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7+ years for development, including
    -  5+ years for fullstack development with Java.
    -  2 year for backend development with Golang.
    -  2 year for backend development with Python
    -  1 year as team leader.

2 years for data analysis.
    - Design ETL script for data preprocessing with T-SQL or Python.
    - Derived data visualization report with C3.js or powerBI.

Experience in applying Deloitte Global Tech Operation Model to migrate and integrate with various Cloud Services.

Participate in system security certification for audit tools, including SAST and security vulnerability assessment and  remediation.

Experience in system performance optimization.


Chung Yuan Christian University 

senior software engineer

鄭愷

Loc Weibo Co., Ltd

Backend Engineer

Finmaster, an SaaS which providing information about stock market.
- Participate system development with Python and Golang in microservice practice.
- Optimize performance with python multithread, improve system throughput up to 5 times.
- Integrate different service in Docker Compose, to reduce steps when deploying.
- Applying Deloitte Global Tech Operation Model to migrate and integrate with various Cloud Services.

台灣台北市

Business Strategy Advisory
-  Provide strategy advisory for content creator, and planning products (streaming app) according to the strategy.
-  Build up sales funnel by design different type contents for target audiences, and establish user-friendly price and payment channels.

Architecture Design and Implementation
-  Built scalable API for streaming app with Golang, Docker, and cloud service.
-  Implemented access control with firebase SMS authentication and JWT.
-  Planning to Integrate Cloudfront as CDN and access control for storage.
-  Responsible for recruiting and management for contractor in frontend mobile app development.

Freelancer

Senior Software Engineer

My D.Life app, an internal using mobile app for Deloitte Taiwan employee.
- Designed the flexible API for apps.
- Responsible for ensuring verification and feasibility of concepts by designing module with
program and testing data.
- Improved CI/CD process on TFS for testing and production environment.
- Setting scheduled milestone for team members.
- Providing Consulting service for junior engineer.

NewFR, an audit tool (in distributed system practice) for Deloitte Taiwan employee.
- Develop distributed system with simultaneously 1000+ active user in ReactJS, Java and RMI.
- Implement performance optimization with mechanism such as memory hierarchy and thread pool, make system throughput up to 8 times.

Jeta, an audit tool (in distributed system practice) for Deloitte Taiwan employee.
- Gathered requirements from users and DFD to make the operation more approachable.
- Developed new features with ReactJS, Java and RMI.
- Designed ETL script with Java, and T-SQL for normalization accounting documents from different clients.
- Derived analysis chart with C3.js or powerBI.
- Conducted security vulnerability assessment and remediation, be the contact person for
Deloitte SVCS India Pvt Ltd, and assist to perform Penetration Testing.

Deloitte & Touche

· System development and maintenance.
· Requirements evaluation.


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