Dan Liu
Software Engineer
Summary
* An experienced web developer who is motivated to learn and obtain new skills and knowledge in the industry. Making good use of my passion for problem-solving and building applications.
Key Qualities :
* Highly intuitive problem-solving skills with the ability to follow through and resolve issues in a timely manner.
* Extremely motivated to learn and able to pick up concepts quickly.
* Self-directed and well organized.
* Very proficient in English and Mandarin, with strong communication, writing, and interpersonal skills.
* Experienced team player with history of delivering projects with hard deadlines.
Xfers
The University of British ColumbiaTaipei, Taiwan
Professional Background
Current status
Employed
Profession
Back-end Engineer・Software Engineer・PHP Developer
Fields
Software・E-Commerce・FinTech / InsurTech
Work experience
10-15 years (10-15 years relevant)
Management
I've had experience in managing 10-15 people
Skills
PHPJavaScriptjQueryHTML + CSSMySQLRedisElasticSearchRuby on RailsYii FrameworkCodeIgniterSlim FrameworkAWSCloudFlareKubernetes/DockerGit
Languages
English・Native or Bilingual
Chinese・Native or Bilingual
Highest level of education
Bachelor
Job search preferences
Desired job type
Full time・Not interested in working remotely
Desired positions
Software Engineer
Desired work locations
台灣台北市・Canada
Freelance
-
Work Experience
Tech Lead
Xfers・Full-Time
January 2022 - Present1 yr6 mos
* Lead Backend Core Team by giving technical advice, and also act as Scrum Master * Planned and executed the moving of the monolith codebase to microservices for the StraitsX backendSenior Backend Engineer
July 2021 - December 20216 mos
* Piloted and implemented the XIDR stable coin product * Collaborated with Blockchain Infra team to make XIDR happen * On-call responsibility to resolve any Ad-hoc issuesInfra/DevOps Engineer
December 2019 - June 20211 yr7 mos
* Managed Kubernetes clusters and applications with AWS EKS, ECR, S3, CloudFront, Route 53, Nginx Ingress Controller, SSM Parameter Store * Improved and extended the Continuous Delivery pipeline (in-house Python tool / Helm) * Created Continuous Integration tests and Continuous Delivery pipelines with CircleCI * Created Infrastructure-As-Code with Helm, Terraform, Ansible, GitHub * Set up ECS instances, VPC, and VPN connections in AliCloud with Terraform * Optimized Docker images' sizes and deployment speed with multi-stage builds and layer caching * Setup Zilliqa & Ethereum node and worked closely with stablecoin team to launch the blockchain microservice * Planned and executed the enablement of AWS RDS encryption at rest * Planned/tested/executed MySql8 upgrade fro MySql 5.6 * Brought up database dump with sanitization and restore from production to staging using Airflow * Upgrade EKS clusters to use the newest base OS for security measures
Principal Backend Engineer
February 2016 - May 20193 yrs4 mos
* Principal Developer for all APIs and administrator features * Complete knowledge of the entire data flow for https://www.pcone.com.tw * Write API documentation for frontend/app developers to use * Implement e-commerce site search with ElasticSearch * AWS: EC2, ELB, RDS, SQS, S3, and ElasticCache
Technical Manager
September 2014 - February 20161 yr6 mos
* Manage the core engineering team * Define cross-team collaboration processes * Technical architecture design, review, and implementation on projects across the company. * Define processes of continuous integration, unit testing, and deployment * Promote programming best practices in areas of performance, security, and scalability * Technical interviews for engineer candidates * Worked on a government project uses our points system to reward environmental friendly use of public transportations * Used and modified Magento platform to create multi-store sites where you can use reward points from banks to buy products * Maintain legacy projects
Software Engineer
April 2014 - September 20146 mos
* Fine-tune the existing mailing application for faster performance. (http://www.flydove.net/) * Optimized SQL queries and MySQL database for faster performance * Re-wrote code to achieve maximized mail sending speed * Lead developer in creating waca, a personalized online store for all users (http://www.waca.net/)
Software Engineer
May 2012 - April 20142 yrs0 mos
* Developed and maintained 2 web applications: www.nvesto.com & www.ishelly.com. * Used the Yii framework * Built a native iPhone app for iShelly (Objective-C) * Worked on RD projects including frontend and backend performance tuning
Technical Manager
February 2010 - April 20122 yrs3 mos
* Lead a team of eight engineers in developing numerous web applications and maintaining the system ( http://www.groupon.com.tw ) * RD Projects included tuning slowqueries and SEO * On call duty for website/system emergencies * Implemented Groupon Taiwan's E-Invoice Solution * Implemented two travel portals, one tech portal, and one hotspot portal for Yahoo Taiwan * Implemented AB Testing feature to see which version of the website is more appealing to users * Coded numerous web applications and games for the Atlaspost social network
Software Engineer
Dimension Computer Technology Co, Ltd
July 2006 - August 20082 yrs2 mos
* Implemented the company's payroll solution * Implemented the Chemical Management Solution for a Textile Research Institute * Redesigned the UI for the Employee Account Management System * Expanded the company’s Employee Account Management System (originally on the Lotus Notes platform) onto the web via XOOPS * Hosted code review sessions and tutorials for new ERP system
