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Atlassian

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I am a full-stack web developer. I am also experienced in DevOps. The CI/CD tool I am most familiar with is Jenkins.

國立中興大學

Senior Software Engineer

Chiao Yu

TXOne Networks | 睿控網安股份有限公司

Senior DevSecOps Engineer

I am mainly responsible for 
- maintaining services which are used for DevSecOps like Jenkins, GitHub, Jira, TestRail, Fortify and Black Duck. 
- Fix known security issues on self-hosted IT services and react to any new emerging threat. 
- Use Certbot to build an automatic SSL/TLS certificate renewing procedure, which saves the effort IT spent on applying for free certificates every three month.
- Use API of HRM to synchronize employee data to Microsoft 365 accounts, so information like job title, department and contact number will display on Teams and Outlook automatically.
- Introduce ISO/IEC 27001 standards and TISAX standards.

I also works on various kind of jobs:
- Design and develop e-Forms on BPM system to help accomplish miscellaneous internal company affairs like Purchase Request, Expense Reimbursement, Allowance Application, Business Trip Application, ESOP (Employee Stock Ownership Plans), etc.
- Create a web crawler to fetch up-to-date currency exchange rates from Bank of Taiwan to use on Expense Reimbursement.
- Develop IaC for Azure with Terraform to make maintenance 
 of cloud-based resources easier.
- Use Azure Flexible MySQL server to store data from BPM system. With the data I can calculate estimated/actual cost by projects and generate report to Finance department every week.
- Use Excel Script feature to calculate length of working hours of employees.
- Tune WiFi capability (802.11 k/v/r).
- Build ELK stack with Docker Compose.

300台灣新竹市

I am responsible for developing the management interface of storage systems, also maintaining the automation systems. In addition, I have experience working on distributed systems since there is a project involved with clusters.

web management interface:
- Implement front-end components with AngularJS directive (or Angular native component).
- Manipulate the front-end data through JavaScript prototype and closure.
- Make website layout responsive using CSS flexbox.
- Enhance user experience through AJAX.
- Enhance frontend update efficiency through WebSocket.
- Remember user preferences through cookies.
- Maintain the cache updating flow on both backend and frontend.
- Update system status continuously through a Java thread.
- Use Java Hibernate to implement data transfer between the web server and DB.
- Maintain the flow of SSL certificate signing request (CSR) generation and certificate uploading.
- Use a thread pool to handle concurrent data loading.

automation system:
- Use Jenkins server to automate release and unit test tasks.
- Enhance release flow to make it totally automatic and more flexible on customization.
- Use Node.js gulp task manager to do JavaScript file minifying,  bundling, and Sass/SCSS compiling.

Chiao Yu’s posts