Jason Chang

Jason Chang Email and Phone Number

Data Scientist at LinkedIn @ LinkedIn
Jason Chang's Location
Berkeley, California, United States, United States
Jason Chang's Contact Details
About Jason Chang

At LinkedIn, my team's focus is on transforming workplace efficiency through innovative automation solutions. We have leveraged machine learning and advanced NLP to develop an internal search engine powered by large language model embeddings. This initiative has greatly improved document retrieval processes and user interactions within the company. Our collaborative efforts have also culminated in the deployment of a sophisticated bot-powered Q&A system on Slack, elevating the support experience by integrating GPT technology and search functionalities. With a steadfast commitment to excellence, we continuously engage with various stakeholders to enhance these systems, ensuring that the solutions we deliver not only meet but exceed user expectations.

Jason Chang's Current Company Details
LinkedIn

Linkedin

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Data Scientist at LinkedIn
Website:
dukelong.com
Jason Chang Work Experience Details
  • Linkedin
    Staff Data Scientist
    Linkedin Sep 2024 - Present
    Sunnyvale, Ca, Us
    Workplace automation through agentic workflows.
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  • Linkedin
    Senior Data Scientist
    Linkedin Sep 2023 - Sep 2024
    Sunnyvale, Ca, Us
    View
  • Linkedin
    Data Scientist
    Linkedin Oct 2021 - Sep 2023
    Sunnyvale, Ca, Us
    - Internal document search through LLM embeddings.- Bot powered Q&A on Slack with GPT4 combined with search.- Knowledge gap discovery with LLM semantic graphs.- Data pipelining for multiple sources of truth.- GUI with python-dash for bot self-service portal.- Collaborate with stakeholders to constantly improve user experience.
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  • Linkedin
    Data Scientist
    Linkedin Apr 2021 - Oct 2021
    Sunnyvale, Ca, Us
    Responsibilities:- Understand all EPE data and usage patterns- Build classification models
- Build language models
- Create metrics to measure model quality and model performance- Identify new opportunities to improve task automation
- Work with cross-functional team to deliver results- Maintain understanding of latest technologies and tools and leverage them to improve existing products and services.- Contribute towards the definition of product and technical roadmaps
- Identify opportunities within the team for potential leverage and reuse by developing libraries, APIs, and shared services
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  • University Of California, Berkeley
    Visiting Scientist
    University Of California, Berkeley Oct 2021 - Aug 2023
    Berkeley, Ca, Us
    Continue collaborations with UC Berkeley as part of LinkedIn side projects+ First author and PI of PRX Quantum paper funded by DOE Quantum Horizons grant: Improving Schrödinger Equation Implementations with Gray Code for Adiabatic Quantum Computers
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  • University Of California, Berkeley
    Postdoc
    University Of California, Berkeley May 2018 - Oct 2021
    Berkeley, Ca, Us
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  • Berkeley Lab
    Research Scientist
    Berkeley Lab Jun 2018 - Oct 2021
    Berkeley, Ca, Us
    6 month temporary leave - April to October 2021Adiabatic Quantum Computing+ First author Scientific Reports paper: Quantum annealing for systems of polynomial equations+ UC Berkeley PI of DOE Quantum Horizons Award (through Berkeley Lab)+ Develop first direct method algorithm for systems of polynomial equations.+ Chair of 2019 RIKEN-Berkeley workshop in quantum information science.
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  • Berkeley Lab
    Postdoc
    Berkeley Lab Aug 2015 - May 2018
    Berkeley, Ca, Us
    Nuclear Physics from lattice QCD+ First author Nature paper: A per-cent-level determination of the nucleon axial coupling from quantum chromodynamics+ Design and maintain PostgreSQL database for data and analysis results+ Apply machine learning techniques to extract physical observables from data+ Implement hooks to PostgreSQL and numerical analysis methods in Python
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  • Riken
    Research Scientist
    Riken May 2018 - Oct 2021
    Wako , Saitama, Jp
    Researcher at iTHEMS RIKEN under Tetsuo Hatsuda.Collaborations in Lattice QCD, and lead quantum computing and annealing efforts.5-year joint position at UC Berkeley and LBNL.
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  • University Of Illinois At Urbana-Champaign
    Teaching Assistant
    University Of Illinois At Urbana-Champaign Aug 2008 - Jul 2015
    Champaign, Il, Us
    + led discussion sessions and office hours for undergraduate students.+ TA for graduate level particle physics class.
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  • Fermilab
    Fellow In Theoretical Physics
    Fermilab Aug 2012 - Aug 2013
    Batavia, Il, Us
    Continued PhD work for one year under the Fermilab Fellowship of Theoretical Physics.
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Jason Chang Skills

Physics Git Linux Data Science Algorithms Bayesian Methods Mongodb Numerical Analysis Data Analysis Data Analytics Latex Scipy Postgresql Scientific Computing Hdf5 Sql Python Research Machine Learning Statistics Bash

Jason Chang Education Details

  • University Of Illinois Urbana-Champaign
    University Of Illinois Urbana-Champaign
    Theoretical And Mathematical Physics
  • University Of Illinois Urbana-Champaign
    University Of Illinois Urbana-Champaign
    Engineering Physics
  • Taipei American School
    Taipei American School
    High School

Frequently Asked Questions about Jason Chang

What company does Jason Chang work for?

Jason Chang works for Linkedin

What is Jason Chang's role at the current company?

Jason Chang's current role is Data Scientist at LinkedIn.

What is Jason Chang's email address?

Jason Chang's email address is py****@****ail.com

What schools did Jason Chang attend?

Jason Chang attended University Of Illinois Urbana-Champaign, University Of Illinois Urbana-Champaign, Taipei American School.

What skills is Jason Chang known for?

Jason Chang has skills like Physics, Git, Linux, Data Science, Algorithms, Bayesian Methods, Mongodb, Numerical Analysis, Data Analysis, Data Analytics, Latex, Scipy.

Who are Jason Chang's colleagues?

Jason Chang's colleagues are Jessie (Jingxu) Gao, Vinod Sharma, Tristan Pollard, Toumi Hajri, Michaela Spannaus, Eugene A. Lee, Abena Adoma.

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