Timothy Mastny
Software Engineer at Wave Mobile Money
Omaha, Nebraska, United States
Summary
🤩
Rockstar🎓
Top SchoolTimothy Mastny is a software engineer in Omaha with 8 years of experience blending data science and full-stack development across fintech and analytics teams. He transitioned from predictive and senior data analyst roles into software engineering at Wave Mobile Money, bringing strong statistical training from graduate studies in statistics and a 3.9 BS in mathematics. Timothy contributes to notable open-source R projects—improving UI components and input handling in RStudio’s widely-used Shiny and enhancing ggplot2 faceting utilities in tidytext—demonstrating practical front-end JavaScript and data-visualization skills. His background includes internships at RStudio and multiple summers at JPL, reflecting a knack for applied research and automation in high-integrity environments. Colleagues can expect a pragmatic engineer who moves fluidly between data modeling, UI polish, and performance fixes to deliver user-focused analytics features.
8 years of coding experience
4 years of employment as a software developer
Graduate Studies, Statistics, Graduate Studies, Statistics at University of Nebraska at OmahaBachelor of Science (B.S.), Mathematics, 3.9, Bachelor of Science (B.S.), Mathematics, 3.9 at University of Nebraska-Lincoln
Github Skills (17)
javascript10
r10
shiny10
tidy10
tidyr10
web-development10
ggplot10
date-formatting9
tidyverse9
date-format9
natural-language-processing9
time-format9
datetime-format9
css8
testthat8
Programming languages (11)
Github contributions (5)
juliasilge/tidytext
Mar 2018 - Apr 2020
Text mining using tidy tools :sparkles::page_facing_up::sparkles:
Role in this project:
Data Scientist
Data ScientistContributions:6 commits, 2 PRs, 1 comment in 2 years 1 month
Contributions summary:Timothy contributed to the `tidytext` repository by implementing and testing the `reorder_within` function. This function is designed to reorder categorical variables within facets in ggplot2 plots. The user added functionality to handle reordering within multiple variables and included visual tests to ensure the correct behavior of the function. The user also updated the parameter description and added an example, making the function easier to understand and use.
pythonminingtidytext-miningsparkles
rstudio/shiny
Jun 2018 - Jun 2018
Easy interactive web applications with R
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:17 commits, 6 PRs, 20 comments in 18 days
Contributions summary:Timothy primarily contributed to the `shiny` repository, focusing on enhancements to the user interface and select input components. Their work included fixing bugs, improving performance in R input processing, and modifying JavaScript code for selectize features. Further contributions involved updating the slider input widget to support date and datetime formatting.
web-applicationsweb-appshinyrstudioweb-development
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