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Tse-Han Wu (John Wu)
3F., No.7, Aly. 10, Ln. 323, Da’an Rd.
Shulin Dist., New Taipei City 238, Taiwan
+886-911-598-325 dragonjohn.tw@gmail.com
Resume objective
10+ years of experience on software and service development and enthusiasm on AWS cloud service architecture design and implementation with high availability, scalability and fault tolerant
SKILLS
● Java ● Python ● AWS (50+ services) ● Git ● GitHub ● CircleCI ● Jira ● Docker ● Jenkins ● Slack
PROFESSIONAL EXPERIENCE
PayPay Corp. (Japan)
07/2021 - present| Backend Software engineer
Built scalable backend services for online/offline merchant payment flow to serve 60M+ users with around 9M daily transaction in Japan
Lead, design and managed multiple external payment company integration projects
Trend Micro (Taiwan)
09/2014 - 06/2021| Senior Software engineer
Established Security Analysis Engine streaming service infrastructure by configuring VPC, running flink on EMR, consuming streaming data via Kinesis, forwarding logs to S3 and Elasticsaerch Service via Lambda, sending alert message from API server on ECS Fargate, etc. to process average one million event logs per second from 1.8k customers with 650k endpoints
Created and maintained fully automated CI/CD pipeline for code deployment with GitHub, AWS CloudFormation and CircleCI
Handled service health dashboard for real-time monitoring resource utilization and throughput status through Grafana run in front of Prometheus, Elasticsearch and CloudWatch
Designed and implemented secure bastion practice and Session manager for storing audit log, implemented Cloud Conformity and enabled AWS Config for securing backend infrastructure, integrated 2FA on Elasticsearch and IAM permission control to fulfill ISO 27001 compliance
Devised AWS serverless restful services – GCL web service and Vendor database service with 10+ AWS services (Lambda, ElastiCache, RDS, S3, etc.) for handling 2 million query per day
Built up IoT device management portal website by Django framework and Bootstrap to collect and display devices information and vulnerabilities, enhanced IoT web service restful API which developed by Java related framework for enhancing secure home network product
Developed file scanning web service in python falcon framework and deployed service via docker container to integrate into batch file scanning service for malicious file detection
Developed Java based restful services and tools for checking files status in whitelist process and good file checking process to prevent false alarm on malicious file detection
Sophisticated in cross country teamwork with overseas members, well communication skill on project cooperation, technical sharing and hosting events
International Integrated Systems, Inc. (Taiwan)
08/2011 – 07/2014| Software Engineer
Built websites, restful API services and software for government and banks
Established Java-based (Spring, Hibernate, JSTL) website with tomcat server, Microsoft SQL and Oracle DB server and designed front-end UI on multiple web application
Site Project - MMSCatchCha
Parsed website, grabbed media source and developed Android stream launcher application in Java
Resolved website syntax and downloaded media stream by using Python in Ubuntu OS
Made self commercial film to promote app as an advertisement
EDUCATION
National Central University
2009 – 2011| Master of Science, Computer Science and Information Engineering| GPA: 3.86
Relevant Coursework: Mobile Computing, Distributed Systems, The Attack and Defense of Computers, Computational Intelligence, Data-Warehousing and Knowledge Base, Creative Learning
Used creative methodology in Knowledge System Lab to promote motivated learning
Published three papers including one journal paper and two conference papers:
“The success of ePortfolio-based programming learning style diagnosis: Exploring the role of a heuristic fuzzy knowledge fusion”
“Using situated learning with peer competition to enhance students’ learning motivation in virtual worlds”
“An investigation of students’ intention toward competence-based course selection – a case study of green literacy cultivation”
Fu Jen Catholic University
2005 – 2009| Bachelor of Science, Computer Science and Information Engineering| GPA: 3.61
Relevant Coursework: Programming Language, Operation System, Algorithm, Data Structure, Linux kernel Development, Computer Networks, Web Foundation, Web 2.0, Software Engineering, Data Mining, Digital System Design, Assembly Language
Activities:
Vice President of the Student Association of Department of Computer Science and Information Engineering, 2007-2008
Member of the Student Association of College of Science and Engineering, 2007-2008
Member of NISRA (Network and Information Security Research Association), 2006-present
The leader of 4 members’ team for monograph project - Social Health Space, 2008
HONORS
The greatest honor for a department - Phi Tau Phi Honorary Member, in Fu Jen Catholic University 2009 and National Central University 2011
Championship for Monograph, CSIE Fu Jen Catholic University, 2008
Presidential Award, number one for entire semester in class while studying in CSIE Fu Jen Catholic University, 2006-2009
Fourth Place for Information Security and Technology Contest, Takming University of Science and Technology, 2008
INTERESTS
Technology, English, Japanese, Hangukmal, video making, traveling, basketball, fitness, latte art