• Designed and developed a scalable, serverless backend architecture using Python, AWS Lambda, and DynamoDB to power a real-time radon monitoring service

• Designed and optimized REST APIs in Python that reduced DynamoDB query costs and improved response times, directly enhancing customer satisfaction

• Successfully proposed, championed, and secured executive buy-in for a new data service platform to unlock actionable insights for customers. Now independently leading the end-to-end design and development, building the core ETL processes using Apache Spark on AWS EMR

• Developed responsive web dashboards and mobile applications using ReactJS and React Native

• Enhanced the in-house ERP application for order, inventory, and defective management by implementing history tracking and acknowledgment processes, resulting in reduced delays

• Designed and developed a system that provides daily statistics on advertising costs and performance, accelerating the decision-making process by 2-3 hours per day

• Spearheaded the adoption of a distributed file system for a video surveillance platform managing 4+ petabytes of video data and supporting 40,000+ monthly users

• Led the full project lifecycle from PoC, architecture redesign, solution selection, testing, and migration to production deployment

• Achieved 18% reduction in storage costs and improved system resilience against failures through distributed architecture

• Designed and developed web application servers on cloud infrastructures such as AWS and Azure

• Analyzed requirements, documented specifications, and defined REST APIs

• Led cloud-based projects including mobile phone location inference and cloud printing

• Analyzed requirements and documented specifications

• Designed architecture and defined REST APIs

• Developed web applications such as an online shopping service and a private app store