LiHua Sang

Senior DevOps/Backend/Blockchain Engineer

Shenyang Shi, China

Summary

I worked in professional development for around 10 years.
I participated in large projects and played an important role such as team manager and
senior backend developer.
I am specifically proficient in multitasking, data scraping and analytics and web &
desktop automation.
My main programming languages are Python / Java / C++ / Php / C# / SQL and so on.
Also I have much experience in Rest APIs development using Django Rest and Flask.
For 3rd party packages, I have rich experience in AWS SDK using boto3 packages.
For ORM, I worked in Django ORM and SQLAlchemy.
I have other various experiences in backend development anyway.
I describe my experience in main projects I worked in the past.
(Since these are private projects I signed in NDA, I can’t provide code works.)

Favorite Python Packages:

django, celery, flask, scrapy, selenium, pywinauto, boto3, numpy, pandas

Experience

Projects

  • Project nameAvanan

     

    Project description

    ➀ Project Description
    company website: https://www.avanan.com/
    Avanan catches the advanced attacks that evade default and advanced security tools. Its invisible, multi-layer security enables full-suite protection for cloud collaboration solutions such as Office 365™, G-Suite™, and Slack™. The platform deploys in one click via API to prevent Business Email Compromise and block phishing, malware, data leakage, account takeover, and shadow IT across the enterprise. Avanan replaces the need for multiple tools to secure the entire cloud collaboration suite, with a patented solution that goes far beyond any other Cloud Email Security Supplement.
    ➁ Contribution
    I developed phishing and malware attack detection modules for Office365 products such as outlook and onedrive.
    Also I developed policy service engines to monitor all Avanan services status such as counting phishing and malware emails and files
    ➂ Skills: Python, Elastic Search, Mongo, AWS(SQS, S3, EC2 - Autoscale groups)
  • Project nameContent Analytics

     

    Project description

    ➀ Project Description
    company website: http://www.contentanalyticsinc.com/
    Content Analytics is the only end-to-end eCommerce solution combining analytics, content management and reporting all in one platform.
    From the complexity of eCommerce management, this system enables eCommerce platforms to simplify the process, with everything you need to manage all of your products, and ultimately, increase revenues. This system helps 3M, Hasbro, J&J, Kimberly Clark, Mattel, P&G, and many more stay at the forefront of eCommerce.
    ➁ Contribution
    I worked in Insight team responsible for analyzing product rankings from the crawled data of various eCommernce products such as Walmart, Amazon, Target, etc.
    I developed over 20 varioius ranking reports such as Price + Map, Buy Box, Out of Stock, Search Terms, Shelf Pages, etc.
    ➂ Skills: PHP/CodeIngniter, Postgres SQL, Jquery, React JS, Npm, Product Contents.
  • Project nameFashion Trend Analytics

     

    Project description

    ➀ Project Description
    company website: https://www.trendalytics.co/
    This system enables retailers to drive forward looking decisions by aggregating and demystifying predictive data.
    The main target customers are online fashion retailers and active customers using this system are such as Sephora, Saksfifthavenue, Kohls and so on.
    ➁ Contribution
    I developed ML module discovering top fashion influencers in Instagram from popular fashion tags.
    Also I designed robust crawling architecture and developed from scratch in this project.
    My background in large scale crawling architecture was rooted in Content Analytics project which I worked before joining in this project.
    This architecture is consists of spiders(python scrapy), AWS SQS, S3, auto scale groups and Jenkins.
    Also I developed over 20 spiders such as Sephora, Kohls, Google Trends etc.
    ➂ Skills: Python, Scrapy, Elastic Search, Mongo, Numpy, Pandas, IPython, AWS(SQS, S3, EC2 - Autoscale groups)

Joined: March 2021