Summary
Hari Periyasamy is a product-focused full-stack engineer with 9 years of experience, specializing in frontend-heavy ad tech and high-performance systems. He has built ultra-low-latency OpenRTB bidding engines in Rust at Shopify and led petabyte-scale, secure first-party data onboarding and activation at AWS, bridging UI, APIs, and infrastructure. His work blends deep frontend performance optimization (real-time streaming UIs, WebSockets, Web Workers) with backend-heavy concerns like encryption, access controls, and automated multi-account deployments. Hari consistently drives observability and data integrity improvements for advertising workflows and has a track record of raising UI accessibility and design-system standards. Based in Boston, he pairs Northeastern informatics training with hands-on experience across cloud, analytics, and large-scale SaaS productsโcomfortable shipping both browser-optimized visuals and mission-critical backend services.
9 years of coding experience
10 years of employment as a software developer
Master's degree Informatics, Master's degree Informatics at Northeastern University
Bachelor of Engineering (B.E.) Electronics and Communication, Bachelor of Engineering (B.E.) Electronics and Communication at PSG College of Technology
English, Tamil