Hammad Ullah Khan

Background

About Hammad Ullah Khan

I’m a Senior Software Engineer and Technical Lead with 6+ years of experience building scalable, resilient, and cloud-native software solutions across fintech, ad tech, and SaaS domains. I've led engineering teams and delivered high-impact applications for startups and enterprise clients across the U.S, with a strong focus on modern architectures and hands-on problem-solving. My core strengths include microservices and serverless architectures using Node.js, Python, React, and GraphQL, deployed on AWS services such as Lambda, Kinesis, AppSync, Glue, Cognito, RDS, and more. I have integrated LangChain into intelligent automation pipelines for NLP tasks, document processing, and chatbot workflows—combining LLMs with serverless systems to build next-gen AI features. I'm equally confident designing robust ETL pipelines, managing large-scale socket-based infrastructures (IoT-like), and implementing event-driven systems with deep DevOps and IaC practices (Terraform, Pulumi, CDK). I actively write unit and integration tests using frameworks like Playwright, Mocha/Chai, and Jest, ensuring production reliability and reducing regressions. I also mentor junior developers, lead architecture discussions, and collaborate with product teams to turn business goals into scalable engineering solutions. Let’s build systems that are not just functional—but future-ready.