• Drove tech transformation initiatives that decoupled business domains from one big monolith to their own microservices.
• Led, architected and built large scale pricing service from scratch for Storefront that serves all customer facing pricing needs (both e-commerce and retails), with high availability achieving 3-9s SLOs, which serves 6k+ requests/second on average daily, without taking big sales events into account.
• Enabled a new pricing model for suppliers and eliminated price discrepancy issues by properly encapsulating business logic into corresponding domains and establishing a single source of truth for accessing such logic and data.
• Effectively worked with Product and TPM partners and stakeholders on rolling out high impact services.
• Effectively collaborated with Product partners in gathering requirements and roadmap planning.
• Led initiatives on data decoupling from the backend that refined and established the domain boundary for the data with clear API contracts built.
• Drove and developed A/B tests and feature advancements on web pages from both frontend and backend.
• Improved the page performance (speed index) by 60% by improving the SSR from the backend and reducing the JS bundle size from the frontend.
• Set high bars in the team with definition of done documented in detail, to ensure services maturity.
• Ensured site reliability and improved the system maintainability by setting up and improving the monitoring of applications, such that issues are captured before customers do.