Abdeljalil – React, Typescript, Node.js

Maintained and enhanced manufacturing and ERP systems built with .NET, VB.NET, Oracle, and IIS.

• Maintained legacy ASP.NET and .NET Framework applications;
• Supported MES applications built with VB.NET Windows Forms;
• Worked with Oracle Database for queries, data modeling, and optimization;
• Managed IIS deployments in a multi-server environment;
• Supported scheduled background processing using Quartz.NET and cron jobs;
• Handled debugging, production support, and performance tuning.

Built a kernel-level security and monitoring system using eBPF and XDP to detect and mitigate network threats in real time.

• Designed eBPF programs using kprobes and tracepoints to capture low-level system and network events;
• Built an XDP firewall to mitigate SYN floods and SSH brute-force attempts;
• Used ring buffers to stream kernel events to user-space services;
• Implemented IP scoring and dynamic blocking logic;
• Built bandwidth monitoring using tc hooks;
• Developed backend services to process and visualize telemetry;
• Designed the architecture for multi-server SaaS deployment.

Built a disposable email SaaS with real-time inbox updates, SMTP ingestion, distributed processing, and scalable attachment storage.

• Designed and implemented the full email ingestion pipeline;
• Integrated Haraka for SMTP receiving and RabbitMQ for asynchronous processing;
• Built Go workers to parse emails and stream attachments to S3-compatible storage;
• Used PostgreSQL for metadata and S3/MinIO for attachment storage;
• Implemented real-time inbox updates using Redis Pub/Sub and Server-Sent Events;
• Built backend APIs and subscription billing integration;
• Containerized the system using Docker Compose for production deployment.

Built an automation platform on top of Google Workspace tooling to support high-volume account operations.

• Built automation workflows using NestJS, Playwright, and Bull queues;
• Integrated with Google Workspace GAM CLI;
• Supported bulk account operations at scale;
• Designed queue-based execution for reliability and concurrency;
• Built a React dashboard for operators.

Built a centralized platform to orchestrate distributed tools and microservices across multiple client/entity servers.

• Designed a centralized admin platform for managing distributed services;
• Built a Node.js/tRPC backend and React dashboard;
• Used RabbitMQ for event-driven communication;
• Used MongoDB for centralized configuration and result storage;
• Added monitoring, configuration management, and result aggregation;
• Reduced manual deployment and operational overhead across multiple servers.

Built a large-scale automation system for managing email account workflows across Gmail, Hotmail, and Yahoo.

• Automated login, recovery, security, and rule-based workflows;
• Used Playwright with queue-based distributed execution;
• Implemented retry mechanisms and reliability improvements for browser automation workflows;
• Built backend APIs with NestJS;
• Used Bull and MongoDB for task processing and persistence.