Design and build news metrics system to aggregate IOS devices raw events, digest in pipeline and calculate real-time CTR (clickthrough-rate) to given editorial team insights to the performance of articles in various news feed. (Java + Spring + Cassandra + Solr + Kafka + Bloom filter + Ember) • Design and build auto-curation system from local partners to automatically curate top news articles for various cities in the US/UK. This feature reduces 40% of curation work loads for editorial team. (Java + Spring + Applebot + Ember) • Design and build dynamic configuration-based concern reporting system, which allows IOS clients to report concerns against articles. (Java + Spring + JSON + Ember) • Design and build notification system to alert editorial team if curated top articles got changed/deleted. It sends near real-time alerts and greatly improves news feed quality. (Java + Cassandra + Slack API) Skills: Java · Spring Boot · Cassandra · Solr · Apache Kafka · JavaScript · Redis · Ember.js · Representational State Transfer (REST) · Web Services API

Designed and built email system, which was used for all transactional emails on platform. It handles all email traffic for a 100k daily visits website. (Python + Django + Celery + Postgre + AWS + SQS) • Designed and built request access module, used by all potential investors to request platform access, which reduced 70% of back-and-forth emails. (python + Django + React + Redux). • Integrated with 3rd party services like Salesforce, Slack, Twilio etc Skills: Python · Django REST Framework · React.js

Maintained and improved Bloomberg University, which was a centralized Learning Management System(LMS) for all Bloomberg employees. (Java + Oracle + Rapid) • Maintained and improved Contractor Worker Hiring System, used by Bloomberg recruiters to hire contractors etc. (c# +SQL server) • Maintained and improved OUT, a function used by all Bloomberg employees as calendar where they can put PTO days /sick days / working from home etc. (c# + SQL server) Skills: Java · C# · Oracle Database · Microsoft SQL Server · C++

Implemented and upgraded social login, integration with Linkedin, Facebook and Google+ Rest API. Built a centralized service supporting oauth v1.0 and v2.0, persist refresh token to provide better user experience. (Java + SpringSocial + Facebook/ Google/Linkedin API + Rest Web Service) • Designed and implemented bidirectional email feature, which is used to track conversations between recruiter and candidate, providing a single place for recruiter to manage/view the communication with candidates. (Java +SQL server + Spring + Hibernate) • Designed and implemented feature video cover letter, in which candidate can record/ upload one video as the cover letter. (DynamoDB + Vimeo + Flash + Java + Rest Web Service) Skills: Java · Spring Framework · Microsoft SQL Server · Amazon Web Services (AWS) · Dynamo · Hibernate · RESTful WebServices

• Designed and implemented database schema (Linux+MySQL) • Integrated with Facebook, Twitter, Google map and Klout API (PHP) • Designed and implemented the core functionality “content auto-loading”, it is a scheduled task and will automatically retrieve the updated events from 3rd platform everyday (JAVA) • Hosted SCHEDit on Amazon EC2 platform, by doing this, SCHEDit gets better performance and scalability with less expense (Cloud Computing)

• Developed and maintained both frontend and backend of Network Management System (Linux+Java+JSP+MySQL). • Designed and developed the batch-configuration module and provisioning module, created a small XML-based language which could reduce 80% “duplicated” code and also make these two modules easy to maintain and flexible to changes. (JAVA) • Proposed, designed and implemented a tool called “Ease of Deployment” which could dramatically simplified the tedious and error-prone configuration job in the initialization of our routers. With this tool, our wireless devices can be zero-configured in the deployment stage. (JAVA)