Cong Sun

Cong Sun Email and Phone Number

Big Data & Advanced Analytics Expert @ Merck Life Science
darmstadt, hesse, germany
Cong Sun's Location
Shanghai, China, China
Cong Sun's Contact Details

Cong Sun work email

Cong Sun personal email

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About Cong Sun

Data professional with expertise in building scalable data solutions, designing efficient ETL processes, and transforming complex requirements into actionable insights. Skilled in automating processes, enhancing decision-making, and driving cross-functional collaboration.Expert in SQL, Python and Palantir Foundry

Cong Sun's Current Company Details
Merck Life Science

Merck Life Science

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Big Data & Advanced Analytics Expert
darmstadt, hesse, germany
Employees:
4641
Cong Sun Work Experience Details
  • Merck Life Science
    Senior Data Solution Specialist
    Merck Life Science Nov 2021 - Present
    Shanghai, China
    Built and enhanced integrated datasets to support analyses of global sales trends, pricing, and customer engagement, improving data-driven decision-making across teams.Developed datasets incorporating key information like trade compliance details and automated credit control processes, reducing manual workload and ensuring seamless operations.Integrated customer segmentation data and key product attributes into internal tools, enabling targeted marketing strategies and deeper business insights.Automated credit management processes, including credit ratings and checks, ensuring operational stability and backup systems for critical workflows.Built comprehensive customer pricing datasets with historical discount data, enabling teams to track discounts and support audit requirements.Developed automated monthly reporting for pricing and sales performance, ensuring timely and consistent insights for pricing and operations teams.Delivered accurate datasets daily to various teams, ensuring quick access to critical data for agile decision-making across the organization.
  • 中银国际证券股份有限公司
    Data Engineer
    中银国际证券股份有限公司 Jul 2020 - Nov 2021
    Shanghai, China
    Completed 62 IT requests, delivering diverse data solutions, including complex queries, ETL jobs, and optimizations using Oracle, HiveQL, and SQL for cross-divisional needs.Designed and implemented batch and micro-batch ETL pipelines to ensure reliable data flow for the product center, website, and risk supervision center.Led the migration of the data warehouse from Oracle to CDH, creating 210 ETL jobs, optimizing job streams, and reducing DayEndProcess runtime from 11 to 4 hours while cutting storage usage from 92% to 10%.Built 103 reusable data models for retail and wealth management, increasing reusability by 60% and supporting data-driven decision-making.Improved data quality, optimized job streams, and recommended enhancements for infrastructure and BI platforms.Developed data pipelines for investment performance and salary data ingestion in the new evaluation center.
  • Jefferies
    Data Scientist Intern
    Jefferies May 2019 - Aug 2019
    Greater New York City Area
    Worked on knowledge graph in the field of investment banking
  • American Institute For Behavioral Research And Technology
    Research Analyst Intern
    American Institute For Behavioral Research And Technology Jun 2017 - Jan 2018
    Description: Worked as a research intern at AIBRT, a research institute of psychology, under Dr. Robert Epstein.• Performed data cleaning, data analysis, data mining and data visualization of large, unorganized dataset with over 700,000 observations and 100+ features generated by an online survey of 10+ years using R and SPSS • Built a computational model of an abstractive theory that is essential to the research using R• Utilized external sources such as US census data to supplement missing information for the research paper • Developed insights from analyses and communicated with professor on using data-driven approaches to facilitate research process

Cong Sun Skills

Java Python Mathematical Statistics Matlab Microsoft Office R Microsoft Powerpoint Microsoft Excel Data Analysis Spss

Cong Sun Education Details

Frequently Asked Questions about Cong Sun

What company does Cong Sun work for?

Cong Sun works for Merck Life Science

What is Cong Sun's role at the current company?

Cong Sun's current role is Big Data & Advanced Analytics Expert.

What is Cong Sun's email address?

Cong Sun's email address is cs****@****ies.com

What schools did Cong Sun attend?

Cong Sun attended Columbia University In The City Of New York, University Of California San Diego, University Of California, San Diego.

What skills is Cong Sun known for?

Cong Sun has skills like Java, Python, Mathematical Statistics, Matlab, Microsoft Office, R, Microsoft Powerpoint, Microsoft Excel, Data Analysis, Spss.

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