Mar 2020 – Apr 2021 · 1 yr 1 mo

• Working on Azure Resource Graph, which indexes azure resources and make them queryable at scale
• Led the E2E project of adding power state and health data for virtual machines, which led to 90+% growth of queries to Azure Resource Graph and enabled diagnostics scenarios for big customers like Walmart
• As the lead of onboarding, worked with numerous (15+) teams in Microsoft to integrate their data with Azure Resource Graph, fulfilling partner and customer asks

Sep 2017 – Feb 2020 · 2 yrs 5 mos

• Designed and created a scalable platform service that allows resource providers and teams in Microsoft to send notifications about the lifecycle of their Azure resources to each other, with advanced filtering capabilities. Led a team of 3 people as a technical lead.
• Contributed to a whitepaper about resolving customer and first party throttling in Azure
• Designed and created a highly distributed notification service that accepts and processes real time notifications about CRUD operations on resources to keep Azure Resource Graph up-to-date. Worked with junior engineers as a technical lead in implementing a resilient multi-region, high availability and disaster recovery strategy
• Designed and created a fault-tolerant, eventual consistency microservice that indexes all tracked resources (200M+) across Azure

Aug 2015 – Aug 2017 · 2 yrs

• Contributed to petabyte scale distributed log search and analytics platform, using C#, SOLR, Lucene
• Augmented OMS query language, adding operators such as case insensitive search using ANTLR
• Expanded the log search service to 5 new regions and automated deployment
• Built an automated benchmarking tool to test indexing engine performance and correctness

May 2014 – Aug 2014 · 3 mos · Redmond

• Worked on dynamically generating models for ingesting custom logs into our product, Operation Management Suite.

Jun 2013 – Aug 2013 · 2 mos · Redmond, WA

• Prototyped a security intelligence project that analyses Internet Information Services(IIS) Logs to detect (1) potentially malicious users requesting from various locations, using geolocation database that maps ip addresses to countries, and (2) denial of service(DOS) attacks, using processing time and number of requests made as indicators

Feb 2013 – Dec 2014 · 1 yr 10 mos · Ithaca, NY

• Taught CS 2110, Object Oriented Programming and Data Structures, to students through a weekly recitation. Provided academic aid to 900+ students on assignments and exam preparation. Assisted with course grading and management.
• Taught CS 1617, Computing in the Arts, helped people compose poems, music, and computer programs that do so.
• Taught CS 4410/4411, Operating Systems and practicum. Regularly held office hours, graded and managed the morale of the course staff as the morale czar.

Jun 2010 – Aug 2010 · 2 mos · Gyeonggi-do, Korea

• Designed and created 'Alarm Trend Management System', providing user interface of the current state of the semiconductor manufacturing machines, using C#

Mar 2010 – Mar 2012 · 2 yrs · Hoengseong-gun, Gangwon-do, Korea

• As a head of '.Net Club', I implemented and managed a social networking website used by the student body. This website helped 500+ people communicate important notices online everyday.