Yehya Qassim

Implemented Plaid and Socure native sdks.
Architected and implemented the Ops web application,
providing administrators with full control over user accounts
and operational workflows.
Designed and launched a secure client-facing web portal,
enabling users to view statements and manage accounts
efficiently.
Engineered core brokerage systems using Python, FastAPI,
DynamoDB, and AWS CDK, focusing on scalable, high
performance backend architecture over the past two years.
Migrated monolithic REST APIs to a microservices
architecture, leveraging event-driven design for improved
scalability, reliability, and decoupled services.
Collaborated acrossfrontend, backend, and cloud teams,
ensuring end-to-end delivery of robust, maintainable
solutions.

Solely built the mobile application for Lika Social for finding
events nearby and connecting people together. And
contributed to the backend implementation.
Developed and maintained a cross-platform mobile
application using Flutter, delivering a seamless experience
on both iOS and Android.
Collaborated closely with the backend team, contributing
to backend development with Python (FastAPI, SQL) and
integrating AWS services for scalable performance.
Implemented Test-Driven Development (TDD) practices,
ensuring reliable and maintainable code.
Designed and executed comprehensive unit and
integration tests, improving code quality and reducing
production issues.

Technologies Dart, Flutter, Java and Swift
Contributed in building a mobile application using flutter
designed to buy cars and take loans from banks.
Contributed of the migration of the application from a
platform-specific Android build to a cross-platform Flutter
framework (supporting both iOS and Android), cutting
development time by 50%.
Redesigned the app architecture into a modular structure,
significantly enhancing code reuse and maintainability
across the entire project.
Focused on Domain driven design (DDD) with unit and
integration testing.

Build various web applications from scratch using Microsoft
frameworks for different NGOs (TDH, ULYP) across Lebanon,
supported older versions of web applications.
Provided ongoing support for legacy web applications
managing stock and accounting operations.
Migrated VB.NET web applications to C# with .NET
Core, accelerating feature development by 60%.
Refactored a large-scale project into a modular architecture,
enabling the deployment of a new web application within
two weeks, which was successfully adopted by all ULYP
students for registration.