Expert:
R, Python, RStudio, Jupyter Notebook

Proficient:
Spark, C#, MATLAB, LINGO, WordPress, JupyterLab

Working Knowledge:
JavaScript/React, Django, CSS/Bootstrap, VB.Net, C++, FORTRAN 

Expert:
Excel, Power BI, Pandas, NumPy, data.table, tidyverse, ggplot2

Proficient:
Spark, R Shiny, Fabric, Matplotlib, Seaborn, Tableau

Working Knowledge:
SSRS, JavaScript/React, plotly (R/Python) 

Expert:
Power BI, Access, MS SQL Server, Azure Data Studio

Proficient:
MySQL, PostgreSQL, SQLite, Databricks (Spark, Unity Catalogue, Delta Lake), Fabric, Azure (Blob)

Working Knowledge:
MySQL Workbench, pgAdmin 

Expert:
scikit-learn, caret

Proficient:
Databricks ML, MLflow, Spark MLlib, Keras, XGBoost, LightGBM, randomForest/ranger (R)

Working Knowledge:
TensorFlow, PyTorch, tidymodels

Expert:
Excel (Power Query, PivotTables/Charts), Power BI (DAX, dashboards)

Proficient:
R Shiny, SPSS, Spark, Fabric

Working Knowledge:
Tableau, SSRS

Expert:
...

Proficient:
Azure (Admin, Compute, ML, Databricks, Data Factory, Synapse), Fabric, HPC PBS Pro

Working Knowledge:
AWS (EC2, S3)

Expert:
R, Python

Proficient:
QGIS, ArcGIS

Working Knowledge:
MapWindow 

Expert:
SourceTree, GitHub Desktop

Proficient:
Subversion

Working Knowledge:
Git Bash

Expert:
Trello 

Proficient:
Asana, Microsoft Project

Working Knowledge:
Jira

Expert:
APSIM, APSIM NextGen, AquaCrop, SiriusQuality, DSSAT, ORYZA, WOFOST, CropWAT, SWAP, SWAT, WinSRFR, HEC-RAS

Proficient:
CLEM, TUFLOW, HEC-HMS, WaterGEMS, SWMM, WEAP

Working Knowledge:
REALM, DRAINS, SIRIUS

Expert:
Excel, Word, PowerPoint, Visio, Google Docs, Google Sheets

Proficient:
Adobe Photoshop, Adobe Premiere

Working Knowledge:
...