余佳恆

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余佳恆

Backend Developer

Profile Portfolio

Posts

18Connections

Backend Developer

我對於很多事情都充滿著好奇心，陸續從電腦印表機維修、iOS 開發，到目前主要寫 Python Flask，在寫專案的過程中曾發 PR 修正 python-apns 和 flask-admin 等套件的問題被 merge，最開心的事情是能夠縮短 SQL 的查詢時間！平常會玩 NAS、爬蟲等來方便自己的生活，也有稍微自學一點 React.js，希望有機會再往 Data Engineer、DevOps 等領域學習。

冰角數位

台北商業大學

Taipei City, 台灣

https://www.cloudskillsboost.google/public_profiles/306436f5-db62-40ef-ba86-b2ed70b88801

Professional Background

Current status
Unemployed
・
Ready to interview
Profession
Back-end Engineer
Fields
Computer Networking
Work experience
10-15 years (6-10 years relevant)
Management
I've had experience in managing 1-5 people
Skills
Flask(Python)
SQLAlchemy
MariaDB / MySQL
Nginx
Redis
Sentry
ELK(ElasticSearch)
Fluentd
Kibana
Docker-composer
GitFlow
Travis CI
pytest
PostgreSQL
Makefile
Kubernetes/Docker
K8S
Travis
Jenkins
Ansible
GitLab CI
FastAPI(Python)
Languages
English
・
Beginner
Highest level of education
Bachelor

Job search preferences

Desired job type
Full-time
・
Interested in working remotely
Desired positions
Backend Developer
Desired work locations
Taipei City, Taiwan
・
Japan
Freelance
Part-time freelancer

Work Experience

Backend Developer

冰角數位

・

Full-time

May 2021 - May 2023

・

2 yrs 1 mo

Tainan City, Taiwan

・

Taichung City, Taiwan

・

Kaohsiung City, Taiwan

• 開發手遊星欲少女 o 從零建置所有開發測試環境 o Database schema design o API spec design o Erolabs 帳戶註冊登入以及金流串接 o Automate unit testing o Gitlab CI o Gitlab CD to GKE o 外部 SRE、Data Team 窗口 o 後端新人技術面試 o 所有後端 API 開發、Spec design、所有環境從零建置 o Language：Python o Framework: Flask o Database: PostgreSQL o Cloud: Google Compute Engine o Error tracking: Self-Hosted Sentry

Python Backend

共創生活新媒體

・

Full-time

Jul 2019 - May 2021

・

1 yr 11 mos

Taipei City, Taiwan

• 開發直播平台初樂TrueLoveLive (現為Xtars) o 配合雙平台 App、官網以及後台分別實做 REST API o 串接 Signin with Apple、Facebook login o 效能優化: 通過正規化、COVERING INDEX、FORCE INDEX 等一系列手段，將排行榜千行 SQL 由 8s 優化至 0.6s o Automate unit testing o 串接 mycard、yipay、mypay 金流 o 使用 selenium 做金流完整自動化測試 o 使用 pytest-xdist 並行加速自動化單元測試 o Language：Python o Framework: Flask o Database: MySQL o Cloud: Google Compute Engine o Error tracking: Self-Hosted Sentry o Logging: ElasticSearch Fluentd Kibana

Python Developer

誠藝顧問有限公司

Oct 2018 - Feb 2021

・

2 yrs 5 mos

此公司專案皆為外包 • 開發後端專案 - 燃料電池案 • 開發後端專案 - 清潔人員管理資訊系統案 • 開發後端專案 - 勤美集團工單系統 o 配合 App、網頁後台開發 API o Celery 背景執行週期任務 o 串接 FCM & APNS 推播 o IoT Device Byte Reversal o Calculate CRC16 / MODBUS o Language：Python o Framework: Flask o Database: MariaDB o Cloud: Linode

iOS Developer

資雲數位科技有限公司

Jul 2016 - Jul 2019

・

3 yrs 1 mo

2016年7月 ~ 2017年1月在資雲擔任正職 • 開發 Fun 學堂 App • 使用 Adobe Premiere 製作 VR 3D 影片後續到蓋德時資雲轉換為個人外包斷斷續續直到 2019 年 7 月結束 • 開發美樂蒂英語 App • 開發上光眼鏡 App o Language：Swift