張育誠 (Chang Yu Chen)
Taipei, Taiwan
Mandarin , English
I am a professional software developer with over 7 years of experience and a B.S. degree in Computer Science.
Proficient in C#, TypeScript, and Python.
Skilled in Asp.Net, Django/FastAPI, and Node.js.
Strong problem-solving, system design, and learning skills.
I excel at working in teams and have experience as a team manager. I possess strong collaborative and communication abilities, as well as extensive cross-group coordination skills.
Experience
Senior Backend Developer
Pinkoi • Feb. 2023 - Current
Senior Backend Developer
KooBits • Apr. 2022 - Aug. 2022
- Introduced Unit Testing into two services and enabled Test-Driven Development.
- Implemented the Unit of Work pattern to address issues with excessive database connection usage.
- Integrated GitHub Actions to enable CI/CD after creating a pull request.
Software Team Lead
PIXIS • Mar. 2019 - Mar. 2022
- Led product development within the team for a comprehensive solution of Network Access Control, IPAM, and Device Discovery.
- Dockerized the product, reducing network probe software IP occupancy by 45%.
- Introduced HAProxy and Redis to enable high availability characteristics for the product.
- Separated the frontend and backend, introducing a JS framework (Vue.js) and modern software architecture to expedite development time.
- Transitioned from .Net Framework to .Net Core, enhancing both the product's performance and security.
- Built a new Custom Report feature, providing users with the ability to create various reports.
- Managed support of 802.1x dynamic VLAN assignment and strengthened product competitiveness.
- Optimized loading performance and increased concurrent usage by 30% every 30 minutes.
- Created a CI/CD pipeline, which shortened the product development life cycle.
Senior Software Engineer
Macronix International Co., Ltd • Feb. 2016 - Mar. 2019
- Designed and improved automation software for semiconductor equipment.
- Independently developed 15 Equipment Automation Programs (EAPs) from the ground up, enabling automatic product measurement and report-data upload.
- Managed and implemented proofs of concept (POCs) for 9 EAPs to automate equipment recipe selection and production.
- Enhanced 54 EAPs based on user demands.
- Developed a Dynamic Calculation system, allowing users to create their own calculation formulas.
- Constructed a new system enabling the Manufacturing Department to collect and control all factory equipment information in real-time.
Firmware Developer (Intern)
Whetron Electronics Co., Ltd. • Jul. 2014 - Jul. 2015
- Developed and maintained firmware for parking sensors.
- Constructed and implemented testing tools for products.
- Built a new testing tool for smart keys, facilitating quicker and more precise product testing execution by operators.
Education
I-SHOU University (ISU)
Computer Science and Information Engineering
B.S , 2016
Skill
Programming Language
- C# .Net
- Python
- TypeScript (JavaScript)
Programming Ability
- RESTful API Design
- OOD / Design Pattern
- System Design
Framework
- Backend
- ASP.NET Core
- Node.js
- Django/FastAPI
- Frontend
- Vue.js
- React.js
- ORM
- Entity Framework
- Dapper
- UnitTest
- XUnit
- Mocha/Jest
- Pytest
Domain Knowledge
- Network Protocol
- TCP/IP
- ARP
- SNMP
- 802.1Q
- 802.1X
- Authentication/Authorization
- OAuth2
- OpenId Connect
- Container
- Docker
- Docker-Compose
- MACVLAN
Tools
- Database
- SQL Server
- MySQL
- Redis
- MongoDB
- Network
- Wireshark
- Tcpdump
- Nmap
- CI/CD
- Azure DevOps
- Github Action
