Leo K. Email & Phone Number

San Jose, Ca, Us

Full Stack Web Application Development.- Developed and maintained micro-services in Google Cloud, such as, data access api, OAuth authorization, PDF generation, chart generation, and ETL jobs.- Data visualization w/ D3.js, Server-side HTML rendering with Express.js server, Flask, and Phantom.js. Collaborate with Mobile developers on WebView development. Reduced TTM for both iOS & Android apps by sharing a webview for chart. Served over 30k daily users. Generate and store PDF with charts in the server for user access.- Collaborate with Product & Design team to define technical product roadmap. - Web App Development Tools: Javascript, Node JS, HTML/CSS, Express JS, Webpack, Babel, D3 JS, Phantom JS, ES5, ES6 ( ES2015), Unit Testing with Jasmine, Mocha, Chai, Python, Flask Web Server- Google Cloud: App Engine, Compute Engine, Flexible App Engine, DataStore, BigTable, Big Data Processing, Dataflow, Stackdriver Monitoring, Cloud Function, Protobuf- General Software Development: Agile development, Scrum, Jira, Trello, Confluence, BitBucket, Git, Jenkin, IntelliJ, PyCharm, Atom

Redwood City, Ca, Us

Web Application Development for User Acquisition, Online Sales, and Account Infrastructure.• Work with the team on full stack development for various web signup flows from HTML/CSS/JS to PHP• Modularize the legacy signup framework to a manageable components for refactoring• Responsible for other revenue impacting components, such as account framework, in-app purchases, etc• Improve analytic & tracking for various business critical flow• Improve various UI flows by running A/B testing with Business Analytic & Data Engineering teams• Rotational scrum master experience for the team & project planning• Part of the only engineering scrum team in Box that drives toward company’s online sales initiative, in which our team was responsible for $1 million ARR in 2015 Oct alone• Provide guidance and mentorship to junior engineers & interns

Sunnyvale, Ca, Us

- Develop & Support Messenger Products that serves 150 million users around the world. Messenger in Mail Next-Generation Web Messenger- Lead the development of Continuous Integration effort for the New Web Messenger Project- Interface with external teams for cross-functional projects• Increased Customer Satisfaction by developing the features that impact over 150 million daily users: - Consolidation of Add Requests handling mechanism. - Ignore Users List Management. - Web Messenger Option Window - Revision of the Ad handling mechanism.• Improved code coverage by developing high coverage unit tests. • Enhanced the Continuous Integration process by pioneering the adoption of new NodeJS CI build tool.• Raised efficiencies for QA team by reducing the stable build deployment time to QA environment.• Identified and repaired the Messenger in Mail CI bottleneck that reduced CI downtown to minimum.

San Jose, Ca, Us

• Ownership of maintaining the reliability, availability, and serviceability of the production test code.• Enforce code review prior to production test codes integration & rollout.• Identify production test code bottle neck and improve the test efficiency.• Lead cross-functional team to solve any test issue to achieve TTQV goal for all products. • Collaborate with inter-disciplinary teams to bring up SPAFLEX proto build card and chassis.• Mentor junior team member on Autotest scripting and test strategy.• Meet & exceed test coverage goal of 85% on projects.• Drive for Early engagement with design team to ensure early test availability for proto cards.• Green Test Initiative & SPA Black Box Tester Implementation • Responsible for new product test strategy development and manage implementation.• Review software/hardware/system specification and design documentation• Software development for production automation.• Test coverage analysis on functional level & system level. • Project management & progress tracking with global teams.• Implement Design for Test.

San Jose, Ca, Us

Debugging production test issue at system level and component level. Lead the production team to maintain manufacturing test qualification. Achieve and sustain high efficiency & yields in production process.

Ms, Computer Engineering

Bs, Computer Engineering