•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.
