Nick Sullivan
Senior Principal Software Engineer at Baxter International Inc.
Florence, Kentucky, United States
Summary
👤
Senior🎓
Top SchoolNick Sullivan is a Senior Principal Software Engineer with 12 years of experience building and modernizing full-stack web applications, currently driving core features for Voalte Mobile's care communications suite at Baxter International. He specializes in JavaScript and Node.js ecosystems—shipping backend services in TypeScript/NestJS and GraphQL subgraphs, and modern front-ends with Next.js, React, and Material UI. Known as the go-to troubleshooter for critical production incidents, he combines rapid hotfix leadership with pragmatic technical debt reduction rooted in deep historical debugging. Nick has led major modernization efforts for high-profile government and healthcare products, improving build performance and migrating legacy functionality to secure, scalable platforms. Comfortable working with minimal oversight, he also hires and mentors engineers and owns end-to-end delivery from discovery to launch. Based in Florence, Kentucky, he pairs strong execution with a knack for turning messy legacy systems into maintainable, real-time user experiences.
12 years of coding experience
10 years of employment as a software developer
Bachelor of Science (BS) Bachelor of Arts (BA) Computer Science and Media Informatics, Bachelor of Science (BS) Bachelor of Arts (BA) Computer Science and Media Informatics at Northern Kentucky University
Stackoverflow
5,719reputation
820kreached
65answers
11questions
javascript
top-1%
Github Skills (103)
python10
javascript10
api10
clarity10
html10
sequelizejs10
uswds10
nodejs10
accessibility10
bootstrap10
css10
sass10
responsive10
frontend10
seo9
Programming languages (11)
Github contributions (5)
ncksllvn/graphql-chess-server
Nov 2019 - Jun 2020
A Node.js GraphQL server for powering chess
Contributions:140 commits, 40 pushes, 1 branch in 7 months
node-jsexpressgraphql-servernodejsgraphql
ncksllvn/nicksullivan.xyz
Jun 2017 - Sep 2021
Contributions:20 pushes, 5 branches in 4 years 3 months
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