About
Currently working at Authentication Area: SAML, Oauth2.0, OpenID…
Activity
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An incredible day at our Agentic AI Innovation Center in India! We explored how to redefine integrations for the Agentic AI era — starting with IBM…
An incredible day at our Agentic AI Innovation Center in India! We explored how to redefine integrations for the Agentic AI era — starting with IBM…
Liked by Richard Wan
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I recently started getting into a little something called LeetCode. LeetCode is an online platform where you can practice various languages such as…
I recently started getting into a little something called LeetCode. LeetCode is an online platform where you can practice various languages such as…
Liked by Richard Wan
Experience & Education
Courses
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Cloud Computing
15619
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Distributed System
95702
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Java Smart Phone
18641
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Web Application
15637
Projects
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Input Text Predictor
• Built input text predictor (top five most probable phrases) based on user input log analysis result
• Utilized Hadoop MapReduce to generate N-Gram model from over 3GB text corpus
• Designed and developed a schema in HBase to store the words appearing after phrases and their probabilities
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Nano-Blogging Site
• Built a Nano-Blogging site based on Django (Model-View-Controller framework) using python
• Implemented user registration and authentication, email integration for user verification, asynchronous post, fuzzy search, photo upload and quasi-real-time updates using Twitter Bootstrap, Ajax, SQLite
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Cloud Storage on AWS
• Implemented and evaluated strong and eventual consistency models for a distributed key-value store
• Explored the advantages and disadvantages of replicating over different geographical locations
• Extended a distributed key-value store with sharding or replication schemes in real-world scenarios -
Twitter Big Data Analytics
• Established a whole front-end, web service and back-end framework for client query on AWS
• Analyzed sentimental score and performed the text censoring of Twitter text using AWS Hadoop MapReduce
• Deployed MySQL and HBase databases with a large data set(~1TB) to build a REST-based web service capable of handling a high load (~ tens of thousands of requests per second)
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Finance Manager (Android Application)
• Helped the user control income and expenses to potentialize the savings
• Supported user to customize type of expenses, accounts
• Implemented reporting mechanisms including saving the moment and GPS
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Body Movement Detection Support Vector Machine
• Two set of data were given and in each set of data includes bio-signal data and label, an SVM solver was implemented to maximize the classification margin
• Newton Method, Interior point method and backtracking line search were implemented to achieve the SVM
• For each set of data, this SVM can achieve an average accuracy of 95.4% and 87.5% -
Resource Scaling using AWS and Azure
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• Programmatically control resources (scale in or scale out) in respond to the demands on AWS and Azure.
• Configured and deployed Load Balancer along with scale set on AWS and Azure.
• Developed and implemented LRU based strategy for caching user query results
• Implemented automatic machine failure recovery on cloud
Languages
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Chinese
Native or bilingual proficiency
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English
Professional working proficiency
More activity by Richard
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Easily secure complex cloud environments with self-learning AI that detects and responds to known & unknown cloud threats in real time.
Easily secure complex cloud environments with self-learning AI that detects and responds to known & unknown cloud threats in real time.
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Honest question - Who would need to be lobbied to modify the rules for H-1B? I worked at Amazon over the years, and it was never easy to find enough…
Honest question - Who would need to be lobbied to modify the rules for H-1B? I worked at Amazon over the years, and it was never easy to find enough…
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Hi everyone, I was a Data Scientist in Amazon. I got an offer from DoorDash for a data scientist position which I accepted more than a month ago…
Hi everyone, I was a Data Scientist in Amazon. I got an offer from DoorDash for a data scientist position which I accepted more than a month ago…
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Anyone else feel this way? Imagine if the opposite were true... You land a new job (learn how https://bit.ly/36fWltD) and feel like you know how to…
Anyone else feel this way? Imagine if the opposite were true... You land a new job (learn how https://bit.ly/36fWltD) and feel like you know how to…
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Well done Gayathri Shrikanth, hope you had a great internship with me and our team at Salesforce. It was a great pleasure working with you as a your…
Well done Gayathri Shrikanth, hope you had a great internship with me and our team at Salesforce. It was a great pleasure working with you as a your…
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What happens when you upload a file to Amazon S3? . . Before we dive into the design, let’s define some terms. 𝐁𝐮𝐜𝐤𝐞𝐭. A logical container…
What happens when you upload a file to Amazon S3? . . Before we dive into the design, let’s define some terms. 𝐁𝐮𝐜𝐤𝐞𝐭. A logical container…
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