Khalid AhmadSenior Software Engineer

Case study

LeadManager

Lead capture and pipeline tooling integrated with marketing and sales operations.

Node.js
React
PostgreSQL
REST
AWS

Problem

Marketing and sales needed reliable lead flow with minimal duplication and fast operational visibility.

Role focus

Backend throughput, data quality rules, and pragmatic UI for day-to-day operators.

Architecture

  • Node.js services for ingestion and APIs
  • PostgreSQL as system of record
  • React dashboards for operators

Challenges

  • Idempotency and deduplication at scale
  • Reporting queries without impacting writes
  • Incremental delivery alongside changing requirements

Outcomes

  • More predictable ingestion under peak traffic
  • Clearer data model for downstream analytics
  • Faster iteration loops with stable API boundaries