# Helen Wei Yu

> Software Engineer III at Google

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/helenweiyu

6 years of experience at the software engineering role, possess solid technical skills like Python, Spark, Hive, Java, Kotlin, Dart, Swift, Linux operating systems, AWS cloud management, SQL and NoSQL databases.

## Work Experience
### Software Engineer III @ Google
Jan 2022 – Present | San Francisco Bay Area

### Software Engineer @ Cisco
Jan 2020 – Jan 2022 | San Francisco Bay Area
• Designed and documented VPN project framework with network flow and automation flow, and implemented the automation process to build VPN between devices
• Implemented Edge Connection as a service to connect between any colocation and customers’ site, integrated automatic connection with REST API, improved connection latency
• Built logging systems to track all the CRUD operations, and then saved logs on both MongoDB and Elasticsearch via Logstash plug-ins installed in Docker, provided assistants for the system debugging
• Implemented distributed system like for Kubernetes cluster and KubeEdge, supported metadata synchronization between cloud and edge
• Developed frontend UI using JavaScript and React with react-jsonschema-form, implemented UI components including modal creation and form validation

### Python Developer @ Futurewei Technologies, Inc.
Jan 2020 – Jan 2020 | San Francisco Bay Area
• Used Spark to work on big data engineering and big data analysis on Hive database with more than 100GB of live data
• Upgraded Ubuntu servers and set up Yarn services, improved site reliability
• Developed Airflow and applied it for scheduled jobs, provided a more organized framework for running factdata analysis

### Full Stack Python Developer @ The Save Mart Companies
Jan 2019 – Jan 2019 | Dublin, CA
• Implemented RESTful API functionalities by calling Lambda functions with Python on Amazon AWS
• Managed CloudWatch, API Gateway running on Amazon Virtual Private Cloud and tracked logs for live issues
• Used Git version control tool to coordinate project status and procedures and manage different Git versions on AWS CodeCommit

### Data Scientist @ CryptoOracle, LLC
Jan 2018 – Jan 2018 | Greater New York City Area
• Performed data engineering with Python - manipulated SemRush API to form research database, pulled out 200MB of data based on relative keywords in paid search market, and then applied SQL to join data from related industries
• Designed A/B test frames to test outcomes under different incentives for similar testing groups, cleaned up more than 3000 contacts using data engineering methods
• Utilized Machine Learning models to predict index related to paid-search digital market of different industries, including Logistic Regression and Linear Regression; the model predicted a positive prospect for entering the new market
• Constructed regression and cluster models to evaluate whether the industry is suitable for applying new Blockchain technology

### Software Engineer @ Brisqq
Jan 2016 – Jan 2017 | London, United Kingdom
• Developed data processing framework to manipulate RDBMS about e-commerce sales data on AWS
• Optimized courier assignment algorithm with Java using Object Oriented Programming, and plugged in an evaluation system to get the efficient routine optimization solution
• Built API with Java on Xero to automate client invoice system and generated sales analysis report for each client
• Created UI dashboard with Tableau to visualize market research data used to develop extensive market strategies

### Undergraduate Research Opportunity Programme (Mathematics) @ Imperial College London
Jan 2015 – Jan 2015 | South Kensington Campus
• Explored Neumann’s Mean Ergodic Theorem by scientific researching, presented a 25-page report on observations

### A level Mathematics, Further Mathematics and Physics Part-time Teacher @ UK China Student Union
Jan 2014 – Jan 2015 | Brighton
• Tutored A-level (high school) students with their Mathematics, Further Mathematics and Physics, by teaching every two weeks, which improved their final exam grades by 20%
• Arranged mock exams for the students and gave feedbacks, making the students aware of their progress

### Winter Internship Programme @ HSBC
Jan 2011 – Jan 2012 | Ningbo, Zhejiang, China
• Obtained knowledge of marketing, international trade and remittance, etc.
• Learned to adapt fast to new working environment and dedicated to efficient teamwork


## Education
### Master of Science - MS in Applied Analytics
Columbia University
Jan 2018 – Jan 2019

### Master of Science - MS in Project Management
City St George’s, University of London
Jan 2016 – Jan 2017

### Bachelor's degree in Mathematics and Statistics
Imperial College London
Jan 2013 – Jan 2016

### High School in Mathematics, Further Mathematics and Physics
Royal Hospital School
Jan 2011 – Jan 2013


## Contact & Social
- LinkedIn: https://linkedin.com/in/helen-wei-yu
- GitHub: https://github.com/helenyu18

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Source: https://flows.cv/helenweiyu
JSON Resume: https://flows.cv/helenweiyu/resume.json
Last updated: 2026-03-22