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Mahmoud Zain

@mahmoudzain

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Java backend engineer-in-training building scalable microservices and AI-powered systems.

Egypt

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What I'm looking for

I’m looking to contribute to innovative tech environments by building scalable, high-performance backend systems—especially distributed microservices and AI-powered features—where I can grow through engineering ownership, clean design, and continuous delivery.

I’m a Software Engineering student focused on backend development, with hands-on experience building scalable distributed systems. At ZagSystems, I architected a microservices-based enterprise e-commerce backend, developed 3 production-ready services in Java 17 with Spring Boot 3 and Spring Cloud, and implemented an event-driven architecture using ActiveMQ.

I build AI-augmented products by combining reliable engineering with practical NLP workflows. My Airoxen graduation project features an 8-service microservices system and an AI orchestration “Aura Engine” using LangChain4j with Google Gemini 2.0 Flash, plus a RAG pipeline using Redis semantic caching, hallucination detection, and cost-reliability controls. I’ve also built an AI-powered Complaint Management System with Spring AI and pgvector-based semantic search, and delivered additional platforms like EduHub and a real-time WebSocket chat application.

Experience

Work history, roles, and key accomplishments

Java Backend Intern

ZagSystems Hybrid

Jul 2025 - Dec 2025 (5 months)

Architected scalable distributed backend systems for an enterprise e-commerce platform using microservices. Built production-ready microservices, implemented event-driven communication with ActiveMQ, and delivered RESTful APIs with comprehensive testing in an Agile environment.

Spring Cloud Microservices Distributed Systems Event Driven Architecture ActiveMQ RESTful APIs Unit Testing Integration Testing End To End Testing Junit Mockito Agile Sprint Planning

Education

Degrees, certifications, and relevant coursework

October University of Technology (OUT)

Bachelor of Science (B.Sc.) in Information Technology, Information Technology — Software Engineering

2022 - 2026

Grade: GPA: 3.5/4.0 (Very Good)

Activities and societies: Robotics Team member for a Technology Universities Hackathon (2024); Google Developer Student Club (GDSC) member (Oct 2024–present).

B.Sc. in Information Technology with a focus on Software Engineering at October University of Technology (OUT). GPA 3.5/4.0 (Very Good), with coursework including data structures & algorithms, database systems, web development, OOP, and system design.