JON ZELOOF
Reston,VA
Summary
Accomplished software engineer with expertise in JavaScript and React, previously at R3 Business Solutions. Spearheaded AI system development, enhancing client contract success. Proven leader with military experience, adept at translating complex requirements into intuitive solutions. Boosted application performance by over 40%, demonstrating strong problem-solving and communication skills.
Overview
12
12
years of professional experience
Work History
Software Engineer and Professional Services
R3 Business Solutions
Reston, Virginia
09.2024 - Current
- Pioneered and implemented a first-of-its-kind AI system used for reading, summarizing, and filling out government contracts, directly enabling clients to win and manage multi-hundred-million-dollar contracts.
- Led a critical architectural modernization initiative, successfully migrating core data structures from legacy XML/XSLT to modern JavaScript and Node.js, improving maintainability, and product performance.
- Designed and implemented complex front-end pages featuring sophisticated data visualization tools and graphs to provide crucial insights derived from AI processing for contract bidding.
- Maintained core SaaS product lines, and worked closely with customers to translate complex contractual requirements into intuitive features.
Lead FullStack Developer
Grow With Trees
Reston, Virginia
08.2023 - 09.2024
- Engineered and deployed the full-stack architecture of a commercial mobile application using Expo, React Native, and a Node.js backend.
- Increased application uptime to 99.9% by overhauling server infrastructure using Nginx on CentOS 7, and S3 on AWS.
- Optimized API integrations and routing, resulting in 40% faster rendering times, and superior application performance.
- Designed and implemented complex features, including a real-time messenger system, and a custom JWT authentication system.
Squad Leader
United States Marine Corp
Camp Lejeune, United States
08.2013 - 08.2017
- Led multiple infantrymen across two deployments, demonstrating exceptional leadership, accountability, and operational effectiveness in high-pressure environments.
- Managed a team of 20 personnel across multiple operational deployments, ensuring consistent unit readiness and mission success.
- Executed high-pressure military tasks and managed over $300,000 worth of government equipment, ensuring strict accountability of personnel and assets.
Education
Full Stack Development - Web Development and Coding
Fullstack Academy
New York04.2023
Chemistry -
Raritan Valley Community College & Rutgers University
New Brunswick08.2019
Skills
- JavaScript and TypeScript
- React and React Native
- HTML and CSS
- API development
- Expressjs and Nodejs
- Database management (MySQL, MongoDB)
- Version control (Git, GitHub)
- Security protocols (SSL, SSH)
- Routing and middleware
- Testing methodologies (TDD)
- Object-oriented programming (OOP)
- Real-time messaging (NATS)
- Caching strategies (Redis)
- Web server configuration (Nginx)
References
References available upon request.
Timeline
Software Engineer and Professional Services
R3 Business Solutions
09.2024 - Current
Lead FullStack Developer
Grow With Trees
08.2023 - 09.2024
Squad Leader
United States Marine Corp
08.2013 - 08.2017
Full Stack Development - Web Development and Coding
Fullstack Academy
Chemistry -
Raritan Valley Community College & Rutgers University