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Gun Hyuk.

Software Engineer / Tech Lead

I lead reliable e-commerce integrations and build the systems that make complex operations feel simple—from payment orchestration to production support.

Start a conversation Based in Singapore

01

Experience

End-to-end product delivery across aviation and enterprise logistics.

01

Singapore Airlines

Tech Lead, E-Commerce

Dec 2021 — Present

Singapore

  • Led integration of global payment providers for airline e-commerce, spanning Mastercard, Worldpay, Adyen, Alipay+, IATAPay, and DBS PayNow.
  • Delivered Altea check-in integration for e-commerce flows, aligning data mapping, validation, and operational readiness.
JavaSpring BootQuarkusApache CamelMySQLOpenShift
02

CJ Logistics Asia Pte Ltd

Software Engineer

Nov 2017 — Dec 2021

Singapore

  • Modernized warehouse workflows with an MSA proof-of-concept and web application for WMS Web.
  • Built a service-management platform proof-of-concept and delivered EDI and Android solutions for international customer sites.
  • Shipped POD upload and mobile capabilities for transport operations through TMS Mobile.
Spring BootReactSQL ServerDocker SwarmELKJenkinsVert.xVue.jsRedis.NETAndroidXamarin Forms

02

Expertise

A backend-led skill set with practical fluency across the full delivery lifecycle.

01

Backend

Spring Boot · Quarkus · Apache Camel

02

Frontend

React · Next.js · Tauri

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Data

Microsoft SQL Server · MySQL

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Platform

Kubernetes · OpenShift · Jenkins · SonarQube · Dynatrace · Splunk

03

Credentials

Education and professional qualifications.

Education

Sejong University

Seoul, Korea · 2010 — 2017

Bachelor of Science in Physics
GPA 3.61 / 4.5

Scholarship for Language Excellence (English)
Scholarship for Academic Excellence

  • Programming in HTML5, CSS, JavaScript — Microsoft (2017)
  • Engineer Information Processing — HRD Service of Korea (2016)
  • MOS 2010 Master — Microsoft (2015)
  • MCTS: Accessing Data with Microsoft .NET Framework 4 — Microsoft (2012)
  • Computer Literacy and Word Processor (Level 2) — Korea Chamber of Commerce & Industry (2003)
  • OPIc — ACTFL (2016, Intermediate High)
  • TOEIC — ETS (2016; Speaking 160/200, Listening 455/500, Reading 465/500)
  • Driver License — Seoul Metropolitan Police Agency (2009, Level 1)