I am a good software engineer.

Barney Jin

I am a good software engineer.

Available to hire

I am a good software engineer.

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Work Experience

Staff Software Engineer at Advanced Cad Cam Service (EngineeringPeople)
September 1, 2024 - Present
Co-founded Go Birdie Go, the ultimate golf putting app. Led UI development with Dart and Material components; implemented backend endpoints using Firebase and Cloud Firestore to manage user data; created Firebase Cloud Functions to maintain the user/subscription database.
Senior Developer and Architect for Tracktor Application at John Deere
January 31, 2024 - October 23, 2025
Designed and implemented application infrastructure using Terraform on AWS, built a CI/CD pipeline with Jenkins; hosted Next.js on ECS with Fargate and routed to internal DNS; implemented HR API endpoint with OAuth 2.0 Bearer token.
Full-stack Developer for Security Access Control (SAC) Application at John Deere
July 31, 2023 - October 23, 2025
Researched and developed Next.js applications and integrated with new software tools; leveraged TanStack Query and Jotai for API fetching and state management; created Prisma schemas to support multiselect features; SAC saves $30,183.33 and 174.9 hours annually at John Deere Financial.
Frontend Developer for Quality Metrics Application at John Deere
December 31, 2022 - October 23, 2025
Built a React app using TypeScript with a Node server; implemented endpoints that consumed the internal Incidents API with Basic Auth and fed data into the NLP system; developed an NLP search bar returning the most relevant outage incidents.
Data Analyst Intern at O2Micro International Limited
August 31, 2021 - October 23, 2025
Conducted data extraction from experiments on different batteries and recorded data in Excel; applied Principal Component Analysis to identify significant components; improved experiment efficiency by 25% and provided insights to the lead engineer.

Education

Master of Computer Science at University of Illinois at Urbana-Champaign
January 1, 2024 - May 1, 2025
Bachelor of Science in Mathematics and Computer Science at University of Illinois at Urbana-Champaign
August 1, 2019 - May 1, 2023

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Education, Media & Entertainment, Computers & Electronics