Open to opportunities

Insung Han

@insunghan

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Software Engineer offering 15+ years experience in java and spring framework

United States

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What I'm looking for

I work primarily in Atlanta, but I'm looking for a remote job where I can occasionally work in Seoul.

I currently work as a software engineer from home (Atlanta).

J2EE Software Engineer offering 15+ years experience in the IT industry with a focus on design and development
Strong working experience in Java and spring framework
Extensive knowledge of mobile commerce and payment such as credit card, apple pay, SVA card, coupon, loyalty, membership service

Experience

Work history, roles, and key accomplishments

Current

Senior Engineer Full Stack

Current

Cognizant

Jan 2020 - Present (5 years 4 months)

Design and develop Macys marketing services
- Migrate monolithic services (spring, Jboss) to microservices (spring boot, GCP)
- Java, Spring boot, RESTful API, SOAP, Git(gitlab), Maven, Jboss, DB2, TIBCO EMS,
Google Could with Spanner, Pub/Sub, BigQuery
Design and develop customer mobile application for Tractor Supply Company
- React Native, Redux-saga, RESTful API, VS Code, Git(Bitbucket)

Java SpringBoot GCP Microservices REST APIs

Sr. Software Engineer

Mozido

Aug 2012 - Dec 2019 (7 years 4 months)

• Designed the architecture of the mobile commerce solution
• Developed web server application with Spring Boot/Spring MVC/RESTful API/Microservice/Oracle/
MongoDB/Docker/Kubernetes
• Coordinated with QA testers for end-to-end unit testing and post-production testing
• Analyzed and solved problems of released products (Dunkin Donuts, Vodafone, Deutsche Telecom)

Java SpringBoot Oracle MongoDB REST APIs

Sr. Software Engineer

SK C&C

May 2009 - Jul 2012 (3 years 2 months)

• Designed and developed Mobile Commerce Platform
- Mobile payment and marketing
• Launched Citibank APAC Mobile Banking System
- Support multiple devices and browsers
- Fully commercialized in 12 countries : Hong Kong, Singapore, Taiwan, Australia, and so on.

Java Spring JavaScript Oracle REST APIs

Lead of backend development team

XCE

Apr 2003 - Jan 2009 (5 years 9 months)

• Released Korea Telecom VoIP Phone contents service : weather, news
• Released Cyworld (social media) mobile service
• Developed and operated SK Telecom mobile contents service

Java JavaScript Oracle REST APIs