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On
4-6 years
6-10 years
10-15 years
More than 15 years
Past
Senior Backend Engineer @Freelance, self-employed2021 ~ Present
・
Backend engineer
Within one month
Unemployed
・
Ready to interview
Full-time / Interested in working remotely
6-10 years
Shih Hsin University
・
Information ManagementWeb Team Lead @Canner （易開科技）2023 ~ 2024
・
Senior 後端工程師、技術主管、技術顧問、架構師
Within one month
Employed
・
Open to opportunities
Full-time / Interested in working remotely
4-6 years
國立臺北科技大學
・
資訊工程研究所
iOS and Android App Developer @皆凱科技有限公司2023 ~ 2024
・
資深主任工程師
Within one month
吳少華 • 13 years of experience in the iOS and Android fields • Experience in implementing chat rooms for thousands of users • Experience in video streaming and modifying cross-platform video player for streaming • Experience in implementing e-books and Bluetooth features • Excellent problem-solving skills • Extensive experience in object-oriented application design with low-coupling architecture • Strong capabilities in custom UI implementation Staff Engineer 城市，TW [email protected] 工作經歷 皆凱科技有限公司, iOS and Android App Developer, Sep 2023 ~ Feb 2024 Android Demo: https://www
Employed
Full-time / Interested in working remotely
10-15 years
中正大學
・
電機工程研究所
Offline
Offline
Backend Developer @InSynerger Technology Co., Ltd.2018 ~ 2021
・
Senior Backend Developer
Within one month
. Backend Developer, July 2021 ~Present Develop and maintain Item and shipment APIs (Item/Product/Inventory/Category/ImageResources/Shipping/FamilyMart/..) and handle DevOps for Rakuten Taiwan projects, collaborating with team members from Japan, China, and India. FileManagement API Rakuten Cloud Object Storage and DB migration Refactor and migrate the file management api from NAS to Rakuten Cloud object storage. Develop the file migration tool with a thread pool to simultaneously migrate over 3 terabytes of files for all of Rakuten TW's shops. Initiate a discussion with the
Full-time / Not interested in working remotely
4-6 years
National Taiwan University of Science and Technology
・
Information management, Computer Vision Lab
Past
Software Engineer @FIT Foxconn Interconnect Technology2019 ~ 2022
・
Software Engineer
Within six months
including distribution systems knowledge and implementation. What I did during this job gap: Leetcode: I’ve prepared data structures and algorithms with python 540+ more problems on Leetcode and recently participated in weekly contests when I was available.And most of the time I can solve three out of four problems during the contest. Educative. Io Prepared System Design, object oriented Design and reviewed Javascript, Node.JS ,C++,Docker, Kubernets, AWS. What’s next : I wanted to join a relatively more trendy tech stack software company in Taiwan or abroad.
