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I am a Senior Backend Developer and Team Lead with 8+ years of experience building scalable, high-performance backends using Java Spring Boot, Node.js, and microservices. I specialize in robust API design, database optimization, and system integration, and I enjoy mentoring teams to deliver high-quality software on time. My recent work spans architecting services on AWS with Kubernetes, implementing payment and warehouse capabilities, and driving performance improvements through caching and query optimization. I thrive in collaborative environments with product and leadership, and I enjoy turning complex challenges into solid, maintainable solutions.…I am a Senior Backend Developer and Team Lead with 8+ years of experience building scalable, high-performance backends using Java Spring Boot, Node.js, and microservices. I specialize in robust API design, database optimization, and system integration, and I enjoy mentoring teams to deliver high-quality software on time. My recent work spans architecting services on AWS with Kubernetes, implementing payment and warehouse capabilities, and driving performance improvements through caching and query optimization. I thrive in collaborative environments with product and leadership, and I enjoy turning complex challenges into solid, maintainable solutions.

Qusai Safa

Back-End Developer, Full Stack Developer, Web Developer, +2

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I am a Senior Backend Developer and Team Lead with 8+ years of experience building scalable, high-performance backends using Java Spring Boot, Node.js, and microservices. I specialize in robust API design, database optimization, and system integration, and I enjoy mentoring teams to deliver high-quality software on time. My recent work spans architecting services on AWS with Kubernetes, implementing payment and warehouse capabilities, and driving performance improvements through caching and query optimization. I thrive in collaborative environments with product and leadership, and I enjoy turning complex challenges into solid, maintainable solutions.…I am a Senior Backend Developer and Team Lead with 8+ years of experience building scalable, high-performance backends using Java Spring Boot, Node.js, and microservices. I specialize in robust API design, database optimization, and system integration, and I enjoy mentoring teams to deliver high-quality software on time. My recent work spans architecting services on AWS with Kubernetes, implementing payment and warehouse capabilities, and driving performance improvements through caching and query optimization. I thrive in collaborative environments with product and leadership, and I enjoy turning complex challenges into solid, maintainable solutions.

Available to hire

I am a Senior Backend Developer and Team Lead with 8+ years of experience building scalable, high-performance backends using Java Spring Boot, Node.js, and microservices. I specialize in robust API design, database optimization, and system integration, and I enjoy mentoring teams to deliver high-quality software on time.

My recent work spans architecting services on AWS with Kubernetes, implementing payment and warehouse capabilities, and driving performance improvements through caching and query optimization. I thrive in collaborative environments with product and leadership, and I enjoy turning complex challenges into solid, maintainable solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Arabic

Fluent

Work Experience

Senior Backend Developer at Foothill Solutions (APS Payroll)

May 1, 2024 - Present

Developed new features, including the Money Service Admin functionality, which became a standout feature of the company's app, differentiating it from competitors and driving a 5% increase in sales. Enhanced the performance of web application reports by 30% through the implementation of Redis for caching, optimization of database queries, and refactoring complex code to reduce processing time.

Technical Lead & Senior Full Stack Developer at Alma Health

April 1, 2024 - October 11, 2025

Designed and implemented infrastructure for multiple services from scratch, utilizing microservices architecture and event-driven design principles. Scaled up the system to handle high volumes of requests, deploying services on AWS using Kubernetes and managing cloud services such as CloudFront and Route 53. Led the development of various services including payment service (Telr and Noon), warehouse service (using Redshift), and notification services. Led a small team, providing daily oversight to achieve sprint goals, and facilitated communication with co-founders and product managers.

Senior Back End Developer at Freightos SAS

December 1, 2021 - October 11, 2025

Integrated Freightos SAS with external systems and developed APIs to handle external requests. Designed and implemented the 'Shipment Cycle' service to assist clients in defining shipment cycles. Handled feature enhancements and performance improvements.

Backend Developer at EXALT Ltd

January 1, 2019 - October 11, 2025

Improved Elasticsearch to handle nested search criteria. Resolved critical bugs and performed refactoring for critical features to enhance code readability and performance.