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4 yrs+ Golang experience.
Familiar with Docker, Kubernetes
Familiar with unit test
Have Cloud experiences: AWS,  GCP
Have experience in back-end system construction and planning
Have experience in SQL, NoSQL
Have experience in CI/CD
Have experience in BlockChain service(ethereum).

國立雲林科技大學

Golang Developer  @ Binance

黃正文

Binance

Golang Developer 

1. Binance Smart Chain.
- Code review.
- CI/CD flow.
- Bug fixing and feature development.
- Monitor and maintain our running nodes.
- Response community issues.
- Setup and build test environment.
- Solution design and discussion.
2. Services of blockchain.
- RPC plant for BSC - make RPC services independent of blockchain nodes.
3. Research other blockchain solutions and implementations.

1. Built universal payment service gateway, provided a unified API interface for third party services.
- Use Golang, Redis, Message Queue, Relational Database, GraphQL to implement the service base on orchestration saga pattern.
- Use Golang, Redis, Relational Database, gRPC to implement risk control service.
- Use Golang, Relational Database, GraphQL to implement APIs for Backend management system.
- Wrote deployement config of services with kustomize.
- Use tsenart/vegeta tools for end-to-end stress testing.
- Conducted database schema migrations with  go-gormigrate/gormigrate.
2. Built Cryptocurrency Exchanges.
- Use Golang, gRPC, Kafka, PostgreSQL to implement content management service and user operation log service.
- Assisted to improve the performance of the analysis service that provided kline and trade data.
- Wrote deployement config of services with helm.
- Conducted database schema migrations with pressly/goose.
3. Discussed and designed infrastructure with team member.
4. Designed and integrated microservices.
5. Provided API Schema for the front-end team.
6, Wrote CI flow with GatLab-CI.
7. Built Dev environment with GKE, Google Cloud Function.

Silkrode (思華科技)

Golang Engineer

1. Maintained and monitored services deployed on AWS.
- Use EFK(Elastic Search + Fluent-bit + Kibana) to monitor service log.
- Use prometheus and grafana to monitor service resource usage.
- Use Terraform to write kafka deployment scripts.
- Use Fluent-bit to send the error log to the slack group.
- Wrote deployement config of services.
- Maintained the Kubernetes cluster on AWS.
2. Built backend service for IOS/Androd application.
- Use Golang, Mongodb to implement backend service.
- Use Swagger to provid RESTful API Doc..
3. Wrote CI/CD flow with Jenkins.
4. Built ChatOps flow on slack.
- Use Golang And React to implement sample Backend management system.
- Simple commands can be set to operate MongoDB and serial API through the configuration file.
- Provide command approval function.

Noodoe (拓連科技股份有限公司)

DevOps Engineer

1. Maintained and refactored the library automation system.
- Maintained a monolithic architecture system, using JAVA, Spring MVC, Tomcat, Hibernate, MSSQL.
- Participated in refactoring discussions.
- Participated in the back-end refactoring to use Spring Boot, Hibernate, MSSQL, GraphQL.
- Participated in the front-end refactoring to use React, Next.js, Apollo GraphQL.
- Use RabbitMQ to improve the performance of indexing when building a large number of books in the backend management system.
- Assisted customers in transferring data from the old system to the new system.
- Assisted in the integration of custom authentication systems (LDAP, SOAP).
- Assisted local service transfer to kubernetes.
- Use Keel.sh to automatically deploy services on Kubernetes.
2. Use Golang to write an engine that collect and aggregate data from the crawler.
- Implemented TF-IDF algorithm.
- Segmentation using word tools such as huichen/sego.
3. Maintained web crawler programs to crawl different website data.
4. Built a kubernetes cluster on local machine.
5.Use Ansible to set up a local machine initialization environment.
6. Wrote CI/CD flow with GatLab-CI.

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