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A robot that can operate multiple game instances, developed by using Golang, Fyne, and Win32 API.

Game Bot

Backend Engineer

Jing-yang Peng

• 5.5 years of software development experience, specializing in backend development
• Over 3 years of experience in Java development, following the Clean Architecture principles
• Experience with GCP, GitOps, Kubernetes, and Docker
• Experience with several programming languages, including JS, Python, and Go
• Open-minded and enthusiastic about learning new things and technologies, with a strong thirst for knowledge

Fu Jen Catholic University

Cherri Tech Inc.

Senior Java Backend Engineer

While working at Cherri Tech, I focused on TapPay, a Payment Gateway solution. It offers multiple payment options and provides a seamless payment experience. In 2021, the product processed transactions exceeding 50 billion NTD.

Here are some of the responsibilities and tasks I undertook in this role:

• Developed Payment Gateway services using Spring Boot
• Wrote test cases with JUnit, Mockito, and PowerMock to ensure code quality
• Conducted code reviews with colleagues to maintain software quality standards
• Troubleshot and resolved field issues faced by customers

台灣台北市

• Utilized KeystoneJS 5, Draft.js, Node.js, React.js, PostgreSQL, and GraphQL to develop customized functions in a newly upgraded CMS
• Developed Python schedulers
• Maintained READr service using Go and Gin
• Achieved optimization of the search engine for a media website by refactoring Python data feed and using an Elasticsearch cluster
• Managed CI/CD for all services using Kubernetes, Helm, Flux CD, Drone CI, and Docker
• Managed GCP and Nginx configuration

Mirror Media

Cathay United Bank (5 months):
• Utilized Spring Boot to develop APIs

BEANGO CO., LTD. (1 months):
• Developed a RESTful API using Java, Play Framework, Apache Kafka, and Hazelcast
• Set up infrastructure for the test environment, including Kafka Cluster, MongoDB Replica Set, MySQL, and Mcrouter

Hanlin(Contract)

• Participated in the development of various web-based B2B SaaS applications, such as Online Fitness Course Booking, POS Management, and Payment Gateway Reporting/Dashboard
• Maintained a central authentication service (CAS) based on OAuth2.0
• Followed Clean Architecture principles to develop clean, readable, open-to-extend, close-to-modify, and testable modules
• Worked in agile methodology during the software development life cycle (SDLC) process
• Involved in data modeling and schema design, ensuring at least 3NF
• Achieved optimization of API performance by using Java concurrency classes, tuning SQL statements, and refactoring
• Actively participated in tracking and resolving product issues
• Wrote test cases using JUnit
• Technologies used include Java 8, Play framework, EC2, RDS, SES, Memcached, S3, Intellij IDEA, git, MySQL, MongoDB, Firebase, Swagger, Docker, Jenkins, JUnit, EBean, JPA, and Flyway

NewPOS Tech. Corp.

Senior Backend Engineer

Data Management Platform:
• Collaborated with the data team to design and develop RESTful serverless APIs for a real-time statistics/visualization dashboard
• Utilized Node.js, Serverless Framework, AWS Lambda, AWS API Gateway, AWS RDS, and MySQL
• Continuously optimized API performance with SQL tunings and Async module, resulting in an average response time reduction of at least 40%
• Designed and implemented an early workflow for clickstream data collection of websites using GTM, JavaScript, and PHP

Other Works:
• Developed a shopping-cart application using Swift and Storyboard
• Modified a slot machine game made with Cocos2d
• Created simple and robust tracking SDKs in Objective-C and Swift as a proof-of-concept
• Provided technical support for tracking SDKs to advertising clients
• Developed web services using PHP, Laravel, and MongoDB

Other Specialties:
• Biweekly study subjects included ML algorithms, Kaggle competitions, SQL tuning, French, etc.

urAD Co., Ltd.

Applications Engineer

• Developed native iOS applications compatible with iOS 7.* using Objective-C and Storyboard. Familiar with Auto Resizing, Cocoa Touch, UIKit, GCD, and Instruments (Leaks and Allocations)
• Integrated the applications with C-based filesystem and UDP/IP socket networking to perform efficient and reliable remote file access (RFA)
• Improved the functionalities of a third-party C-based filesystem
• Designed and implemented RESTful APIs using Java Servlet
• Published two apps: WiFi@SDCF and WIFI-ShareDisk