- Developed and maintained a microservices-based architecture with NodeJS, NestJs, k8s, helm, Postgres, Elasticsearch for IOT microservices. - Collaborate with cross-functional teams including frontend engineers, designers, firmware engineer, to define technical requirements, prioritize tasks, and deliver high-quality software solutions.

1. Designing and Maintaining server feature for Molteo and Crafthunt app. 2. Designing and Maintaining CI / CD flow for backend. 3. Choose tech stack base on capacity planning, cost and business requirements. 4. Bring geometry search using Postgis into Crafthunt system architecture. 5. Optimizing cost & load performance and review sql explain to adjust query. 6. Supporting Internal Tools development. 7. Adding unit test and e2e test into system. 8. Supporting pair programming and code review for maintaining and enhance project code quality.

1. Design and Maintaining ChatBot Microservices. 2. Redesign backend architecture shifting services communication from sync to async by using Kakfa. Increasing around 30% of efficiency, and decoupling business logic. 3. Integrating with Facebook & Line & Google API for our ChatBot Services. 4. Optimizing cost & load performance by adjusting algorithm increasing around 50% of cost. 5. Supporting Internal Tools development, such as ML Models SDK and makefile for integrating with cli commands.

1. Design and Maintaining Visual Recognition Backend using Typescript-Express. 2. Optimizing cost & load performance by adjusting algorithm by adjusting algorithm increasing around 20% of cost. 3. Supporting Internal Tools developement.

1. Responsible for BLDC products firmware support, using C++ to maintain and design features. 2. Analyze and feedback on acoustic report to customer's. 3. Supporting current sensor hardware and firmware design.

1. Generating more than 30 products including Normal & HDI prototype in both sample and M/P. 2. Improve process capability and production volume while maintaining and improving quality standards.