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Masaki N.
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Masaki N.

Data Scientist | Algorithm Developer | Health & NeuroTech | ExG expert

Let's make the world healthier! I am a data/research scientist with 10+ years of deep involvement in neuroscience, biomedical engineering, and clinical research. My background includes digital signal processing, machine learning, statistical modeling & testing, and research design. Successfully-completed projects: 1. Automatic EEG artifact detection and editing 2. Time-series action recognition using acoustic and accelerometric data 3. Heartbeat-related ERP (HEP) visualization 4. ABX testing on food samples 5. Designing wearable sensors 6. Human performance analysis using PPG and GSR data 7. Heart-rate variability (HRV)-based clinical diagnosis 8. Implementing an online EEG/SSVEP-based brain-computer interface (BCI) 9. Automatic sleep-stage classification using deep neural network 10. Unsupervised clustering (Kmeans, UMAP) clinical data for individualized medicine 11. Academic research (50+ peer-reviewed articles, 3000+ citations, 100+ peer-reviews) Skillset: - Programming: Python, MATLAB, R, BigQuery - ML libraries: Scipy, Scikit-Learn, Pytorch, Pandas, Numpy - Data visualization: Matplotlib, ggplot2, Tableau - Electrophysiology: EEG (research-grade/wearable), ECG, EMG, EOG, PPG, GSR, accelerometer - Data acquisition: LabStramingLayer (LSL) - EEG analysis: EEGLAB, MNE - Version control: Github - Editing: LaTeX, BibTex

🇺🇸San Diego, United States$130/hr100% JSS5.00 (4)Since Nov 2022

Earnings and projects

MRR
$5.6k

Last 6 months ÷ 6

World#4,430 / 412k
🇺🇸Country#1,548 / 62.1k
Revenue, last 30 days
$4.3k

Last 6 months: $33k

World#7,327 / 412k
🇺🇸Country#2,173 / 62.1k
Total earnings
$145k

Billed in all: $152k

World#24,614 / 412k
🇺🇸Country#5,480 / 62.1k
Per project
$12k

$33k in the last 6 months

World#12,468 / 412k
🇺🇸Country#2,149 / 62.1k
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇺🇸Country#16,472 / 62.1k
Projects in all
12

Across 14 contracts

79% fixed21% hourly
World#183,649 / 412k
🇺🇸Country#26,220 / 62.1k

Earnings, last 30 days

$152k+$4.3k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$147.5k$150.0k$152.5kOct 8Oct 23Nov 7

Skill rankings: #1 in 1 skill of 15

Rarest: top 0.29% in Scientific Writing, of 1,037. Ranked by MRR among everyone on Upwork with the skill.

  1. 1Logistic Regression86 freelancers · 🇺🇸 #1Top 1%
  2. 2Time Series Analysis255 freelancers · 🇺🇸 #2Top 0.78%
  3. 2Biomedical Engineering80 freelancers · 🇺🇸 #2Top 3%
  4. 3Scientific Writing1,037 freelancers · 🇺🇸 #2Top 0.29%
  5. 3Linear Regression165 freelancers · 🇺🇸 #1Top 2%
  6. #7MATLAB1,229 freelancers · 🇺🇸 #1Top 0.57%
  7. #10Python Scikit-Learn555 freelancers · 🇺🇸 #4Top 2%
  8. #15Statistical Analysis987 freelancers · 🇺🇸 #9Top 2%