robust token Bridges for frictionless asset transfers between blockchain networks and implemented Cross-Chain solutions. • Leveraged Web3.js and Ethers.js to establish seamless interaction between the React.js front-end and smart contract. • Constructed and integrated an internal back-end synchronized with the blockchain database, utilizing Node.js and Express.js. • Utilized GraphQL API to enhance communication performance between the front-end and back-end. • Managed the CI / CD solution for a development team using the CircleCI tool, Bitbucket, Github and AWS Lambda functions. Blockchain Developer • Defichain Value

Go’s powerful interfaces for modular and maintainable code design. Frameworks & Libraries : Deep understanding of popular Go frameworks and libraries such as Gin and echo for building RESTful services. Familiar with using Go’s testing package for thorough unit and integration tests to ensure reliability and performance. Database Management: Relational Databases : Skilled in managing MySQL databases, with a focus on optimizing database designs through efficient schema creation. Experienced in enhancing query performance using indexing strategies and ensuring data integrity via comprehensive transaction management mechanisms. NoSQL Databases : Extensive experience with NoSQL databases, especially MongoDB, leveraging its

Sep 2019 Hospital Information Mamagement Office Programmer, main work is Healthcare Information System(HIS) refactor, full stack developer - back-end： Javascript/Typescript + express + RESTful api - front-end： Framework AngularHTML - git flow(GitLab) - MSSQL(CRUD) and Informix(select data) + stored procedure International Integrated Systems(III), Programmer, Jul 2018 ~ Feb 2019 Outsourcing Companty work is maintain CWB's web - Use php (codeigniter2,3) - HTML + jQuery + CSS - Working in Linux OS - MSSQL、MYSQL database - Survey Jmeter Education National Dong Hwa University, Master, CSIE, 2015 ~ 2018 Takming University of Science and Technology, Department of information technology , 2011 ~ 2015

[email protected] Skills Python Program writing, implementation of crawlers and data cleaning operations. MongoDB Ability to build and maintain a distributed storage system, complete the implementation of Replica and Sharding architecture, be familiar with the use of Mongo shell, and write server-side javascript. MySQL Familiar with MySQL database usage, model design, SQL syntax optimization. PostgreSQL Familiar with PostgreSQL database usage, model design, SQL syntax optimization. Pandas Familiar with Pandas ETL operations and data visualization. Git F amiliar with using Git to manage code version control. with using Git to

Infotek Telesindo • MeiJuniMaintenance Hardware & Software - Troubleshoot Hardware & Software - Installation OS & Software Operator Komputer PNPM Mandiri Perdesaan - GSC • FebruariSeptemberReport Mingguan - Report Bulanan - Input Data by Sistem - Koordinasi Dengan Fasilitator Kecamatan Document Control PT Ciptakomunindo Pradipta • FebruariFebruariFiling Document Installasi BTS - Koordinasi Dengan Team Installasi - Pembuatan Dokumen ATP - Submit Dokumen Ke Vendor Pendidikan Universitas Kuningan Teknik InformatikaIPK 3.06 Training • Recruitment & Selection Professional (CRSP) at Freemind Consulting OktOkt 2019 • Top Grading – DISC – Plus32 Competency Analyst (CCA) at Freemind Consulting OktOkt 2019 Skil User Experience Ms Word Ms Excel Ms Power Point Internet Literate Networking MySql Databse PhpMyAdmin Language Bahasa Indonesia English Beginner

人生價值觀為【將心比心】。 後端 & DevOps工程師 城市，TW MBTI人格測試結果 Skill Programming Language back-end Node.js(Typescript) (Expert) Python (Familiar) Go (Familiar) front-end React.js (Familiar) HTML(Familiar) CSS (Beginner) Database MySQL (Familiar) PostgreSQL (Familiar) Redis (Beginner) MongoDB (Beginner) Others DevOps 1. Cloud AWS CloudFront Route53 RDS SES EC2 S3 ECR ECS Fargate Codepipeline Amplify WAF(Web ACLs) CloudWatch CloudTrail Trusted Advisor SDK Azure LB Terraform 2. Server Nginx Docker Tools Git /SourceTree(GUI) Git Flow Agile

Chiyuang Tseng Chiyuang [email protected] Skills Programming language: Go, Python, C++ Developing tool: Linux, Git, Docker, Kubernetes, Postman Databases: MySQL, Redis, MongoDB, Firestore, BigQuery Cloud: GCP(Kubernetes Engine, BigQuery, CloudSQL, Cloud Storage, Pub/Sub), AWS(SES, SNS) Others: Nginx, ELK stack, RESTful API, Swagger Experience FebDec 2023 Senior Software Engineer, iKala(CDP) OctJan 2023 Software Engineer, iKala(CDP) Designed and implemented an URL shortener for event tracking Designed and implemented IAM module of CDP Responsible for 3rd party API integrations, includes Google Ads, AWS SES&SNS, Newsleopard(email), MAAC(LINE messaging provider), and EVERY8D