Experience

Timecloud

• New Zealand
• IT Services and IT Consulting
• 1 - 100 Employee

• Full Stack Software Engineer

  • Jul 2023 - Present



Tyremax New Zealand

• New Zealand
• Wholesale
• 1 - 100 Employee

• Senior Developer

  • Jun 2023 - Jul 2023



PwC Acceleration Center Shanghai

• China
• IT Services and IT Consulting
• 300 - 400 Employee

• Senior Associate | Tech Leader

  • Apr 2022 - Feb 2023

  As a core team member, contributed to the development of "Model Edge", a multi-tenant SaaS web management system designed specifically for banks. Backend Tech Stack: Postgres, Node.js, Typescript, Graphql, Express, TypeORM, Knex, Redis, Socket.io, Jest, GCP, Nest.js, Scrum  Achieved a significant improvement in the performance of the main dashboard API by implementing optimization techniques such as code refactoring and SQL indexing, which resulting in a performance improvement of 80%.  Implemented the finite state machine and memento design patterns to refactor the approval process code, resulting in significant improvements in code maintainability and extensibility.  Implemented microservices architecture and utilized the stream feature in Node.js to enhance the performance of the CSV and ZIP export function, resulting in a significant reduction in high memory usage (from memory stack overflow to 200M) and resolution of the unresponsiveness of the backend service when exporting large amounts of data.  Identified and resolved a critical bug related to cached data inconsistency. Additionally, implemented the use of class and decorators to streamline and standardize existing code, removing hundreds of lines of duplicated code.  Collaborated with cross-functional teams to design, develop, and test critical business logic in the system within an agile development environment. Show less



Oki Electric Software Technique (jiangsu) Co., Ltd.

• China
• Software Development

• Senior Software Developer

  • Apr 2021 - Apr 2022

  As a technical leader, provided guidance and mentorship to a team of Node.js beginners to develop a data management application using Electron. Investigated and resolved technical challenges encountered during the development process. Tech Stack: Electron, Node.js, Postgres, TypeORM, React, Material UI  Utilized localStorage to enable sharing of Redux state across multiple windows.  Utilized IPC between render process and main process to delegate CPU-intensive tasks such as compression and decompression to the main process to resolve issues with unresponsive pages. Show less



JiuJiuDun Infomation Technology Co., Ltd

• Jiangsu, China

• Senior Software Developer | Team Leader

  • Aug 2020 - Apr 2021

  Led the front-end and back-end teams in developing an internal product authorization system, and was responsible for the system design and coding of the core back-end functionality. Tech Stack: Java, MySql , MyBatis-Plus, SpringBoot Led the front-end and back-end teams in developing an internal product authorization system, and was responsible for the system design and coding of the core back-end functionality. Tech Stack: Java, MySql , MyBatis-Plus, SpringBoot



Changzhou Onsoft Software Co., Ltd.

• Jiangsu, China

• Full Stack Developer | Team Leader

  • Jul 2015 - Jul 2020

  Full Stack Developer | Team Leader o Built a SaaS platform from scratch to serve thousands of tenants, utilizing microservices to receive and display data from hundreds of thousands of IoT devices. Independently developed the back-end of the platform. Tech Stack: Node.js, MySql, Redis, RabbitMQ, MQTT  Implemented a robust messaging infrastructure using RabbitMQ, leveraging advanced features like Time-to-Live (TTL) settings and dead-letter queues to ensure the reliable and efficient delivery of messages. o Developed embedded Python programs in Linux for ARM, utilizing the I2C interface to control and collect data from IoT sensors. Developed a mechanism for saving data locally and uploading to a SaaS platform. Show less



Fujitsu

• IT Services and IT Consulting
• 700 & Above Employee

• Software Engineer

  • Jul 2012 - Jun 2015