Junyang Xin Email & Phone Number

New York, Ny, Us

I am taking a career break in order to help my young child overcome his speech delay, while waiting for starting an exciting new chapter at my favorite company in August - will reveal it once the time comes!

Miami, Florida, Us

Led development and maintenance of two core Reference Data services (financial instrument master service and entity master service) that are mission critical for the entire firm and their related ETL pipelines.- Implemented new features such as instrument payload auto-patching for backward compatibility, entitlement control for instrument access and new discoverable market dataset.- Managed and improved services architecture and topology. Enhanced scalability and stability with request-throttling REST endpoints, rate limiting and log aggregation/analytics with columnar storage.- Built efficient ETL pipelines with fault tolerance on dependent systems. Optimized legacy pipelines e.g. reduced memory footprint by 70x with minimal code change.Operated and enhanced workflows with SRE practices.- Worked with the SRE team to prepare and execute the data center migration of the core Reference Data services. Supervised the design of the hot/hot DR for these services.Led coordination, investigation and resolution of frequent production issues among internal and external teams.- Improved services telemetry, runtime provisioning and CI/CD pipelines with tools such as Datadog, Splunk, Ansible and Spinnaker.Managed internal client teams’s adoption of a next-generation (under development) Reference Data system.Mentored senior and junior members in both the Software Engineering team and SRE team.

Miami, Florida, Us

Joined the Enterprise Data Platform and Service team and became the key developer for the essential reference data systems:- Security Master System- Entity System

New York, Ny, Us

- Designed and architected robust and scalable infrastructures and services for Fixed Income datasets- Led the Fixed Income sparse data key-value store design and development for swift acquisition of diversified datasets- Built high throughput and configuration-driven pipelines for onboarding, exposing and notifying changes of data- Created modularized and reusable APIs for data access relied on by application teams- Effectively communicated with business partners and stakeholders to ensure data quality and meet client needs

New York, Ny, Us

- Led the project Fixed Income Core Interop with BQL a.k.a. Bloomberg Query Language which was one of the top priority projects backed by the CTO office- Independently built the Fixed Income data provisioning and analytics pipeline for BQL, utilizing and integrating with the ecosystem of Fixed Income Search- Coordinated development workload among several senior engineers as project scope increased- Effectively communicated with business partners and stakeholders at a global scale

New York, Ny, Us

Develop analytic services, data aquisition/indexing tasks, and front end features for application SRCH which is the top one Fixed Income data search application on Bloomberg terminal.

New York, Ny, Us

New York, Ny, Us

- Designed course homeworks.- Tutored students in labs and homeworks. Languages used in the labs include C, C++ and Java.- Graded labs, homework's and exam papers.

New York, Ny, Us

- Implemented full-text search for compounds and proteins data with spell correction of queries and search results faceting. Implemented search by uploaded compound and protein structure file.- Redesigned and implemented data import infrastructure.- Replaced Nginx with Varnish for static content caching. Used Puppet to deploy this change. Varnish tuning.- Developed front-end features such as drag-and-drop file upload and search results faceting.- Prototyped type-ahead search and compound data clustering.- Wrote unit tests and integration tests of modules.- Languages and tools used include Python, Puppet, Flask, Whoosh, PostgreSQL, SQLAlchemy, Nginx, Varnish, Vagrant, RDKit, JQuery and Bootstrap.

Mountain View, Ca, Us

- Supported Google NYC and Dublin, the largest Google offices outside Mountain View- Managed Google’s OS migration from Windows XP to Mac OS X, Linux and Windows 7 for 2,000 employees in NYC- A feature written in PHP for internal website for malware detection and removal notification- Bulk transfer feature written in PHP and JavaScript for an internal inventory management web tool- Software support including Google Apps, Citrix, Bit9, Sophos, Oracle, Adobe, MS Office, VPN- Hardware support including PCs, Macs, Android phones, Blackberry, iPhone, Avaya telephones, Tandberg video conferencing equipments, printers- Operating system support including Linux, Mac OS X and Windows- Events support such as Google 2009 European Sales Conference with 3,000 attendees and Google 2010 Global Legal Summit- Executive support for Vice Presidents- Experience of working in New York, Dublin, London, Hamburg, Beijing and Shanghai

Mountain View, Ca, Us

Masters, Computer Science

Bachelor, Computer Science

Bachelor, Software Engineering