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Chang, Chung-Ho
Sr. Software Engineer
Taipei City, Taiwan
Dear HR Manager / IT Manager,
I am Chung-Ho Chang, formerly a Project Management Supervisor, and currently a Senior Software Engineer. Within the company, I am responsible for C# and T-SQL program development, with involvement in various types of C# projects. I have developed and maintained standalone programs, web-based applications, WebServices, WebAPIs, BigData ETL projects, and automated scheduling systems. I also possess experience in DevOps technologies such as version control and CI/CD.
During my tenure at CPC Corporation, Taiwan, I resolved long-standing tax leak issues within systems, boosting report generation speeds by over ten times. Additionally, I addressed abnormal database transaction updates for users and developed a fuzzy query feature, reducing user input time from 1 hour to 20 minutes. I contributed to the establishment of ETL projects for moving data in the BigData center, handling 15 million records per cycle. I also served as an internal technical instructor, elucidating advanced features of C#. I optimized database tables for normalization while meeting web presentation needs, enhancing system stability without the need for constant oversight.
At Neux, I utilized Java and JavaScript to integrate the Google Maps library and AI shortest path algorithms, providing time-efficient travel routes. My responsibilities included internal system maintenance, Corporate Client System establishment involving HTTPS certificate setup, automated deployment of web applications, creating high-availability architectures, vulnerability scanning patching, and project load testing.
My inclination towards problem-solving led me to be among the earliest in the team to master commonly used technologies/open-source software like Linq, Dapper, Newtonsoft, SqlKata, and so on. I prioritize maintainable code, leading to extensive refactoring during my tenure. I find satisfaction when functionalities I develop benefit users, hence my earnest discussions with users about their usage scenarios honed through extensive interpersonal experiences during my military service.
In the future, I aspire to deepen my expertise in software development while branching into DevOps and artificial intelligence fields, approaching this with an open-minded attitude. I hope for the opportunity to collaborate with your team and contribute unique value to the company!
Best regards,
Chang, Chung-Ho
Work Experience
07/2018 - Present
Senior Software Engineer CPC Corporation, Taiwan
Taxation System
- Identify long-standing unresolved tax issues.
- Streamline the tax filing process to increase output speed by more than 10 times (from over 2 minutes to under 10 seconds).
Gas Station Inventory Management System
- Improve transactions to eliminate "lost update" and "lock" issues.
Diversification System
- Establish a product fuzzy query feature.
- Conduct statistical analysis on datasets and determine query parameters based on data distribution characteristics.
BigData Data Exchange
- Manage periodic ETL scheduling and large-scale data migration (15 million records).
Information Technology Instructor
- Served as an internal instructor in 2022, explaining how to use reflection and Intermediate Language (IL) to generate extension methods for List<object> without prior knowledge of Datatable column details. link: lecture video at 16 min 45 sec
Fuel Pricing System
- Enhance stability and flexibility, no longer requiring standby duty during weekends.
- Utilize T-SQL's pivot syntax to transform normalized data tables into user-specified formats.
Open Data
- Utilize .NET Core Minimal API projects in conjunction with Swagger for government open data information.
Cooperative Lease Shops
- Modify error data exchange formats, reducing the need for double conversion and increasing exchange speed by 1x.
- Assist outsourcing companies in the integration of payment machine mechanics for cooperative lease shops.
Others
09/2015 - 10/2016
Soft Engineer Neux
I used Java and JavaScript to develop a feature that integrates the Google Map library and AI's shortest path algorithm to provide time-saving travel recommendations.
Deployment of Content Management Systems (CMS) for projects such as Taishin Bank, Taiwan Cooperative Bank, Shin Kong Bank, Chang Hwa Bank, etc. Setting up web/application servers, installing HTTPS certificates, automating web/application deployment, configuring high-availability architectures (HA, sticky session), web compression, route rewriting (Rewrite and Redirect), vulnerability scanning, load testing, vulnerability patching, and education/training.
