Nayf Serag

- Architected and implemented scalable backend systems for FleetOo’s core modules using NestJS, Prisma, and PostgreSQL, ensuring performance, resilience, and maintainable architecture.
- Led the design and delivery of official integrations with Saudi e-government platforms — Tamm, Elm, Tajeer, and ZATCA — establishing secure, compliant communication pipelines for real-time data exchange.
- Designed a smart document upload strategy, creating a robust pattern for image optimization, metadata handling, and file persistence to ensure smooth, fault-tolerant uploads across environments.
- Enhanced the backend infrastructure and codebase by introducing consistent design standards, automated CI/CD workflows, and modular service abstractions, improving development efficiency and code scalability.
- Built a dynamic filtering and sorting engine compatible across all modules, enabling reusable query logic and improving API performance in complex data scenarios.

Al-Matar is a progressive Saudi OTA platform for travel bookings, offering seamless 24/7 hotel and flight reservations in multiple languages. My responsibilities at Al-Matar include:

- Managing multiple services within a microservices architecture.
- Handling both frontend and backend development tasks.
- Creating and maintaining various service endpoints.
- Conducting SQL migrations and implementing services across two technology stacks.
- Enhancing the performance and reliability of the microservices, ensuring efficient integration and functionality.

Throughout my freelance period, I collaborated with various platforms, taking on roles that challenged my technical skills in debugging, feature enhancement, and software optimization. This phase of my career not only diversified my experience but also sharpened my problem-solving skills, making me adept at quickly understanding and improving upon existing software architectures, thus contributing significantly to the enhancement of user experience and software functionality

Mahaseel is a smart digital platform that connects farmers with customers instantly, aiming to distribute high-quality fresh produce from Egypt to the world and become the leading digital enabler in the Middle East and North Africa. During my tenure, I:

- Debugged and enhanced features for Talabat Mahaseel, improving user experience.
- Utilized NestJS to develop finance-related applications.
- Developed and launched 'Beluga Pay,' a fintech training app for bank transactions.