Senior Full Stack Software Developer · Milpitas, California
Senior full stack software developer with 8 years of experience building and running production systems at scale with a focus on performance, reliability, cost, and observability. I own customer-facing features end-to-end and ship quickly using C#, Node.js or Python, React or Next.js, SQL Server, and AWS with CI/CD and infrastructure as code.
Advantech
Designed and launched the Equipment Administration, Scheduling & Tracking (EAST) platform using .NET 9 and Next.js, enforcing standardized equipment workflows and audit-ready controls to reduce manual errors. Delivered logistics features in C#, building REST APIs used by smart robots to coordinate stock receiving and putaway, improving SAP inventory synchronization and saving 50 hours per week in shipment handling.
Bank of Montreal
Owned API design and implementation for investment and wealth platforms used by advisors and internal teams, delivering production APIs that supported 20,000 peak concurrent users. Built and maintained backend microservices in Python, Node.js, and C#, and shipped internal React banking tools to streamline operations. Led migration of production workloads from on-premises to AWS EC2, improving reliability and scalability while reducing infrastructure costs by 80% and deployment time to 30 seconds. Automated CIS benchmark server hardening with Ansible Playbooks, strengthening security compliance and reducing manual provisioning effort by 90%.
Book4Time Inc.
Shipped core SaaS features for B2B and B2C customers using C#, React, SQL Server, and AWS, and improved latency by 60% using Redis cache, S3, and CDN optimization. Implemented and supported third-party integrations including payment gateways, gift cards, HTNG hotel interfaces, and access control systems. Modernized UI styles across 700+ pages using Tailwind and SCSS with UX designers, improving customer satisfaction feedback and boosting seasonal sales by 15%.
CIK Telecom Inc.
Spearheaded refactoring of legacy systems using Node.js and React, delivering 10x performance gains while reducing system failure rate from 10% to under 0.1%. Built an automated packaging workflow using C# and MQTT to reduce daily shipment backlogs by 40%. Developed customer-facing web experiences and marketing campaigns that increased measured site visits by 25%.