Establishment of the company's internal IT environment, including version control, virtual machine deployment, server maintenance, and DEV environment setup.
11/2014 - 01/2015
Intern, Zahn Center San Diego State University
Search for and contact potential suppliers
Assist business modelling
09/2013 - 06/2014
Mentee, mentor program of EMBA National Central University
Attend lectures from mentors. Lecture topics including conducts of business, attitude, future trend, career planning, etc, but more focus on leadership.
Build relationship with mentors
09/2013 - 12/2013
Teacher Assistant, Systems Analysis and Design (Universal Modelling Language) National Central University
Answer course-related questions for students
Evaluate, recap final project and report to the instructor
Build midterm and final exam test bank for instructor to choose
Correcting the answer sheets
Manage score data
09/2012 - 06/2013
Mentee, mentor program of department of information management National Central University
Attend lectures from mentors. Lecture topics including conducts of business, attitude, future trend, career planning, etc.
Build relationship with mentors
09/2009 - 08/2011
Training Evaluator, Caption Department of Defense
Evaluate the tactical performances of annual anti-air artillery troop training, including MADS (patriot), HAWK, Sky-Bow units
Member of firing practice advising council
07/2004 - 08/2009
Vice battery commander, Caption Department of Defence
Make annual training plan for battery
Mentor junior cadres, giving leading advices
Coordinate conflicts between or within platoons
Audit the results, taking necessary steps to correct
07/2001 - 06/2004
Platoon Leader, Lieutenant Department of Defense
Organise monthly plans for platoon training
Encourage staffs to achieve goals
Undertake outcomes and solve problems
Education
2014 - 2015
San Diego State University
MBA
2012 - 2014
National Central University
Information Management
1997 - 2001
R.O.C. Military Academy
Electrical and Electronics Engineering
Skill set
- C#.NET development
- T-SQL
- Vue.js
- Git
- Java
- and more...
Language
- Chinese — native speaker
- English — intermediate
Chang, Chung-Ho
Sr. Software Engineer
Taipei City, Taiwan
Dear HR Manager / IT Manager,
I am Chung-Ho Chang, formerly a Project Management Supervisor, and currently a Senior Software Engineer. Within the company, I am responsible for C# and T-SQL program development, with involvement in various types of C# projects. I have developed and maintained standalone programs, web-based applications, WebServices, WebAPIs, BigData ETL projects, and automated scheduling systems. I also possess experience in DevOps technologies such as version control and CI/CD.
During my tenure at CPC Corporation, Taiwan, I resolved long-standing tax leak issues within systems, boosting report generation speeds by over ten times. Additionally, I addressed abnormal database transaction updates for users and developed a fuzzy query feature, reducing user input time from 1 hour to 20 minutes. I contributed to the establishment of ETL projects for moving data in the BigData center, handling 15 million records per cycle. I also served as an internal technical instructor, elucidating advanced features of C#. I optimized database tables for normalization while meeting web presentation needs, enhancing system stability without the need for constant oversight.
At Neux, I utilized Java and JavaScript to integrate the Google Maps library and AI shortest path algorithms, providing time-efficient travel routes. My responsibilities included internal system maintenance, Corporate Client System establishment involving HTTPS certificate setup, automated deployment of web applications, creating high-availability architectures, vulnerability scanning patching, and project load testing.
My inclination towards problem-solving led me to be among the earliest in the team to master commonly used technologies/open-source software like Linq, Dapper, Newtonsoft, SqlKata, and so on. I prioritize maintainable code, leading to extensive refactoring during my tenure. I find satisfaction when functionalities I develop benefit users, hence my earnest discussions with users about their usage scenarios honed through extensive interpersonal experiences during my military service.
In the future, I aspire to deepen my expertise in software development while branching into DevOps and artificial intelligence fields, approaching this with an open-minded attitude. I hope for the opportunity to collaborate with your team and contribute unique value to the company!
