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Moustafa Dernaika

@moustafadernaika

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Senior Java Backend Engineer specializing in microservices, distributed systems, and scalable enterprise platforms.

Lebanon

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What I'm looking for

I’m looking to build and modernize scalable Java backend systems—microservices and distributed platforms—using clean architecture and strong engineering standards in Agile teams, where I can contribute to reliability, performance, and continuous improvement.

I’m a Senior Java Backend Engineer with 15+ years of experience designing, developing, and maintaining scalable enterprise applications and distributed backend systems. I specialize in Java, Spring Boot, microservices, REST APIs, and system architecture, with a focus on performance, maintainability, and clean code.

I’ve contributed to large-scale platforms serving more than 70,000 users and worked across enterprise ecosystems with over 120 microservices. I participate in architecture discussions and technical design decisions, support modernization initiatives, and help with post-merger platform integration to ensure smooth transitions and business continuity.

In Agile/Scrum environments, I collaborate closely with Product Owners, QA engineers, DevOps teams, and developers to deliver high-quality software. I also mentor team members and advocate continuous improvement through software quality standards and engineering best practices.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Cognibox

Jul 2020 - Present (6 years)

Designed, developed, and maintained Java/Spring Boot backend microservices (REST APIs) for an enterprise contractor management platform serving 70,000+ users. Contributed to architecture decisions across large distributed systems (40+ and 120+ microservices), supported merger-related migration and platform integration, and improved maintainability and database interactions.

Senior Software Engineer

Main Gate

Mar 2011 - Jun 2020 (9 years 3 months)

Led backend development initiatives for ERP and enterprise management systems across multiple business domains. Built scalable Java/Spring backend solutions (Spring MVC, Spring Boot, Hibernate, REST APIs), supported modernization toward microservices, and collaborated with business stakeholders on requirements and reusable components.

Java Spring MVC Spring Boot Hibernate REST APIs Microservices Architecture Distributed Systems System Design Clean Architecture Scalability Database Design

Web Developer

High Technology Solution

Aug 2008 - Feb 2011 (2 years 6 months)

Developed web-based business applications and backend systems, implementing backend integrations and business logic components. Delivered end-to-end development (design, development, testing, deployment, and maintenance) using PHP and SQL with JavaScript/HTML/CSS.

PHP MySQL SQL JavaScript HTML CSS Backend Integrations