I’m a Java Backend Developer with experience building secure, high-performance systems in fintech and enterprise environments. Alongside my professional work, I’ve delivered independent backend and full-stack projects, including an e-commerce platform and a production-ready payment system integrating Stripe, automated email workflows, and efficient file handling. In my current role, I design backend services, apply Redis caching to improve performance, and ensure reliability through unit and integration testing. I’ve also worked extensively with Spring Boot and Oracle on enterprise systems, contributing to secure authentication, scalable APIs, and smooth production deployments. I’m comfortable working remotely and independently while collaborating closely with distributed teams.

Mayar Hamed

I’m a Java Backend Developer with experience building secure, high-performance systems in fintech and enterprise environments. Alongside my professional work, I’ve delivered independent backend and full-stack projects, including an e-commerce platform and a production-ready payment system integrating Stripe, automated email workflows, and efficient file handling. In my current role, I design backend services, apply Redis caching to improve performance, and ensure reliability through unit and integration testing. I’ve also worked extensively with Spring Boot and Oracle on enterprise systems, contributing to secure authentication, scalable APIs, and smooth production deployments. I’m comfortable working remotely and independently while collaborating closely with distributed teams.

Available to hire

I’m a Java Backend Developer with experience building secure, high-performance systems in fintech and enterprise environments. Alongside my professional work, I’ve delivered independent backend and full-stack projects, including an e-commerce platform and a production-ready payment system integrating Stripe, automated email workflows, and efficient file handling.

In my current role, I design backend services, apply Redis caching to improve performance, and ensure reliability through unit and integration testing. I’ve also worked extensively with Spring Boot and Oracle on enterprise systems, contributing to secure authentication, scalable APIs, and smooth production deployments. I’m comfortable working remotely and independently while collaborating closely with distributed teams.

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Experience Level

Expert
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Intermediate
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Language

Arabic
Fluent
English
Fluent

Work Experience

Java Backend Developer at CIT Vericash
February 1, 2025 - Present
Contributed to the UBA e-banking application, delivering secure, high-performance backend features in a fast-paced fintech environment. Designed and implemented backend services and feature enhancements using Java, ensuring alignment with financial compliance and business rules. Developed unit and integration tests with Mockito to ensure high code quality and reliable deployments. Leveraged Redis to cache high-traffic services, reducing response times and improving performance under load. Collaborated with frontend teams to optimize service consumption and support seamless UI integration. Participated in end-to-end feature delivery, including backend development, internal testing support, and production rollout readiness. Debugged and resolved backend issues during QA phases, contributing to faster releases and reduced regressions. Maintained and documented RESTful APIs to streamline onboarding for internal teams and third-party integrators.
Java Backend Developer at Integrated Solutions for Ports (ISFP)
September 1, 2023 - February 1, 2025
Led architectural design and optimization of database schemas and critical API endpoints to meet complex business needs. Engineered and validated over 20 RESTful APIs using Spring Boot and Oracle Toad, achieving strong performance and scalability. Enhanced security by expanding the login endpoint to support 10+ roles and 30+ authorities, ensuring secure, role-based access. Seamlessly integrated new modules into live production systems, maintaining functionality and stability across legacy components. Provided expert-level troubleshooting for version-control and build pipelines using Jira and Jenkins, minimizing downtime. Managed code repositories across multiple SVN environments, ensuring version integrity throughout development and testing phases.

Education

Open-Source Application Development Diploma at Information Technology Institution (ITI)
July 1, 2023 - January 13, 2026
Bachelor's Degree in Computer Science at Faculty of Science, Alexandria University
January 1, 2020 - January 13, 2026

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Computers & Electronics, Financial Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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