My Projects
A collection of enterprise projects and systems I've built throughout my career
Industry
Technology
Parchment - Credential Exchange Platform
Integrant · 2024 - Present
Microservices architecture for credential exchange platform serving 15,000+ educational institutions and processing 18.5M+ academic records annually.
Designed and developed Java microservices for credential exchange platform handling 50K+ daily transactions with 99.9% uptime. Led platform migration from legacy Java stack to Spring Boot 3 and JDK 21, reducing credential processing time from minutes to seconds and improving system performance by 35%. Built FERPA-compliant data processing pipelines and improved transcript OCR accuracy to 96% through workflow optimization.
APTAR MES - Manufacturing Execution System
Integrant · 2024 - Present
Led replatforming of 15-year-old Rockwell MES application to Spring Boot 3 microservices architecture with 800+ database tables.
Complete legacy system modernization from Rockwell to Spring Boot 3. Migrated 800+ database tables and 40GB+ production data with zero data loss. Built custom database migration utilities achieving 14x performance improvement for large-scale SQL Server exports through parallel processing and batch optimization.
AI Agentic System - RAG Platform
Integrant · 2024 - Present
Built internal RAG-powered AI platform enabling natural language queries against MES data with 3 specialized agents.
Developed RAG-powered AI platform with 3 specialized agents: Materials, Production Orders, and Machines. Built using Next.js, React, and Groq LLM. Implemented caching and context optimization layers reducing query response time and improving retrieval accuracy for manufacturing data queries.
Ana Vodafone - Self-Service Mobile App
Vodafone · 2023 - 2024
Built backend microservices for Ana Vodafone, Egypt's leading telecom self-service app, and contributed to the Spring Boot 3 migration.
Built Java microservices powering the Ana Vodafone mobile app, enabling customers to manage accounts, recharge, and access services. Contributed to migrating microservices from Spring Boot 2 to Spring Boot 3. Applied strict TDD discipline with JUnit and Mockito across all new features.
Vodafone Cash - Mobile Payment Platform
Vodafone · 2023 - 2024
Co-designed and built the Vodafone Cash disbursement application from scratch with microservices architecture.
Co-designed and built the Vodafone Cash disbursement application from scratch, collaborating on architecture and microservices design. Implemented transaction handling, balance management, and payment gateway integrations.
Alinma Bank - Core Banking Platform
DXC Technology · 2019 - 2023
Built full banking platform with Java 8 microservices and Angular 8, covering account management, transactions, and reporting.
Built full banking platform with Java 8 microservices and Angular 8, covering account management, transactions, and reporting modules. Implemented secure transaction processing and regulatory compliance features for Saudi banking requirements.
Saudi Payments - National Payment System
DXC Technology · 2019 - 2023
Developed national payment features using EJB 3 and SOAP, achieving 99.9% uptime.
Built critical national payment infrastructure using EJB 3, SOAP, and Java 8. Achieved 99.9% uptime for payment processing. Designed fault-tolerant service architecture with retry logic and failover handling for critical payment flows.
Vodafone Germany - BSS Backend
DXC Technology · 2019 - 2023
Maintained and stabilized a legacy Java 7 and JSF backend, fixing recurring production issues.
Maintained and stabilized legacy backend applications for Vodafone Germany using Java 7 and JSF. Fixed recurring production issues and reduced incident frequency through systematic troubleshooting and code optimization.
Etisalat Enterprise Applications
Etisalat Misr · 2018
Migrated the DMA application to Spring Boot and built backend services for the My Etisalat mobile app.
Migrated the DMA application to Spring Boot and developed backend services for the My Etisalat mobile app. Built RESTful APIs handling subscriber account management and service activation for millions of Etisalat users.
Direct Orbit - Retail Platform
Direct Orbit · 2018
Developed retail store application in Saudi Arabia serving 2,000 daily visitors with 99.8% uptime.
Built backend integration services using Java and REST APIs for a Saudi Arabian retail platform. Maintained e-commerce platform serving 2,000+ daily active users with 99.8% uptime. Profiled and optimized slow data processing workflows by reworking batch jobs and reducing redundant database calls.
Glowstar ERP - Enterprise Resource Planning
Glowstar · 2015 - 2017
Full-stack enterprise solutions across web, mobile, and desktop platforms with cloud-native architecture on AWS/Azure.
Built and maintained modules for an enterprise ERP system (banking, general ledger, inventory, invoicing, purchasing). Led the migration from EJB 3 to Spring Framework. Optimized slow database queries and restructured indexes across multiple client projects. Mentored 3 junior developers and established code review practices.