Hiep Doan
About
Hiep Doan is from Singapore, Singapore. Hiep works in the following industries: "Computer Software", "Internet", and "Information Technology & Services". Hiep is currently Senior Data Engineer at Twitter, located in Singapore, Singapore. In Hiep's previous role as a Senior Software Engineer at GO-JEK, Hiep worked in Singapore until Sep 2021. Prior to joining GO-JEK, Hiep was a Software Engineer at Evie.ai and held the position of Software Engineer at Singapore. Prior to that, Hiep was a Software Engineer at honestbee from Apr 2016 to May 2017. Hiep started working as Client Solutions Engineer at IBM in Singapore in Jun 2014. From Jan 2013 to Jun 2013, Hiep was Engineering Intern at PayPal, based in Singapore.
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Hiep Doan's current jobs
Hiep Doan's past jobs
• Build and deploy Golang microservices on GCP infrastructure and Kubernetes. • Build feature collection system with 2.5M RPM throughput for fraud prevention. • Build in-house fraud rule automation engine and deployed real-time analytical database ClickHouse for real-time rules. • Deploy and manage graph database solution for fraud detection. • Build in-house graph vizualization for fraud investigation with ReactJs. • Support data scientists to deploy ML models to Apache Spark and Apache Airflow. • Manage ETL jobs to move data between PostgreSQL, Google Cloud Storage and BigQuery on Apache Airflow.
• Designed and implemented a powerful and flexible skill platform for virtual assistant Evie to complement NLP capability. • Implemented on-demand pricing model with ChargeBee integration. • Maintained Ruby on Rails services and managed deployment on AWS with Terraform.
• Maintained and optimized honestbee's product catalog system. • Rebuilt catalog system frontend for categorization managers with ReactJs. • Managed Ruby on Rails services and managed deployment on AWS ElasticBeanstalk.
• Configured and trained Watson Virtual Assistant for IRAS by providing groundtruth for NLP model and optimising results. • Implemented a testing framework using Django to ensure accuracy of trained Virtual Assistants.
• Worked in APAC Innovation Team and developed PayPal Order Ahead System using Magento framework.