Saidi H.

Selected Work

A selection of backend systems I have architected and built. Focusing on real-time systems, multi-tenant architectures, and scalable APIs.

TCSFS WhatsApp Support Platform

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ASP.NET CoreSignalRWhatsApp Cloud APIPostgreSQL

A production-grade customer support platform integrating directly with WhatsApp. Designed to handle real-time communication between support agents and customers via the WhatsApp Cloud API.

Key Features

  • Real-time Messaging: Implemented SignalR for instant message delivery and status updates to agent dashboards.
  • WhatsApp Integration: Direct integration with Meta's Cloud API for ticket creation and media handling.
  • Access Control: Granular RBAC, approval flows, and budgeting logic for corporate tenants.

Ruilmijnwoning Housing Exchange

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Node.jsExpress.jsMySQL

A dedicated API service for a Dutch housing exchange platform used by tenants and housing corporations. The system facilitates the matching and exchange of rental properties across the Netherlands.

Key Contributions

  • Secure API Architecture: Architected secure RESTful APIs to handle sensitive tenant data.
  • Query Optimization: Optimized database queries to handle complex matching algorithms between properties.
  • GDPR Compliance: Ensured GDPR compliance and secure data handling standards.

Enterprise Backend Services (DataBalk)

Node.jsMicroservicesCI/CD

Currently developing and maintaining backend ecosystem for multiple production products at DataBalk.

Key Responsibilities

  • Shared Components: Managing shared backend components across two concurrent products.
  • Production Support: Resolving critical production issues to improve system reliability (SRE).
  • Cross-functional Collaboration: Collaborating with cross-functional teams to deliver features under tight deadlines in a dynamic environment.