# John UngJae Yun

> Software Engineer

Location: New York, New York, United States
Profile: https://flows.cv/johnungjaeyun

Experienced software engineer with a master’s in computer science, demonstrating a proven track record of delivering impactful production code

## Work Experience
### Software Engineer @ Broadlume
Jan 2023 – Present
Data & Integrations Team

•	Spearheaded the development of an in-house platform that displays website performance statistics from Google Analytics and Facebook Ads utilizing a MVC architecture in a new language and framework (C#, .NET), which replaced a third-party system (Looker), leading to an annual cost reduction of over $100k
•	Designed, developed, and maintained RESTful API endpoints utilizing an event-driven architecture to serve as the centralized source of truth for CRM, ERP, and Lead Management systems across the company, facilitating efficient data distribution and synchronization across all internal and external services
•	Served as a crucial on-call engineer, resolving system issues in the Salesforce to AWS SQS/Lambda pipeline and offering vital support to all internal teams
•	Implemented JUnit tests to mock requests for RESTful API endpoints, resulting in a 5% increase in codebase test coverage enhancing system reliability
•	Stacks: Java, Dropwizard, PostgreSQL, C#, .NET, Git, JUnit, AWS (SQS, Lambda), Docker, Maven

### Junior Software Engineer @ Broadlume
Jan 2021 – Jan 2023
Data & Integrations Team

•	Developed and maintained robust integrations with external platforms such as Google Ads and Facebook Ads, ensuring up-to-date advertising account information and a consistent flow of leads for clients
•	Optimized data flow by managing client data synchronization between account management and other internal services using AWS SQS and Lambda 
•	Streamlined the creation of client websites by implementing RESTful API endpoints to direct client requests to a third-party website generation service (Camilyo)
•	Increased team efficiency by 2X by automating Monday ticket generation tasks through the development of a REST API pipeline between the company’s Salesforce instance and the respective Monday board
•	Stacks: Java, Dropwizard, PostgreSQL, Git, JUnit, AWS (SQS, Lambda), Docker, Maven


## Education
### Master's Degree in Computer Science
Queens College

### Bachelor of Business Administration - BBA in Banking, Corporate, Finance, and Securities Law
Queens College


## Contact & Social
- LinkedIn: https://linkedin.com/in/ungjae
- Website: https://github.com/ungjae

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Source: https://flows.cv/johnungjaeyun
JSON Resume: https://flows.cv/johnungjaeyun/resume.json
Last updated: 2026-04-05