Haobo Wang

Experience

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  Purdue CAM2 Group

  Jan 2019 - Feb 2021

  CAM2 Crowdsourdcing Researcher

  Crowdsourcing workflow that detects bias for machine learning image datasets: Designed a web application that collects data from crowd workers to detect bias attributes in machine learning image datasets.* Implemented backend in Django framework + Bootstrap front-end UI. Deploys on Heroku. Used PostgresSQL and host on AWS RDS, Stored Image data on Amazon S3 cloud storage for fast retrieval.* Designed scripts to automate Human Intelligence Task (HIT) release & to Amazon Mechanical Turk using Python Boto3 API, saving 80% of the time. Show less

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  Purdue University, Liberal Arts Department

  Aug 2019 - Aug 2020

  Full Stack Developer

  * Designed SQL database to assist the College with management of large number of grants, resulting in simplified identity and access control solutions for college’s administrative staff to improve efficiency. Backend is implemented based on Mysql & Node.js, and used Express.js framework with MVC structure.* Designed database scheme & tables to enhance search and query for nearly real time performance.* Implemented security features using SAML Authentication, connect to Purdue’s 2-factor authentication login system for authorized department members (Passport.js).* Streamlined the annual funding report creation process by implementing dashboards and graphs (D3.js) Show less

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  Purdue University CAM2 Research Group

  Jan 2020 - Aug 2020

  Drone Research Team Lead

  Low Power Computer Vision Challenge (LPCVC) 2020 - UAV Track: Competition host. Challenge Task: Optical Character Recognition (OCR) on drone video. Sponsored by Facebook. * Led the team to collect data using drones on campus for multi-object tracking. Proposed task prototype for 2021 challenge.* Created fine-tuned sample solution to achieve 3 times faster performance on video OCR task for reference.

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  Purdue University Electrical and Computer Engineering

  Aug 2020 - May 2021

  Graduate Research Assistant

  Research proposal granted by Sandia National Laboratories.Bandwidth optimization for multi-camera system streaming for real time content based analytics using computer visions algorithms, using open-sourced virtual mahine tool, minimega by Sandia.

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  Concordance Health Solutions

  May 2021 - Aug 2021

  Software Engineer

  SMARTMED App:* Led the customer support team to solve user issues with the apps by implementing SQL scripts. Helped solve about 60% of the user issues.* Reduced 10% of application size on Jakarta RESTful backend, Wildfly server by removing deprecated old functions & Api calls.* Re-designed server architecture to Node.js serverless by integrating to AWS based solutions such as AWS Lambda, Cognito for user registration & authentication, resulting in significant reduction in server cost by 64% (Estimated). Show less

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  Meta

  Aug 2022 - now

  Software Engineer

  ◦ Data Infra Security Team: Data Infra Permission Service – Java◦ Data Infra Privacy Management Team: Policy Evaluation Service, Policy Management Service – Python