Best regards,
Chang, Chung-Ho
Work Experience
07/2018 - Present
Senior Software Engineer CPC Corporation, Taiwan
Taxation System
- Identify long-standing unresolved tax issues.
- Streamline the tax filing process to increase output speed by more than 10 times (from over 2 minutes to under 10 seconds).
Gas Station Inventory Management System
- Improve transactions to eliminate "lost update" and "lock" issues.
Diversification System
- Establish a product fuzzy query feature.
- Conduct statistical analysis on datasets and determine query parameters based on data distribution characteristics.
BigData Data Exchange
- Manage periodic ETL scheduling and large-scale data migration (15 million records).
Information Technology Instructor
- Served as an internal instructor in 2022, explaining how to use reflection and Intermediate Language (IL) to generate extension methods for List<object> without prior knowledge of Datatable column details. link: lecture video at 16 min 45 sec
Fuel Pricing System
- Enhance stability and flexibility, no longer requiring standby duty during weekends.
- Utilize T-SQL's pivot syntax to transform normalized data tables into user-specified formats.
Open Data
- Utilize .NET Core Minimal API projects in conjunction with Swagger for government open data information.
Cooperative Lease Shops
- Modify error data exchange formats, reducing the need for double conversion and increasing exchange speed by 1x.
- Assist outsourcing companies in the integration of payment machine mechanics for cooperative lease shops.
Others
09/2015 - 10/2016
Soft Engineer Neux
I used Java and JavaScript to develop a feature that integrates the Google Map library and AI's shortest path algorithm to provide time-saving travel recommendations.
Deployment of Content Management Systems (CMS) for projects such as Taishin Bank, Taiwan Cooperative Bank, Shin Kong Bank, Chang Hwa Bank, etc. Setting up web/application servers, installing HTTPS certificates, automating web/application deployment, configuring high-availability architectures (HA, sticky session), web compression, route rewriting (Rewrite and Redirect), vulnerability scanning, load testing, vulnerability patching, and education/training.
Establishment of the company's internal IT environment, including version control, virtual machine deployment, server maintenance, and DEV environment setup.
11/2014 - 01/2015
Intern, Zahn Center San Diego State University
Search for and contact potential suppliers
Assist business modelling
09/2013 - 06/2014
Mentee, mentor program of EMBA National Central University
Attend lectures from mentors. Lecture topics including conducts of business, attitude, future trend, career planning, etc, but more focus on leadership.
Build relationship with mentors
09/2013 - 12/2013
Teacher Assistant, Systems Analysis and Design (Universal Modelling Language) National Central University
Answer course-related questions for students
Evaluate, recap final project and report to the instructor
Build midterm and final exam test bank for instructor to choose
Correcting the answer sheets
Manage score data
09/2012 - 06/2013
Mentee, mentor program of department of information management National Central University
Attend lectures from mentors. Lecture topics including conducts of business, attitude, future trend, career planning, etc.
Build relationship with mentors
09/2009 - 08/2011
Training Evaluator, Caption Department of Defense
Evaluate the tactical performances of annual anti-air artillery troop training, including MADS (patriot), HAWK, Sky-Bow units
Member of firing practice advising council
07/2004 - 08/2009
Vice battery commander, Caption Department of Defence
Make annual training plan for battery
Mentor junior cadres, giving leading advices
Coordinate conflicts between or within platoons
Audit the results, taking necessary steps to correct
07/2001 - 06/2004
Platoon Leader, Lieutenant Department of Defense
Organise monthly plans for platoon training
Encourage staffs to achieve goals
Undertake outcomes and solve problems
Education
2014 - 2015
San Diego State University
MBA
2012 - 2014
National Central University
Information Management
1997 - 2001
R.O.C. Military Academy
Electrical and Electronics Engineering
Skill set
- C#.NET development
- T-SQL
- Vue.js
- Git
- Java
- and more...
Language
- Chinese — native speaker
- English — intermediate