Asia/Kolkata
About
Work
WhatsApp Cloud API Platform
Featured work

Software Engineer building scalable systems

I'm Hashir, a Software Engineer at Telecrm, where I build scalable full-stack applications, optimize distributed systems, and deliver production-ready solutions.
About – Hashir Hameed Niazi

Performance & Infrastructure Optimization

Multi-layer caching, query optimization, AWS cost reduction, and critical production bug fixes — improving system performance, reliability, and cost efficiency across the entire platform.
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Mobile App Engineering

Cross-platform mobile development including push notifications, deeplinks, state restoration, virtual scrolling, and critical Android/iOS fixes — shipping production features across both platforms.
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Security & Frontend Modernization

Led Angular 13 to 17 migration, implemented comprehensive security hardening (CSP, SSL pinning, JWT invalidation), and modernized the build pipeline from Webpack to esbuild.
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Analytics Platform & Data Pipeline

Built a complete analytics infrastructure from scratch — MongoDB to PostgreSQL ETL pipeline, Metabase deployment on Docker/EC2, and an AI-powered SQL query generator for self-serve analytics.
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WhatsApp Cloud API Platform

End-to-end WhatsApp Cloud API platform with messaging automation, conversation analytics, interactive messaging, campaign management, and embedded signup — built for a high-growth CRM serving 100K+ leads.
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CI/CD & Build Automation

Designed automated deployment pipelines, parallelized CI builds (60 min to 10 min), and created OS-agnostic build scripts — reducing release cycles from 2 weeks to 2 days.
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Learning Management System

Built an LMS from scratch with WYSIWYG content editing, role-based access for editors and viewers, and automated Firebase deployments on every commit.
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FalconOS

A custom x86 operating system kernel built from scratch with C++ and x86 Assembly, featuring GRUB bootloader, interrupt handling, memory management, and cooperative multitasking.
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