linkedin > linkedin Employee Directory > Junjie Hu
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Junjie Hu's Personal Email and Phone Number
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Junjie Hu
Staff Software Engineer
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Location: San Francisco Bay AreaApprox. Years of Experience: 13
Junjie Hu's Current Workplace
LinkedIn
Company Size
2500+
Amount Raised
$154.8M
Founded in 2003, LinkedIn connects the world's professionals to make them more productive and successful. With more than 850 million members worldwide, including executives from every Fortune 500 company, LinkedIn is the world's largest professional network. The company has a diversified business model with revenue coming from Talent Solutions, Marketing Solutions, Sales Solutions and Premium Subscriptions products. Headquartered in Silicon Valley, LinkedIn has offices across the globe.
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Notable Investors
SAP, Sequoia Capital, Tiger Global Management, Goldman Sachs, Greylock
Software
Internet
Lifestyle
Recruiting
Publishing
Employment
Advertising
Social Media
Digital Media
Collaboration
Product Search
Social Recruiting
Contact Management
Identity Management
Professional Services
Professional Networking
Media and Entertainment
Experience
Staff Software Engineer
LinkedIn
Sep 2024 - Present
1 mo
Software Engineer
Databricks · Full-time
Aug 2022 - Jul 2024
2 yrs
Logging Platform and Monitoring Platform (a.k.a Observability) Building the observability solution (Argo Rollout, M3db, Prometheus, Grafana, Spark) that powers Databricks at scale, including: * Built an in-house library that replaces 3rd party frameless which transform the ScalaPB to Spark types. * E2E metrics-based infrastructure supporting canary deployment. * Alerting infrastructure. * Metrics ingestion, aggregation, storage infrastructure. * Metrics Query Infrastructure.
LinkedIn
Mar 2014 - Aug 2022
Staff Software Engineer
Apr 2019 - Aug 2022
3 yrs 5 mos
09/2021 - Now: New Catalog Platform for LinkedIn Products 02/2020 - 09/2021: LinkedIn Business Data Warehouse Teachlead, transforming the LinkedIn business data lake into data warehouse that powers business intelligence, including: * Helped building a new engineer team dedicated for LinkedIn business offline flows. * Redefine the offline architecture inside LinekdIn Business Platform org. * Built the infrastructures to support the Spark flow which provide business data with better SLA, documentation and quality. 04/2019 - 02/2020: ETG Developer Infrastructure Techlead, building the entire CI/CD solution for Dynamics CRM Development, including: * Dynamics CRM Build, Publish, Deployment pipeline leveraging Azure DevOps. * Patch-based workflow reducing the local "build" time by 90%.
Senior Software Engineer
Jun 2016 - Apr 2019
2 yrs 11 mos
04/2018 - 04/2019: ETG Developer Infrastructure Member of the founding team, building the entire CI/CD solution for Dynamics CRM Development, including: * CRM configuration resolution framework. * Gradle based CLIs for CRM developers. * Functional Testing Framework for Dynamics CRM C# Plugin. 06/2016 - 04/2018: LinkedIn Learning Member of the founding team, built the backbone infrastructures supporting, including: * ETL pipeline to bootstrap the Learning content from Lynda. * First backend and fontend servers for LinkedIn Learning * Infrastruture for Learning Email notifications. * LinkedIn's first non-member authentication flows. * Data migration pipeline for moving Lynda users to Learning. * Infrastructure to support 3rd party LMS integration.
Software Engineer
Mar 2014 - Jun 2016
2 yrs 4 mos
08/2015 - 06/2016: Linkedin Learning 02/2015 - 08/2015: Voyager (Flagship) 03/2014 - 02/2015: Linkedin Contacts and Connected App
Software Engineer Intern
Indeed.com · Internship
May 2013 - Aug 2013
4 mos
Primary work: 1. Jobsearch related backend and frontend development. 2. Bot detection. 3. Write pig scripts to analyze big data.
Research and Development Assistant
Devexperts · Internship
May 2010 - Feb 2011
10 mos
Develope and maintain a distributed system used for stress testing.
Education
  • 2012 - 2013
    University of Illinois Urbana-ChampaignProfessional Masters of Computer Science, Computer Science
  • 2007 - 2011
    Shanghai UniversityBachelor of Engineering (B.E.), Computer Science