Unemployed
Full-time / Interested in working remotely
4-6 years
National Taipei University of Nursing and Health Science
・
Information Management
Architect @Magic Softwares2021 ~ Present
・
Lead Engineer
More than one year
. Looking to replace native apps with PWA. Inclined towards CI/CD, UX process too. Noida, Uttar Pradesh, [email protected] UI Architect • Magic Softwares MayPresent Designing & Developing dynamic UI for building web pages with simple drag and drop. Development of component library & then design system with a pattern library. Complete revamp of all web pages following the complete UX/UI design process. Communicating with all the customers and stakeholders. Setting up coding standards, building pipelines, developer experience. Complete ownership in building a UI engineering team. Tech Stack
Full-time / Interested in working remotely
10-15 years
U.P. Technical University
・
Master of Computer ApplicaOonTechnical Lead @MoEngage Inc2020 ~ Present
・
Technical Lead
More than one year
Employed
Full-time / Interested in working remotely
6-10 years
Indian Institute of Technology Hyderabad
・
Computer Science and Engineering
技術長 @宏麗股份有限公司2017 ~ Present
・
軟體工程師
More than one year
on RPi and can be viewed on browser( Demo ). C++ Engineer @ Dayen Tech, Oct 2012 ~ Mar 2014 Responsibilities : Backend Development, Image Processing, Research Stack : C/C++, Qt Tools : Qt National Central University, FPGA TA, Jun 2009 ~ Jun 2010 Teach assistant of Digital System Design (FPGA) course in graduate institute of National Central University. Skills Basics Object Oriented Design, Clean Architecture, Design patterns, Agile Methodology, Scrum, BDD, TDD, REST, Unix/Linux, Computer Networks, TCP/IP, SQL, Testing. Languages JavaScript, Swift, C/C++, Java, Kotlin Platforms/Frameworks
Full-time / Interested in working remotely
6-10 years
國立中央大學
・
電機工程學系
iOS Developer @YOPESO2015 ~ 2017
・
iOS Engineer
More than one year
service application using SocketIO and Google Maps technologies Skills iOS I have experience in all stages of iOS development, from setting up a new project, to managing distributions and certificates. I'm proficient in Swift, using it for more than 4 years, but also comfortable with Objective C. Object-Oriented Design I have a good understanding of OO principles and did architect multiple projects and features as a team lead. Also, have experience writing FP and RFP code. Continuous Integration I maintained and improved CI/CD for the team. I'm familiar with Jenkins
Full-time / Not interested in working remotely
4-6 years
Moldova State University
・
Information Technologies
Within one month
PHAN THANH HAO Web Developer Developer with six years of experience in developing web applications. I have good knowledge of object-oriented, database design, and design patterns. Additionally, I have experience in working directly with Foreigner Developers as well| [email protected] Technologies PHP (Laravel) Javascript Bitbucket, GitLab Jira, Confluence OAuth, RESTful, Swagger, Sentry Work Experience Senior PHP Developer • SiliconStack Pty Ltd Junpresent Project: Carbar (Australia company) Carbar is the Australia's first and leading car subscription service, providing an alternative to car ownership with flexibility and commitment-free benefits. Tech stack: Laravel, MySQL, Jquery
Unemployed
・
Ready to interview
Full-time / Interested in working remotely
6-10 years
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Problem-Solving
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Adaptability
Ability to navigate unexpected situations; and keep up with shifting priorities, projects, clients, and technology.
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Professional Background
Current status
Job Search Progress
Professions
Back-end Engineer
Fields of Employment
Software
Work experience
4-6 years
Management
Skills
Languages
English
・
Fluent
Japanese
・
Beginner
Job search preferences
Positions
Senior Backend Developer
Job types
Full-time
Locations
台灣台北
Remote
Not interested in working remotely
Freelance
Educations
School
National Taiwan University of Science and Technology
Major
Information management, Computer Vision Lab
Education
Taiwan University of Science and Technology（MS）Information management & Computer Vision Lab, Sep 2012 ~ July 2014
National Kaohsiung University of Applied Sciences（BS）Electronic Engineering, Sep 2008 ~ Jul 2012
Skill
Web Application:
Java/J2EE, Spring Boot, Spring5
SQL: MySQL, PostgreSQL, MongoDB
MessageQueue: RabbitMQ
Others: Docker, Jenkins, JUnit5, Spring Batch, Microservices, JMeter
TOEIC Listening & Reading Test ( Sept. 2019)
740 , Listening: 415 , Reading: 325
Experience
Rakuten Group, Inc. Backend Developer, July 2021 ~Present
Develop and maintain Item and shipment APIs (Item/Product/Inventory/Category/ImageResources/Shipping/FamilyMart/..) and handle DevOps for Rakuten Taiwan projects, collaborating with team members from Japan, China, and India.
FileManagement API Rakuten Cloud Object Storage and DB migration
- Refactor and migrate the file management api from NAS to Rakuten Cloud object storage.
- Develop the file migration tool with a thread pool to simultaneously migrate over 3 terabytes of files for all of
Rakuten TW's shops. - Initiate a discussion with the system engineer and backend leader to plan the file migration process, ensuring zero downtime and no data loss.
