Photo of Bilal Khan for the blog

Hi I am, Bilal Khan 👋

Software Engineer with 2.5 years of experience, passionate about engineering, technology, and an avid student of computer science. I love solving real-world problems using the art of software engineering.

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Tech Stack

Work Experience

  1. •

    Software Engineer

    REWAA

    • Full stack engineering focused on performance and system design.
  2. •

    Senior Software Engineer

    BAZAAR TECHNOLOGIES

    • Optimized a data ingestion pipeline built on Apache Airflow by transitioning from page-level scraping to structured API-based access.
    • Reduced pipeline runtime from 3 hours to 50 minutes (~66% improvement), enhancing data freshness and system scalability.
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  3. •

    Software Engineer II

    BAZAAR TECHNOLOGIES

    • Led SEO and performance overhaul driving 35x growth in organic clicks (875 to 30.7K/month) and 47x growth in impressions (44.4K to 2.11M/month).
    • Optimized Core Web Vitals: reduced LCP from ~4.0s to ~2.0s on desktop and ~7.0s to ~2.4s on mobile.
    • Reduced INP by ~45% on desktop and ~50% on mobile, achieving Google's Good thresholds across all CWV metrics.
    • Reduced CDN costs by 75% via CloudFront migration, Lambda@Edge image resizing, and AVIF/WebP adoption.
    • Architected an AWS WAF bot-filtering system with rule-based threat detection.
    • Built a real-time web vitals monitoring pipeline with Grafana dashboards.
    • Optimized DNS TTL configuration, improving desktop TTFB by 33%.
    • Engineered bulk catalog upload system, increasing throughput from 30 to 500+ products per day.
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  4. •

    Associate Software Engineer

    ASTERA SOFTWARE

    • Enhanced OCR functionality in ReportMiner by integrating AWS Textract and Google Cloud Vision API.
    • Developed and integrated AI-driven features in Centerprise.
    • Built Astera's AI App Orchestrator Server using Python and FastAPI.
    • Delivered maintainable, extensible code adhering to best practices and design patterns.
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  5. •

    Cloud Engineer

    ATOMIC COMPUTING

    • Reduced S3 storage costs by 34% through strategic AWS cloud architecture and data lifecycle design.
    • Deployed end-to-end CI/CD pipelines using AWS CodeDeploy and CodeCommit.
    • Implemented serverless solutions using AWS Lambda and API Gateway.
    • Configured VPC environments for development, production, and testing stages.
  6. •

    Networking Intern

    NADRA

    • Implemented PRTG and SolarWinds for comprehensive network monitoring using SNMP protocol.
    • Configured firewalls, IP tunneling, and SIP servers for network security.
    • Set up the Automatic Transfer Switch (ATS) ensuring seamless connectivity across NADRA registration centers.