows to backend architecture, real-time systems, and infrastructure. Demonstrates full ownership of product lifecycle beyond corporate backend work.

Where I've Built

Senior Software Engineer

Ard Group — Technology Division
Aug 2025 – Present
  • BNPL Integration: Built BNPL flow between Balady Services and Al Rajhi Bank via Apigee API Gateway.
  • Data Sync Engine: Developed TicketFlowHub: real-time CRM ↔ Azure DevOps sync, 100% Change Request accuracy.
  • Observability Pipeline: Implemented Serilog and Sentry telemetry with Elasticsearch indexing across distributed transactions; cut MTTR.
  • Event-Driven Migration: Migrated point-to-point integrations to RabbitMQ; held throughput under peak loads.
  • Redis Caching: Designed multi-level Redis caching for invoice lookups; sub-50ms query response.
  • Kubernetes Deployment: Containerized services and orchestrated deployments on Kubernetes; enabled auto-scaling and zero-downtime releases.
  • Live Configuration: Built MongoDB Change Streams config system; live rule updates with no restarts.
  • State Validation: Added cross-system state checks before record finalisation; prevented data drift.
sub-50ms latency RabbitMQ Redis Elasticsearch Kubernetes

Senior Consultant / Software Engineer

PwC Middle East
Nov 2023 – Aug 2025
  • Master Data Service: Built master data management microservice in .NET and SQL Server for banking platforms.
  • Workflow Automation: Automated account opening and loan processing for banking client; cut processing times.
  • Secure API Suite: Designed RESTful APIs with JWT authentication and encryption for cross-system integration.
  • SQL Performance: Tuned SQL views feeding microservices; improved data access speed and SLA adherence.
  • Mentoring: Mentored junior engineers; resolved live production incidents alongside client teams.
Microservices JWT Auth SQL Performance OutSystems

Software Development Engineer

Labiba for AI
Oct 2020 – Nov 2023
  • Notification Platform: Built high-volume .NET 6 notification platform for Messenger and WhatsApp channels.
  • Application Architecture: Established N-Tier architecture with code-first and database-first SQL Server / EF patterns.
  • Async Messaging: Implemented RabbitMQ async API consumption for bot workflows; integrated FaceTec biometrics.
  • Deployment: Ran IIS deployments on Linux and Windows servers; resolved production issues at scale.
  • Documentation: Wrote chatbot system docs; introduced standardised code review and Git workflows.
.NET 6 Entity Framework IIS Deployment FaceTec

What I Work With

Languages & Frameworks

C# .NET 9 .NET Core Entity Framework Core JavaScript

Architecture

Microservices Event-Driven DDD CQRS RESTful API

Data & Messaging

RabbitMQ MassTransit SQL Server MongoDB Redis

Infrastructure

Docker Kubernetes Azure DevOps Git Linux/Windows Server

Observability

Elasticsearch Serilog Sentry Distributed Tracing

Security

JWT OAuth 2.0 Encryption API Gateway (Apigee)

Let's Talk

Open to senior engineering roles in fintech, banking, or enterprise tech. Available for relocation and remote opportunities globally.