أنا كريم علي حسين، مهندس برمجيات أول من الإسماعيلية في مصر. أبني وآمِل خدمات خلفية وقابلة للتوسع باستخدام جافا ولارافيل وما يتصل بها من أنظمة آمنة ومتينة.

Experience

Where I've worked

A short arc—impact-first roles across SaaS, fintech, and security. Details stay light on purpose.

Quantum Security Systems Inc

Quantum Security Systems Inc

Present
Technical Team Lead
Full-time Feb 2025 — Present Riyadh, Saudi ArabiaOnsite

Enterprise SOC: incident response, SIEM, threat intelligence, and regulated integrations.

  • Modularized monolithic SOC platform into Spring Boot microservices, reducing deployment cycles by 40%.
  • Standardized deployment pipelines across environments, ensuring 100% environment parity for production releases.
JavaSpring BootKafkaDockerKubernetesGCP
WalaPlus

WalaPlus

Senior Software Engineer
Full-time Dec 2023 — Feb 2025 Riyadh, Saudi ArabiaHybrid

Leading loyalty and rewards platform in the MENA region.

  • Optimized core database architecture to handle 2x peak load for partner loyalty integrations.
  • Engineered a high-concurrency voucher redemption engine serving over 200+ global partner brands.
LaravelSpring BootMySQLDockerKubernetes
The String

The String

Staff Software Engineer
Full-time Jan 2022 — Dec 2023 Riyadh, Saudi ArabiaRemote

Multi-tenant SaaS CRM focusing on lead routing, partner channels, and automated billing.

  • Scaled B2B CRM infrastructure to support 200+ enterprise tenants with sub-second lead processing.
  • Re-engineered batch routing using Go workers and RabbitMQ, eliminating daily backlog surges during peak hours.
LaravelGoRabbitMQMySQLRedisDocker