"Hire the Top 3% of Freelance Talent" https://www.toptal.com/resume/seunghun-lee seunghun.lee@toptal.com

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- Description of the project(s): Develop, maintain, integrate 40+ internal Spotify softwares mainly regarding user, payment, customer service - Tools and techniques used: Next.js, React.js, TypeScript, Server Side Rendering, Micro Services, Cloud Functions, CI/CD, End to End Test, Node.js, Google Cloud Platform, Postgres, Python, Sentry, Docker, Kubernetes - Role in the project: Develop, fix, maintain, improve code, make business, team decisions - Size of the project (team): Direct team of 16, team of 100+ Spotify Freemium Unit, collaborated with 1000+ people at Spotify. - Responsibility: Senior Software Engineer Consultant(Full Stack) - Results achieved: Impacting 210 million Spotify users and internal employees with better experience

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- Description of the project(s): Develop, fix, maintain, improve external and internal Klarna SDK library, checkout experience, Klarna Payments API in JavaScript. Develop the Klarna SDK (vanilla Javascript) for merchant to integrate the Klarna Playments Develop Klarna One Widget (React + Typescript) Focus on testing and pipeline (building and deploy) - Tools and techniques used: Vanilla JavaScript, React.js, TypeScript, CI/CD, End to End Test, Node.js, Google Cloud Platform, DataDog, Splunk, Jenkins, Sentry, Docker, - Role in the project: Develop, fix, maintain, improve code, make business, team decisions - Size of the project (team): Direct team of 10, team of 100+ Klarna Payments Unit, collaborated with 1000+ people at Klarna. - Responsibility: Senior Software Engineer Consultant(Full Stack) - Results achieved: Impacting 150 million Klarna users and merchants and internal employees with better experience

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