# Maidi Lin

> Software Engineer | Backend Engineer | Fullstack Engineer | Java | TypeScript | React | AWS | PHP

Location: New York, New York, United States
Profile: https://flows.cv/maidi

I'm a software engineer with experience in Backend and Fullstack engineering. I have 8 years of full-time software engineering experience and 2 years of internship experience. Always learning and building my skills and experience.

## Work Experience
### Software Engineer @ Meta
Jan 2024 – Present | New York, New York, United States
- Designed and deployed role-based access control (RBAC) to enforce modifications across thousands of promotions reducing unauthorized access incidents to 0%
- Built core validation and review infrastructure for new marketing workflow platform enabling AI brief–to-workflow generation to ensure correctness and reliability of promotional workflows at billion-user scale
- Built key components of a promotions governance system, introducing performance dashboards and automated regression detection to safeguard campaign reliability
- Enhanced platform reliability by improving GraphQL APIs and modernizing React/Relay-based internal tooling, increasing developer efficiency and system consistency

### Software Engineer II (SDE II) @ Amazon
Jan 2020 – Jan 2024 | Seattle, Washington, United States
- Designed and led project to expand recommendation feature to a platform serving recommendations by multiple sources 
- Designed ingestion pipelines in Java to index and serve new recommendations using data from providers using SQS and DDB
- Designed APIs in Java for clients to flexibly query new recommendations using DDB and ElasticSearch

### Software Engineer I (SDE I) @ Amazon
Jan 2018 – Jan 2020 | Seattle, Washington, United States
- Designed and implemented new sounds action end-to-end used by hundreds of thousands of customers
- Implemented APIs in Java and their corresponding app components in TypeScript in React Native for serving routine content in the Alexa App

### Software Development Engineer Intern @ Amazon
Jan 2017 – Jan 2017 | Seattle, Washington, United States
- Designed and implemented distributed search indexer in Java for data center information using AWS technologies such as ElasticSearch, SQS 
- Designed grammar for constructing search queries using ANTLR

### Software Engineer Intern @ Aetion, Inc.
Jan 2017 – Jan 2017 | New York, New York, United States
- Implemented a module that produces descriptive statistics from patient data sets
- Developed simple UI for scientists to execute analyses on the module using Angular.js

### Software Engineering Intern @ BitTitan
Jan 2016 – Jan 2016 | Kirkland, Washington, United States
- Designed and implemented new concurrent infrastructure to improve file scan throughput of TBs of data by 200% in C#
- Expanded Windows-specific C++ device management agent to be compatible with OSX using Objective-C

### Software Engineering Intern @ Toast, Inc.
Jan 2015 – Jan 2015 | Boston, Massachusetts, United States
- Implemented and launched online food ordering platform end-to-end in AngularJS and Java Play Framework

### Junior Software Developer @ GroupBy Inc.
Jan 2015 – Jan 2015 | Toronto, Ontario, Canada
- Integrated Docker containers with build systems such as Maven and Grunt
- Prototyped using Kubernetes orchestration for team’s services
- Implemented chat bot for standardizing and simplifying development processes

### Computer Engineering Intern @ Trench Group
Jan 2014 – Jan 2014 | Toronto, Ontario, Canada
• Converted Fortran program to a MVC website using C#.NET, HTML, CSS, JavaScript


## Education
### Bachelor’s Degree in Computer Engineering
University of Waterloo
Jan 2013 – Jan 2018


## Contact & Social
- LinkedIn: https://linkedin.com/in/maidilin

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Source: https://flows.cv/maidi
JSON Resume: https://flows.cv/maidi/resume.json
Last updated: 2026-03-23