- Reduce the annual budget to approximately one-tenth of its current amount.
- Memory profiling with JMS and running stress tests with JMeter.
FamilyMart B2C project
- FamilyMartB2C as a new shipment option on the Rakuten e-commerce platform that empowers merchants to ship batches of products to distribution centers, ensuring faster delivery process for top merchants to ship their products.
- Design and implement a new Batch service for the new shipping method FamilyMart B2C in the Rakuten EC platform.
- Download shipping status files from FamilyMart's FTP server to update the shipping and order status on the Rakuten platform.
- Implement the deployment script for the Jenkins pipeline.
- Implement integration and unit tests to achieve a coverage rate of over 80% for quality assurance.
Resolve the database deadlock issue related to delete and re-insert operations
- Utilized SHOW ENGINE INNODB STATUS to analyze the database lock status for the READ COMMITTED transaction isolation level.
Shopping cart-revamp project
- Developed the new version Cart-API (Java and MySQL) to replace the legacy API (Ruby on Rails and NoSQL).
- Developed the Point handler business logic to calculate the Rakuten Super Point and shopper's Point Campaign.
Search Engine Feed project
- Develop the new version Search Engine Feed API (Java) to replace the legacy API (Ruby on Rails)
- Transform the data format from the relational database to search engine when the client updates shop/product/campaign information.
- Implement a full-shop feed to query all items within shops on the Rakuten platform in order to rebuild the search engine index.
- Implement a local cache for categories using a doubly tree data structure and read/write locks to retrieve tree paths instead of making repeated calls to the category API.
- Conduct a code review for colleagues and develop unit tests to achieve a test coverage rate of over 80% to ensure software quality.
- Developed data migration tool with spring-batch-partitioner
- Migrated 4 million records using multi-threading to reduce the processing time to approximately one-tenth of the original time (from 70 minutes to 7 minutes).
- Replaced the database from MongoDB with MySQL to speed up the API response time to reach 400 QPS.
InSynerger Technology Co., Ltd. Backend Developer, July 2018 ~ March 2021
Designed and implemented the SHARP Thailand IoT platform
- System Analysis and Design for SHARP Thailand's IoT application.
- Designed and implemented work order dispatch system and web-based production line dashboard application.
Designed and implemented a more light way Rule Engine System to replace the legacy system and Drools APIs
- Designed and implemented a Rule Engine using the Interpreter Pattern with postfix expressions and the Easy Rules library.
- Resolved a hierarchical and/or logic expression using stack data structure.
- Example: [(deviceA’s power > 100) and (deviceB’s current > 10)] or (deviceC’s voltage > 10).
Developed and maintained the streetlight IoT platform for Kaohsiung and Taoyuan city with 40000+ IoT devices
Developed a new Backend API to replace the legacy system from MVC Frameworks to pure APIs
- Reduced the number of database queries by over 50% compared to the legacy system.
PChome & Skype, Linktel Inc. Backend Developer, Aug 2016 ~ Nov 2017
- Developed and maintained the Skype official site purchase system.
- Refactored ten microservices of the Skype official site purchase system from Struts2 to Spring Boot.
ARPlanet Digital Technology Co.,Ltd. Backend Developer, Oct 2015 ~ Aug 2016
- Developed an image retrieval API for a mobile Augmented Reality app.
Education
Taiwan University of Science and Technology（MS）Information management & Computer Vision Lab, Sep 2012 ~ July 2014
National Kaohsiung University of Applied Sciences（BS）Electronic Engineering, Sep 2008 ~ Jul 2012
Skill
Web Application:
Java/J2EE, Spring Boot, Spring5
SQL: MySQL, PostgreSQL, MongoDB
MessageQueue: RabbitMQ
Others: Docker, Jenkins, JUnit5, Spring Batch, Microservices, JMeter
TOEIC Listening & Reading Test ( Sept. 2019)
740 , Listening: 415 , Reading: 325
Experience
Rakuten Group, Inc. Backend Developer, July 2021 ~Present
Develop and maintain Item and shipment APIs (Item/Product/Inventory/Category/ImageResources/Shipping/FamilyMart/..) and handle DevOps for Rakuten Taiwan projects, collaborating with team members from Japan, China, and India.
