Key Engineer in a small impactful team developing OCBC Wingman, an in-house AI coding assistant built for VS Code and IntelliJ IDEs, integrated with LLMs hosted on-premise

Lead the automatic code completion feature for Wingman, and demo-ed the code completion feature to firm wide engineers. Contributed to AI chatbot fine-tuned for coding tasks and code debugging features.

Successfully rolled out to 2,000 software engineers across OCBC Group's international offices increasing the productivity of the engineers by 20%.

Built Automation services(Pricing Automation, Pay-per-click(PPC) Ads Automation, and Store Automation for Amazon Merchants) from POC stage to Production using Airflow, Hasura, SQS, PostgreSQL, Business Rules Engine and various NPM modules for the Frontend.

Lead engineer for Auth microservice; migrated 100% from self-hosted Keycloak to AWS Cognito, moving authentication and authorization services to the AWS platform.

Designed and built access control system (RBAC, ACL) for user level and organization level using Hasura role-based authorisation and database operation permissions and AWS Cognito user pool and identity pool.

Key engineer building and optimizing company’s web products(multi-tiered architecture) growing user-base by 10x.

Hardened cloud services SSH connection management

Integrated 3rd-party Fraud Detection/Risk Intelligence platform by building Javascript(ES6) client-side module and server-side API endpoints.