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I'm Mahmoud, a Java Backend Developer with hands-on experience designing and building scalable backend systems using Java 17, Spring Boot, and RESTful APIs. I thrive on clean code, robust architectures, and delivering maintainable software. I’m comfortable working across microservices, event-driven patterns, and cloud-ready deployments, and I enjoy collaborating with cross-functional teams to solve real-world problems.…I'm Mahmoud, a Java Backend Developer with hands-on experience designing and building scalable backend systems using Java 17, Spring Boot, and RESTful APIs. I thrive on clean code, robust architectures, and delivering maintainable software. I’m comfortable working across microservices, event-driven patterns, and cloud-ready deployments, and I enjoy collaborating with cross-functional teams to solve real-world problems.

Mahmoud Gamal Abdelallah Hafez

Back-End Developer, Full Stack Developer, Web Developer, +1

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I'm Mahmoud, a Java Backend Developer with hands-on experience designing and building scalable backend systems using Java 17, Spring Boot, and RESTful APIs. I thrive on clean code, robust architectures, and delivering maintainable software. I’m comfortable working across microservices, event-driven patterns, and cloud-ready deployments, and I enjoy collaborating with cross-functional teams to solve real-world problems.…I'm Mahmoud, a Java Backend Developer with hands-on experience designing and building scalable backend systems using Java 17, Spring Boot, and RESTful APIs. I thrive on clean code, robust architectures, and delivering maintainable software. I’m comfortable working across microservices, event-driven patterns, and cloud-ready deployments, and I enjoy collaborating with cross-functional teams to solve real-world problems.

Available to hire

I’m Mahmoud, a Java Backend Developer with hands-on experience designing and building scalable backend systems using Java 17, Spring Boot, and RESTful APIs. I thrive on clean code, robust architectures, and delivering maintainable software. I’m comfortable working across microservices, event-driven patterns, and cloud-ready deployments, and I enjoy collaborating with cross-functional teams to solve real-world problems.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Arabic

Fluent

English

Advanced

Work Experience

Java Backend Developer at Tanmeyah for Microfinance Services

March 1, 2025 - October 31, 2025

Design and development of microservices using Java 17, Spring Boot, JPA, and Spring Security to power POS payments and cash-out operations. Integrated with payment providers (Fawry & Daman), enabling 10K+ monthly transactions and supporting 100+ field agents across Egypt. Built secure APIs with role-based access control, token validation, and documented them using Swagger/OpenAPI for frontend and third-party use. Refactored database queries and API structure to improve service response time by 30%, boosting system performance under load. Collaborated with cross-functional teams, contributing to code reviews and debugging to improve delivery speed and code quality. Led backend integration for POS & cash-out services and contributed to multiple projects including FM C Core Banking System, NDC Egypt ticketing system.

Java Backend Developer at Tilde Technology

March 1, 2025 - March 1, 2025

Developed backend components in a microservices architecture using Java 8, Spring Boot, Spring Data JPA, and MySQL. Enhanced service performance by optimizing MySQL queries and integrating Redis caching, resulting in 40–50% faster response times. Implemented secure APIs and ensured clean architecture across modules, reducing bugs and technical debt in production. Delivered production-ready releases through active debugging, testing, and adherence to clean code practices.