- Delivered 2 enterprise / government projects on network management and business platform. Product is being run on multiple cloud regions across the globe or privately on internal enterprise network.- Work directly with customers to clarify requirements, discussion, provide estimation and solution to build ideas into the actual product/features.- Design high-level architecture, deployment architecture (cloud and on-premise) and detailed architecture.- Provide all architectural documents and implementation document to guide developers in development/deployment phase.- In charge of all technical matters and decisions, such as: system design, frontend and backend development, DevOps, security and operational.- Support UI/UX design and code review.- Guide development solution to match release plan.- Technical writeup, training and sharing.

- Continue working on the e-wallet engine project (below).- Consult other projects on technologies, project structure, feature design and improvements in workflow, operational or performance.- Develop internal tools to support developers, QAs and DevOps.- Technical write up and sharing.

- Manage the staging and production environment, deployment and operational (DevOps). In charge for production incident.- Define and implement standard CI/CD pipelines for multiple environments and repositories with security included (DevSecOps).

- Develop from ground up an e-wallet engine, been serving millions of monthly active users.- Involve in code review, interviewing, partner / technical discussion, feature / security / operational design and implementation.- Develop internal tools to support developers, QAs and DevOps.- Technical write up and sharing.

- Develop an Internet of Things cloud platform for an award-winning startup. Microservice architecture, agile workflow.- Design and implement edge data relay service.- Work directly with client for clearing requirements and feedbacks.- Research and review incubation technologies (Istio, Traefik) and its feasible to be applied to the project.- Develop an internal tool that help speed up development setup and test.

- Develop the centralized management and analytic platform for network devices.- Monolithic architecture, waterfall / agile workflow.- Implements Single Sign-on, DNSSEC, DNS RRL, analytic feature on DNS/IPv6 and ETL pipelines.- Code review and pair-programming.- Internal technical write up and sharing.