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6-10 years
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More than 15 years
Avatar of Dennis Chen.
Avatar of Dennis Chen.
Past
Developer @Self Development Project
2022 ~ 2023
Front-End / Back-End / Full Stack Web Developer
Within one month
Dennis Chen I am actively seeking full-remote job opportunities. With over 23 years of experience in software & solution design and development, I possess the expertise to build software and applications from the ground up. My proficiency includes Java, J2EE, Spring, Restful/OpenAPI, HTML/CSS, Javascript/Typescript, ReactJs, Middleware Layer, Data Access Layer, RDB, Queue, Containerization and Virtualization. * Recent Skills: Design and development of React/Typescript applications, RestAPI/OpenAPI design and development with code generation, Microservice design and development using Java and Spring Boot, Integration experience with OpenStack, Kubernetes, and HPC * Career
Java
Typescript
React.js
Unemployed
Ready to interview
Full-time / Interested in working remotely
More than 15 years
National Yunlin University of Science and Technology
Computer Science & Information Engineering
Avatar of the user.
Senior Software Engineer
More than one year
Python
Django
django rest framework
Ready to interview
Part-time / Interested in working remotely
6-10 years
university institute of technology
computer science
Avatar of 黃智群.
Avatar of 黃智群.
Past
java後端工程師 @丹井生物科技股份有限公司
2021 ~ 2023
JAVA軟體工程師
Within one month
黃智群 HUANG CHIH-CHUN 出生日期 :個性 : 我是黃智群,出生在一個活潑開放的家庭,個性好相處,做事積極且熱心。在求學期間擔任班代或社團中的要職,因喜歡接觸人群,出社會後也是去挑戰有關業務類型的工作。處理事情時,習慣準備完善再行動。譬如之前
JavaScript
jQuery
Java
Unemployed
Open to opportunities
Full-time / Interested in working remotely
4-6 years
義守大學
資訊工程
Avatar of Julian Springaux.
Front-end developer
More than one year
OctPresent Webapps and websites development & design with Vue.js , Ember.js and Wordpress . UI/UX and front-end technical guidance . Swissquote, SepSep 2015 Specifications , monitoring and validation of the technical aspects of web projects. Front-end development , design and integration of websites and web applications (using Drupal and J2EE). Working closely with partner agencies. Alstom Power, OctSep 2012 Development of an intranet web application which has improved Alstom’s Power Hydro in house software management. Use of several languages including PHP , MySQL, JavaScript , jQuery, jQueryUI, AJAX, XML, flash, HTML5 and CSS3
vue.js
HTML5
CSS3
Open to opportunities
Full-time / Interested in working remotely
4-6 years
Oxford Brookes University
Computer science
Avatar of 楊正傑.
Avatar of 楊正傑.
資深軟體工程師 @如如研創
2016 ~ 2023
資深軟體工程師、後端工程師
Within two months
哥大客服系統/催收系統...等 學歷慈濟大學 Tzu Chi University 醫學資訊私立南台科技大學 資訊管理國立聯合大學 National United University 電子工程計算機組 技能 J2SE J2EE Spring Boot JQuery Mobile Bootstrap MsSQL / MySQL MariaDB Redis Git Jenkins Highcharts Aspose javascript/jquery C# Servlet / JSP / JSTL / EL Java Swing 語言 Chinese — 母語或雙語 English — 中階
J2SE J2EE
Spring Boot
JQuery Mobile
Employed
Not open to opportunities
Full-time / Interested in working remotely
More than 15 years
慈濟大學 Tzu Chi University
醫學資訊
Avatar of HsiangHao Kang.
Offline
Avatar of HsiangHao Kang.
Offline
Backend Developer @InSynerger Technology Co., Ltd.
2018 ~ 2021
Senior Backend Developer
Within one month
HsiangHao Kang Senior Backend Developer 城市,TW [email protected] 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, 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
JAVA
Spring Boot
Spring Framework
Full-time / Not interested in working remotely
4-6 years
National Taiwan University of Science and Technology
Information management, Computer Vision Lab
Avatar of Toni Hyatt.
Avatar of Toni Hyatt.
Past
Full Stack Web Developer @深橋 (Deep Codify)
2019 ~ 2022
Senior Full Stack Developer
More than one year
stack developer, I took part in 10+ projects including WebRTC, social, and eCommerce web applications using modern JavaScript and TypeScript. -Also, I developed several RESTful APIs using JavaScript, Typescript, and especially Nodejs. Expertise in design and development of various web and enterprise-level applications using Java/J2EE. - As an experienced frontend developer, I took part in building large-scale websites using React.js and web3.js to interact with NFT marketplaces, DEX exchanges and lending protocols. Also, I was responsible for writing smart contracts using Solidity and Rust, deploying them to various
React.js
Node.js / Express.js
Next.js
Unemployed
Full-time / Remote Only
4-6 years
Singapore Institute of Technology
Computer Science
Avatar of Muneeb Ahmed.
Avatar of Muneeb Ahmed.
Senior Mobile App Developer @Turing
2020 ~ 2022
Senior iOS Developer
More than one year
Muneeb Ahmed Anwar Experienced mobile and web app developer with an overall 9 years of development experience. Developing native iOS Apps for the last 9 years. Loves to write code in Swift. Also love to learn new technologies. Familiar with various tools and technologies including (but not limited to) Swift, Objective-C, Kotlin Multiplatform Mobile (KMM), Flutter, Java, J2EE, Javascript, C# and NodeJS. Core Competency: Native iOS App Development (Swift and Objective-C) Also experienced in Firebase, Cloud Functions, Android App Development, Cross-Platform app development (Flutter), Web Development (J2EE), and MySQL Senior iOS
obj-c
Firebase
ios development
Employed
Full-time / Remote Only
6-10 years
National University of Sciences and Technology (NUST), Pakistan
MS Information Technology
Avatar of the user.
Avatar of the user.
Past
Senior Software Architect @Collabera Philippines
Principal Software Architect / Senior Software Architect
More than one year
Core Java
Java EE
Software Architecture
Unemployed
Full-time / Not interested in working remotely
More than 15 years
Sri Revana Siddeshwara Institute of Technology, Bengaluru, India
Bachelor of Engineering (Information Science and Engineering)
Avatar of the user.
Avatar of the user.
Senior Backend Engineer @Backbase
2022 ~ Present
Advance Software Engineer
More than one year
Java
Spring Framework
Spring Boot
Employed
Not open to opportunities
Full-time / Remote Only
6-10 years
Savitribai Phule Pune University
M.E. Computer Engineering in Computer Network

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Within one month
web backend engineer
InSynerger Technology Co., Ltd.
2018 ~ 2021
台灣台北縣
Professional Background
Current status
Job Search Progress
Professions
Back-end Engineer
Fields of Employment
Software
Work experience
4-6 years
Management
Skills
JAVA
Spring Boot
Spring Framework
Spring Data
spring cloud
Junits/Mockito
Kafka
Linux
Swagger API
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
Print
Ooopdhgxmh0fof21jcyp

HsiangHao Kang   

Senior Backend Developer
城市,TW
[email protected]

+886 9300-18522

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.
Global Open-API data migration from MongoDB to MySQL
  • 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.
Resume
Profile
Ooopdhgxmh0fof21jcyp

HsiangHao Kang   

Senior Backend Developer
城市,TW
[email protected]

+886 9300-18522

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.
Global Open-API data migration from MongoDB to MySQL
  • 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.