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I’m Bill Kuang, a senior software engineer with 10 years of experience building large-scale platforms across FinTech, healthcare, and e-commerce. I’ve led the design and delivery of systems that automate regulatory intelligence, enable secure telehealth coordination, and unify orders, inventory, and customer interactions in real time. I thrive in cross-functional environments and enjoy turning complex clinical and regulatory requirements into scalable, production-grade architectures. I value mentorship, data-driven decision making, and robust security and compliance as core pillars of high-quality software.…I’m Bill Kuang, a senior software engineer with 10 years of experience building large-scale platforms across FinTech, healthcare, and e-commerce. I’ve led the design and delivery of systems that automate regulatory intelligence, enable secure telehealth coordination, and unify orders, inventory, and customer interactions in real time. I thrive in cross-functional environments and enjoy turning complex clinical and regulatory requirements into scalable, production-grade architectures. I value mentorship, data-driven decision making, and robust security and compliance as core pillars of high-quality software.

Bill Kuang

Full Stack Developer, Web Developer, Front-End Developer, +2

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I’m Bill Kuang, a senior software engineer with 10 years of experience building large-scale platforms across FinTech, healthcare, and e-commerce. I’ve led the design and delivery of systems that automate regulatory intelligence, enable secure telehealth coordination, and unify orders, inventory, and customer interactions in real time. I thrive in cross-functional environments and enjoy turning complex clinical and regulatory requirements into scalable, production-grade architectures. I value mentorship, data-driven decision making, and robust security and compliance as core pillars of high-quality software.…I’m Bill Kuang, a senior software engineer with 10 years of experience building large-scale platforms across FinTech, healthcare, and e-commerce. I’ve led the design and delivery of systems that automate regulatory intelligence, enable secure telehealth coordination, and unify orders, inventory, and customer interactions in real time. I thrive in cross-functional environments and enjoy turning complex clinical and regulatory requirements into scalable, production-grade architectures. I value mentorship, data-driven decision making, and robust security and compliance as core pillars of high-quality software.

Available to hire

I’m Bill Kuang, a senior software engineer with 10 years of experience building large-scale platforms across FinTech, healthcare, and e-commerce. I’ve led the design and delivery of systems that automate regulatory intelligence, enable secure telehealth coordination, and unify orders, inventory, and customer interactions in real time.

I thrive in cross-functional environments and enjoy turning complex clinical and regulatory requirements into scalable, production-grade architectures. I value mentorship, data-driven decision making, and robust security and compliance as core pillars of high-quality software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Javanese

Advanced

Aragonese

Advanced

Work Experience

Senior Software Engineer at Amazon

December 1, 2019 - Present

Led architecture and development of World Wide Watch, Amazon’s internal FinTech regulatory intelligence platform, leveraging generative AI to automate VAT and compliance workflows and transform global regulatory tracking for finance and tax teams. Architected a scalable regulatory automation system reducing insight processing time by 92% (26 minutes to 2 minutes per update) and enabling faster, data-driven compliance decisions across multiple jurisdictions. Designed scalable cloud architecture integrating AWS Bedrock, SageMaker, OpenSearch Service, and S3, supporting thousands of regulatory documents per week with 5-second processing latency. Directed cross-functional teams with Tax, Finance, Legal, and VAT Policy experts, ensuring 100% of AI-generated regulatory summaries passed expert validation in production workflows. Engineered AI/ML pipelines using generative models and semantic embeddings to summarize and prioritize regulatory updates, reducing analyst review workload by 80%.

Senior Software Engineer at Amazon

December 1, 2019 - Present

Managed a team of 6 engineers to architect and deliver secure real-time telehealth systems for care coordination and clinician dispatch, supporting 100K+ annual consultations with sub-2s messaging latency. Architected care coordination & clinician dispatch platform, implementing urgency- and location-based routing logic that reduced assignment time by 40%. Built distributed backend services for patient records, scheduling, care summaries, and e-prescriptions, scaling to 500K+ patient profiles with 99.9% uptime. Engineered end-to-end e-prescription workflows integrating provider systems and pharmacy fulfillment, reducing processing time and enabling same-day delivery. Created HIPAA-compliant cloud infrastructure on AWS (encryption, RBAC, audit logging) and optimized WebRTC communication pipelines, improving session stability by 45% under peak load. Partnered with product, medical, compliance, and operations stakeholders to convert clinical workflows into scalable, production-grade syste

Software Engineer at Shopify

February 1, 2015 - November 1, 2019

Developed Shopify POS, transforming the iPad checkout app into a real-time, omnichannel commerce platform for 100,000+ stores, enabling unified management of inventory, orders, and customers across online and physical channels. Built the React Native POS app for iOS/Android tablets, implementing checkout workflows, product search, promotions, discounts, returns/exchanges, and customer management, improving transaction speed and reducing errors by 30%. Designed Rails + GraphQL backend APIs to handle multi-location inventory, orders, staff permissions, and payment processing, supporting multi-tenant operations with real-time consistency. Applied real-time inventory and order synchronization using WebSockets (ActionCable) and Sidekiq + Redis, ensuring consistency across stores and online channels. Enhanced POS app extension framework for embedded third-party apps (loyalty programs, promotions), reducing checkout clicks from 4 to 1 and improving merchant flexibility. Integrated hardware pe