preston.chen · portfolio · v2
Robotics & Data
Systems — Booting
initializing kinematics model →
pose · state
paramval
x0.42
y1.17
θ0.08
v0.65
ω0.21
differential drive
ẋ = v · cos θ
forward velocity in x
ẏ = v · sin θ
forward velocity in y
θ̇ = (vᴿ − vᴸ) / L
heading rate from wheels
energy landscape
Δxcost(q)Δy
loading000 / 100

Preston Chen

Data Quality Engineer

Portland

45.5152°N 122.6784°W

Data quality engineer with 5+ years in software engineering. I build tooling, validate data pipelines, and care about what happens downstream when labels are wrong. Building toward simulation engineering for robotics.

PYTHON*
DATA QUALITY*
TYPESCRIPT*
SQL*
DOCKER*
REST APIs*
GRAPHQL*
DATA PIPELINES*
REACT*
GIT*
NODE.JS*
COMPUTER VISION*
DEEP LEARNING*
ANNOTATION TOOLING*
ISAAC SIM*
ROS 2*
OPENUSD*
PYTHON*
DATA QUALITY*
TYPESCRIPT*
SQL*
DOCKER*
REST APIs*
GRAPHQL*
DATA PIPELINES*
REACT*
GIT*
NODE.JS*
COMPUTER VISION*
DEEP LEARNING*
ANNOTATION TOOLING*
ISAAC SIM*
ROS 2*
OPENUSD*
PYTHON*
DATA QUALITY*
TYPESCRIPT*
SQL*
DOCKER*
REST APIs*
GRAPHQL*
DATA PIPELINES*
REACT*
GIT*
NODE.JS*
COMPUTER VISION*
DEEP LEARNING*
ANNOTATION TOOLING*
ISAAC SIM*
ROS 2*
OPENUSD*
PYTHON*
DATA QUALITY*
TYPESCRIPT*
SQL*
DOCKER*
REST APIs*
GRAPHQL*
DATA PIPELINES*
REACT*
GIT*
NODE.JS*
COMPUTER VISION*
DEEP LEARNING*
ANNOTATION TOOLING*
ISAAC SIM*
ROS 2*
OPENUSD*

Experience

Projects

01LIVE

STATSTACKS

Options, futures & equities analysis.

Pricing signals, flow, and chain-level analytics built for self-directed traders. Surfaces what the raw data is actually saying.

NEXT.JSTYPESCRIPTPYTHONMARKET DATA
VISITstatstacks.io
02IN PROGRESS
FPS 62LAT 14ms
TOPICS
/cmd_vel
/odom
/imu/data
/tf

TELEMETRY DASHBOARD

Live operator view for robotic systems.

Real-time telemetry panel for robotic agents — topic activity, control-loop latency, and sensor health. Built toward sim-to-real workflows with ROS 2.

ROS 2REACTWEBSOCKETSD3
Coming soon

Currently Building

MS DATA SCIENCE

University of Colorado Boulder — Computer Vision, Deep Learning, Modern AI Models for Vision

SIMULATION ENGINEERING

Isaac Sim, ROS 2, OpenUSD — working toward sim-to-real data pipelines for robotics