# King Lam > Engineering Location: San Francisco Bay Area, United States Profile: https://flows.cv/king I am a well rounded seasoned professional specialize in software development. I am proficient with API development, AWS components, object oriented design, code optimization and application scalability. I am experience with building fintech software related to transaction authorization, NACHA file processing, PAN generation and etc. I was one of the founding engineers at Marqeta Inc who build the company from a small startup to a public IPO company. ## Work Experience ### Principal Software Engineer @ Highnote Jan 2023 – Present | San Francisco, California, United States ### Distinguished Software Engineer @ Proper Jan 2022 – Jan 2023 ### Sr. Principal Engineer @ Marqeta, Inc Jan 2017 – Jan 2022 ### Principal Engineer @ Marqeta, Inc Jan 2015 – Jan 2017 | San Francisco Bay Area ### Lead Software Engineer @ Marqeta, Inc Jan 2013 – Jan 2015 | San Francisco Bay Area ### Senior Platform Engineer @ Nominum Jan 2013 – Jan 2013 • Senior contributor in development of Nominum’s N2 Policy Manager which includes the implementation of authentication/entitlement, license validation, HTTPS, personal policy/ list, NPS, and binding for the Policy Manager Restful API product. • Implemented acceptance/integration tests. • PM was implemented using Java, Jackson jax-rs, RestEasy, Spring-JDBC, PostgresSQL, Jetty. • Help mentor junior engineers and always open to helping others. ### Senior Software Engineer @ IGN Entertainment Jan 2009 – Jan 2013 • Principal contributor in architect and development of a robust and blazing fast RESTful API and CMS platform to serve all IGN Videos which includes but not limited to the following: i) Design, develop, and continuously improve the Video API that powers and enables IGN videos to be consume on IGN.com, mobile IGN.com, askmen.com, 1up.com, ugo.com, IGN international sites, Wikia video, Xbox, Roku, Flipboard, and many other internal/external consumers. ii) Performance of the Video API has an average response time of sub milliseconds and serves multi-million requests on a monthly basis. iii) Integrated 3rd party video trans-coding service and syndication service into the IGN Video system. iv) Successfully migrated the entire IGN video catalog from the legacy system into the new database system. v) Research and implemented the API platform using Scala, MongoDB, Tomcat, ElasticSearch, and Memcached. vi) Provide end to end support for internal/external users. * Co-lead the successful launch of the existing IGN video player and embed code. * Help mentor engineers and always open-minded to help others when needed. * Maintain and improve multiple IGN content API platforms. * Setup and maintain multiple MongoDB replica set system for storing/serving IGN media contents. • Design and developed Java Restful web services for consumption by existing and future systems. ### Software Engineer @ Official Payments Corporation Jan 2006 – Jan 2009 • Design, develop, deploy, and maintain highly-scalable web services which include: i) Custom web services that communicate with government systems to retrieve real time data and process payments for vehicle registration, traffic citation, business, and property tax. ii) A generic web service that process payments for the government via accessing database systems. This web service is database driven and is capable of scaling up N number of clients and products. • Consolidate the above web services into a standard set of server side web services to eliminate redundant coding effort for the front end calling applications. • Develop and execute performance stress tests to determine the scalability of web service systems. • Involve with the mandated IRS Anti-Money Laundering project that prevents Specially Designated Nationals (terrorists) from submitting payments using the OPC system. • Provide end-to-end development and maintenance support for internal and external clients. • Study and keep up to date with the latest industry standard development frameworks and technologies. ### Application Engineer @ Mercury Interactive/Hewlett Packard Jan 2004 – Jan 2006 • Achieve Product Expertise in HP/Mercury Load testing and diagnostics products: LoadRunner, Test/Performance center, Diagnostics and Deep Diagnostics. Experienced in using QuickTest Pro, WinRunner, and SiteScope. • Assist, troubleshoot and solve critical problems for enterprise level customers on a daily basis while maintaining excellent customer satisfaction level. • Develop internal Java tools/ applications to help speed up manual process. • Invent/develop custom solutions for mission critical problems. • Participate in delivering product knowledge training within the Performance Center team. • Work diligently and cooperatively in a productive team environment. • Document and Update Mercury knowledge base solutions. • Study and keep up to date with new Mercury technology and product versions. ### Software Engineer @ Housing4Students Jan 2003 – Jan 2003 • Maintain and develop web applications • Write code for front-end, middle-tier, and backend • Produce highly accurate and functional front-end HTML pages based on designs by an in-house UI designer • Participate in engineering development and unit testing phases • Maintain and Perform documentation on a daily basis ## Education ### B.S. in Computer Science and Engineering University of California, Davis ## Contact & Social - LinkedIn: https://linkedin.com/in/kinglam --- Source: https://flows.cv/king JSON Resume: https://flows.cv/king/resume.json Last updated: 2026-04-12