- Led the development of the new Anti Fraud microservice which supports every Coda Payments products, handles up to 4 million transactions per days using Java, Quarkus, Docker and AWS technologies- Identified and resolved a concurrency issue, which led to a 95% reduction in latency in risk check- Responsible for maintaining and improving the operational aspects of the service, including deployment, monitoring, logging, and scaling, was successful in reducing cloud cost by 20% . Setup metric dashboards, alerts on Grafana, which provided meaningful metrics to the biz team and improved the system's observability.

Worked on an analytic platform that provides retail stores with metrics like number of visitors, sales, staff working hours, etc. from video data and other sources. Some main contributions:- Designed and implemented a pipeline for matching customers with POS transactionsusing graph and tracking algorithms with an accuracy rate upto 90%.- Designed and implemented various core features for end users in the analyticsplatform like staff data integration, favorite dashboards, metrics data aggregation etc.for hundreds of retail stores to use daily.Technologies used: Java (Spring), Python, Typescript (Angular), Docker, k8s, Postgresql. Also used some cloud platform services like AWS S3, GCS, Pubsub, etc.

- Designed and implemented a new web crawler service for the Automatic Ad Reviewsystem which reduced latency by 80% and reduced resource usage by 70%.- Designed and implemented a data processing pipeline which handles 2.5 million events / day to ingest ads related events and produce reports for operations.- Developed and maintained various applications in LINE's ecosystemTechnologies used: Java (Spring), Node.js (Nest.js), Typescript, Kafka, Grafana, Jenkins, MySQL, Redis

https://www.atechpartner.com- Designed and implemented various web applications for a discontinued english learning service, including a chrome extension and an algorithm to predict users’ vocabulary range.- Build and maintain CI/CD pipeline using Bitbucket pipelinesTechnologies used: Node.js, React.js, Postgresql

Participated in the development, maintenance process of customer onboarding applications for 2 major Swiss banks using Axon Ivy frameworkTechnologies used: Java (Axon ivy framework), Javascript