# Jeffery Chen

> Software Engineer | Backend & Cloud

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

Software Engineer since 2017. I love what I do.

## Work Experience
### Software Engineer @ Cadence
Jan 2024 – Present

### Senior Software Engineer @ Samsara
Jan 2017 – Jan 2024
Stack: Golang, AWS, GraphQL, C, SQL

Data Ingestion Team
The data ingestion team was responsible for the development and maintenance of Samsara's time series data store system, which collected data from IOT gateways and third party sources and made it usable.
- Designed and implemented mechanisms to optimize AWS S3 costs of underlying data store system, achieving savings of more than $700k/year.
- Lead cross-functional efforts between firmware and backend to provide additional functionality to IOT gateways. This included, but was not limited to, the building and maintenance of additional AWS infrastructure to provide faster device configuration, reduced over the wire data usage, and reduced disk space requirements via new protocol design.

Industrial Machine Vision
The industrial machine vision team was a small, agile business unit responsible for bootstrapping new hardware and software products for machine vision use cases within the industrial space.
- Implemented various IoT related features for sensors and gateways, including networking configuration, device provisioning, and OTA upgrades.

### Firmware Engineer Intern @ Apple
Jan 2016 – Jan 2016 | Cupertino
- Designed and implemented firmware features for ARM Cortex-M3 embedded system using UART, SPI, USB, I2C, timer peripherals, INAs, ADCs, DACs, and custom protocols
- Gained experience writing low level real-time code, test harnesses, and peripheral drivers 
- Learned and used Swift for MacOS application development used in communicating with embedded system

### Engineering Intern @ Apple
Jan 2015 – Jan 2015
•	Designed and implemented feature sets for internal automation framework of iOS software components using Python
•	Prototyped Arduino board that interfaces with high voltage hardware

### Student Design Engineer @ Evertz
Jan 2015 – Jan 2015 | Markham
- Designed and refactored multicast packet detection software module for IP-based video service router using C and C++ in a Linux system
- Developed a C-script and an accompanying webpage for converting binary settings data to JSON format
- Refactored profiling module to measure peak bandwidth consumption in video router

### Application Developer @ Christie Digital Systems
Jan 2014 – Jan 2014
- Developed features for Linux touchscreen application for cinema projectors using C++ and QML within the Qt framework
- Designed and implemented new visual control classes with deeply customizable features (e.g. spinners)

### Software Test Associate @ Intelligent Mechatronic Systems - IMS
Jan 2013 – Jan 2013 | Waterloo, Ontario
- Wrote automation scripts in Python and Java which are used to provide expanding unit test coverage
- Learned and applied various testing methodologies (unit testing, black-box, white-box)

### Mobile Application Developer @ PwC
Jan 2013 – Jan 2013 | Toronto, Canada Area
Developed business-oriented Blackberry hybrid applications using HTML 5, Javascript, and CSS


## Education
### Bachelor of Applied Science - BASc in Mechatronics
University of Waterloo

### High School Diploma
Dr.Norman Bethune C.I


## Contact & Social
- LinkedIn: https://linkedin.com/in/jeffery-yukang-chen

---
Source: https://flows.cv/jefferychen
JSON Resume: https://flows.cv/jefferychen/resume.json
Last updated: 2026-04-13