Qrumi

ENGINEERING
SYSTEMS

I build high-performance, minimalist software architectures. Specializing in highly interactive front-ends and scalable backend topologies that bridge rigid structure with organic interaction.

Kai-Jie Hsu

Alger Hsu

// GO / BACKEND SOFTWARE DEVELOPER

// TECHNICAL STACK

PROGRAMMING LANGUAGES

GOLANG PHP TYPESCRIPT PYTHON

DATABASES

MYSQL MONGODB REDIS POSTGRESQL ELASTICSEARCH

CLOUD & CI/CD

AWS GCP DOCKER TERRAFORM ANSIBLE GITLABCI

MONITORING & MESSAGING

PROMETHEUS GRAFANA KAFKA GRPC

// OTHER SKILLS

DESIGN

BLENDER MAYA PHOTOSHOP

GAME ENGINE

UNITY UNREAL

LANGUAGES

  • Chinese (Traditional)NATIVE
  • JapaneseJLPT N2
  • EnglishBASIC

// EDUCATION

Takming University of Science and Technology (TMUST)

Department of Information Technology

2015/09 — 2019/06

  • -Actively participated in ICPC and CPE competitions
  • -Runner-up in the autonomous vehicle competition
  • -Graduation project focused on a self-balancing vehicle system

// ABOUT ME

I am a computer engineer from Taipei, Taiwan. I enjoy programming, development, and solving problems, and I want to keep learning across different technical domains.

// EXPERIENCE

CDN Engineer

2023/05 — 2023/09

端點智能科技有限公司 (Wise Point Solutions Technology)

Extended and improved the existing AWS Terraform IaC codebase to increase infrastructure maintainability and cross-environment reuse.

  • -Extended and improved the existing AWS Terraform IaC codebase to increase infrastructure maintainability and cross-environment reuse.
  • -Adopted GCP into a multi-cloud strategy, building GCP infrastructure from scratch with Terraform and standardizing IaC development rules and deployment workflows across both clouds.
  • -Wrote Ansible playbooks to automate server configuration management and application deployment.
  • -Deployed and operated Prometheus + Grafana monitoring stacks across cloud nodes and services, including metrics collection, dashboards, alerts, and Telegram notifications.
  • -Diagnosed severe API latency issues, designed and implemented an APICache Service as a transitional solution, reducing response time to under 0.5 seconds.
  • -Led CDN architecture evaluation and technical selection, working with the team to define the final design and roadmap.
GOLANG POSTGRESQL REDIS TERRAFORM ANSIBLE AWS GCP GITLABCI PROMETHEUS GRAFANA

Backend Developer

2019/08 — 2023/05

天堂遊戲有限公司 (Paradise-Soft)

Built data integration and processing systems with Golang, including web crawler development, automated information collection, storage, and independent backend modules and APIs.

  • -Developed lottery data crawler and analytics systems to provide real-time lottery data and results, and built a lottery analysis site for traffic generation.
  • -Built sports data crawlers and integrated paid third-party sources to provide real-time match data and launched sports analysis websites.
  • -Independently developed index-lottery data crawlers and collection systems to expand new features and value-added services for the company’s main business platform.
  • -Refactored the DWH project systematically to remove duplicate code, reduce coupling, and improve long-term maintainability.
  • -Redesigned the crawler architecture to improve crawling efficiency, system stability, and expand data collection features.
  • -Supported and contributed to backend development for wallet services.
  • -Created automation scripts for repetitive art-team workflows, significantly improving efficiency and reducing human error.
GOLANG MYSQL MONGODB REDIS ELASTICSEARCH KAFKA GRPC GITLABCI DOCKER

Software Engineer

2018/07 — 2019/08

奇點數位科技有限公司 (Singularity)

Developed game frontend and backend systems with Egret, Cocos Creator, and TypeScript, and handled Linux server operations and maintenance.

  • -Worked with PM, 2D artists, and VFX artists to independently build multiple in-game systems and features.
  • -Developed reusable Slot game modules to speed up project delivery and helped other team members use them for new Slot titles.
  • -Improved game AI behavior.
  • -Built Python automation scripts to streamline the workflow from Photoshop assets to the game engine.
TYPESCRIPT EGRET COCOS CREATOR PHP MYSQL REDIS PYTHON SVN

// DEPLOYED PROJECTS

TalkRealm

open_in_new

A web-based multi-user real-time chat application using Vue on the frontend and Golang on the backend, with basic chat and voice live-stream communication features.

GOLANG VUE WEBSOCKET WEBRTC