Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a seasoned software engineer with 25+ years of experience delivering high-quality, high-performance software. I have worked extensively in recent years with TypeScript/JavaScript, Java, GraphQL, React, and Node.js to build scalable, well-designed web applications and APIs. I have functioned as a team lead and architect and have heavily influenced product design in many roles.…

Jeffrey Plemmons

Full Stack Developer, Web Developer, Front-End Developer, +2





I am a seasoned software engineer with 25+ years of experience delivering high-quality, high-performance software. I have worked extensively in recent years with TypeScript/JavaScript, Java, GraphQL, React, and Node.js to build scalable, well-designed web applications and APIs. I have functioned as a team lead and architect and have heavily influenced product design in many roles.…

Available to hire

I am a seasoned software engineer with 25+ years of experience delivering high-quality, high-performance software. I have worked extensively in recent years with TypeScript/JavaScript, Java, GraphQL, React, and Node.js to build scalable, well-designed web applications and APIs.

I have functioned as a team lead and architect and have heavily influenced product design in many roles.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Senior Software Engineer at SAS

June 1, 2024 - Present

Senior-level development focusing on the SAS9 mid-tier. Created an MFA mid-tier application in Java/Ant to configure SAS9 mid-tier products to require an additional authentication factor. Troubleshooted critical issues reported by customers and collaborated with product teams to implement fixes and improvements.

Senior Full Stack Engineer at Goodship

July 1, 2022 - April 2, 2024

Third employee at a pre-seed startup and second engineer. From the ground up helped build a SAAS application to optimize freight spend for companies that ship goods. Modernized a SAAS application using React/TypeScript, Node.js, Next.js, and the MUI framework to create an optimized user experience. Developed highly scalable and performant GraphQL APIs interacting with PostgreSQL databases. Integrated a variety of AWS services for security, authentication, and hosting data and file storage components.

Software Engineer Level 26 at PayPal

December 1, 2019 - July 1, 2022

Created marketing analytics applications to determine target audiences as part of the cash back/reward program. Fully modernized a legacy stack to Java 11 with the Spring Framework. Worked on React/JavaScript components of the production PayPal site, targeting cash back incentives and other reward types. Used Python scripts to create AI/ML-based recommendations for likely future purchases based on recent transaction history. Set up Kafka clusters to handle large volumes of cash back transactions and analytics processing.

UX Engineer (contract) at Google - Nest

August 1, 2018 - December 1, 2019

Developed interactive web tools for the Nest data science team to analyze home camera data and enhance device security mechanisms. Used Python scripts on the backend and React/TypeScript on the frontend. Part of a two-person UI team on a health-care related monitoring application, interfacing with a Java-based backend that served as an endpoint for Google Home devices.

Senior Java Analytics Architect at Apple

August 1, 2017 - August 1, 2018

Designed and implemented new features for a Java/Elasticsearch-based search application for litigation document search and discovery. Built a React-based UI for rapid keyword search across a large legal document database. Implemented scalable backend processes and coordinated with teams to ensure high-availability search capabilities.

Lead Software Developer / Architect at Deutsche Bank

August 1, 2014 - July 1, 2015

Led software development and architecture for enterprise-grade Java applications. Designed and delivered features for a litigation/document search and discovery platform, emphasizing reliability and scalability.

Senior Java Analytics Architect at IBM

March 1, 2013 - August 1, 2014

Led analytics architecture for Java-based data processing and large-scale data integration projects. Built data pipelines and analytics components to support enterprise requirements.

Java Developer (Contract) at American Kennel Club

June 1, 2012 - March 1, 2013

Contract-based Java development work on core applications, contributing to backend services and data processing tasks.

Java Web Developer (Contract) at BB&T

May 1, 2011 - June 1, 2012

Java web development work on banking applications, implementing robust backend services and APIs.

Software Consultant (Java) at Ciber

August 1, 2010 - May 1, 2011

Contract-based software consulting focusing on Java development for client projects.

Linux/UNIX Software Engineer (Perl/Java) at LSSI

January 1, 2005 - January 1, 2010

Linux/UNIX software engineering roles covering Perl and Java for infrastructure and tooling.