FileManagement API Rakuten Cloud Object Storage and DB migration
- Refactor and migrate the file management api from NAS to Rakuten Cloud object storage.
- Develop the file migration tool with a thread pool to simultaneously migrate over 3 terabytes of files for all of
Rakuten TW's shops. - Initiate a discussion with the system engineer and backend leader to plan the file migration process, ensuring zero downtime and no data loss.
- Reduce the annual budget to approximately one-tenth of its current amount.
- Memory profiling with JMS and running stress tests with JMeter.
FamilyMart B2C project
- FamilyMartB2C as a new shipment option on the Rakuten e-commerce platform that empowers merchants to ship batches of products to distribution centers, ensuring faster delivery process for top merchants to ship their products.
- Design and implement a new Batch service for the new shipping method FamilyMart B2C in the Rakuten EC platform.
- Download shipping status files from FamilyMart's FTP server to update the shipping and order status on the Rakuten platform.
- Implement the deployment script for the Jenkins pipeline.
- Implement integration and unit tests to achieve a coverage rate of over 80% for quality assurance.
Resolve the database deadlock issue related to delete and re-insert operations
- Utilized SHOW ENGINE INNODB STATUS to analyze the database lock status for the READ COMMITTED transaction isolation level.
Shopping cart-revamp project
- Developed the new version Cart-API (Java and MySQL) to replace the legacy API (Ruby on Rails and NoSQL).
- Developed the Point handler business logic to calculate the Rakuten Super Point and shopper's Point Campaign.
Search Engine Feed project
- Develop the new version Search Engine Feed API (Java) to replace the legacy API (Ruby on Rails)
- Transform the data format from the relational database to search engine when the client updates shop/product/campaign information.
- Implement a full-shop feed to query all items within shops on the Rakuten platform in order to rebuild the search engine index.
- Implement a local cache for categories using a doubly tree data structure and read/write locks to retrieve tree paths instead of making repeated calls to the category API.
- Conduct a code review for colleagues and develop unit tests to achieve a test coverage rate of over 80% to ensure software quality.
- Developed data migration tool with spring-batch-partitioner
- Migrated 4 million records using multi-threading to reduce the processing time to approximately one-tenth of the original time (from 70 minutes to 7 minutes).
- Replaced the database from MongoDB with MySQL to speed up the API response time to reach 400 QPS.
InSynerger Technology Co., Ltd. Backend Developer, July 2018 ~ March 2021
Designed and implemented the SHARP Thailand IoT platform
- System Analysis and Design for SHARP Thailand's IoT application.
- Designed and implemented work order dispatch system and web-based production line dashboard application.
Designed and implemented a more light way Rule Engine System to replace the legacy system and Drools APIs
- Designed and implemented a Rule Engine using the Interpreter Pattern with postfix expressions and the Easy Rules library.
- Resolved a hierarchical and/or logic expression using stack data structure.
- Example: [(deviceA’s power > 100) and (deviceB’s current > 10)] or (deviceC’s voltage > 10).
Developed and maintained the streetlight IoT platform for Kaohsiung and Taoyuan city with 40000+ IoT devices
Developed a new Backend API to replace the legacy system from MVC Frameworks to pure APIs
- Reduced the number of database queries by over 50% compared to the legacy system.
PChome & Skype, Linktel Inc. Backend Developer, Aug 2016 ~ Nov 2017
- Developed and maintained the Skype official site purchase system.
- Refactored ten microservices of the Skype official site purchase system from Struts2 to Spring Boot.
ARPlanet Digital Technology Co.,Ltd. Backend Developer, Oct 2015 ~ Aug 2016
- Developed an image retrieval API for a mobile Augmented Reality app.