- As a software delivery lead, I was responsible for overseeing the successful delivery of software projects for a team of 12 developers with diverse skill sets, including Front-end, Back-end, DevOps, Data Engineering, and Data Analysis.- Designed and built a highly available, auto-scalable, and fault-tolerant events handling and processing system using AWS API Gateway, SQS, Lambda, SNS, S3, and Athena. This infrastructure was successfully applied to six different partners, resulting in… Show more - As a software delivery lead, I was responsible for overseeing the successful delivery of software projects for a team of 12 developers with diverse skill sets, including Front-end, Back-end, DevOps, Data Engineering, and Data Analysis.- Designed and built a highly available, auto-scalable, and fault-tolerant events handling and processing system using AWS API Gateway, SQS, Lambda, SNS, S3, and Athena. This infrastructure was successfully applied to six different partners, resulting in increased performance, reliability, and efficiency.- Utilized SQS and Lambda to create a Serverless events processing that automatically retries and alarms whenever an error occurs, resulting in a more robust system.- Built a data analytics infrastructure capable of processing 2 million events per month, including 728k clicks, 400k views, and other metrics. This system provides real-time and historical data processing capabilities, enabling our team to make informed decisions based on accurate data.- Working with the team to manage more than 30 AWS services, including: API Gateway, Lambda, EC2, ECS, RDS, QuickSight, EMR, etc.- Collaborating with various stakeholders, including the Product Owner, Business Analysts, and development team to analyze project requirements and design technical solutions that met business needs.- Designing technical solutions for low latency, high availability, and distributed systems. Show less

- Collaborate with multiple payment gateways around the world to build mobile marketing network.- Building our internal report system using Scala, Java, ReactJS, AWS Cloud as infrastructure.

- Design database schema and create API to produce report and dashboard from multiple databases: MongoDB, Redis, ClickHouseDB and PostgreSQL.- Perform ad-hoc analysis and investigations into business problems including advanced report such as top 10 publishers by revenue, top placements by revenue, top advertisers spend.- Working closely with the sale team to create new advertising formats.

- Worked on Video Advertising Platform - itvAd.- Design system architecture and implement as a back-end developer.Tools/Frameworks :* RFX framework, Java 8, Gradle Build* Apache Kafka* MySql, MongoDB, Redis

Take part in a outsourcing project. We build a healthy care and insurance system for Japanese customer. Using Java, Spring Batch framework, and Oracle for manage database.

Social network sentiment analysis- We crawl data from Facebook Groups, include post and comments of facebookmembers. Then using LDA algorithm to automatically discovering topics that datacontain. After that, analyzing emotion of these topics.