John Lavender

John Lavender

United States

Tutor in Computer Science and Programming

Teaches Databases
Newly Joined  

About John

I believe in making complex topics simple through real-world easy-to-understand examples. With experience in the industry and prior experience in tutoring, I am equipped to guide you through numerous computer science topics including programming basics, data structures, design patterns, optimization, and the "do's and don'ts" of LLM-assisted programming.

Resume

2020 — 2023
The University Of Georgia
Bachelor in Bachelor Of Science In Computer Science
United States
Degree verified
2025 — Present
Callibrity
• Developed controller application in Python and Vue.js for greenfield Wingmate AI LLM project which services extraction and summarization of confidential materials for departments at GE Aerospace.
• Volunteered to work on the Chirp Radio project written in TypeScript and React.js for a local radio station.
2024 — 2025
Rocket Partners
• Developed greenfield Lift-on-Anything web app in TypeScript and HTML5 to modernize legacy LIFT Java-based retail system, migrating it from proprietary hardware to a cloud-based deploy-on-anything architecture.
• Led the international expansion of the application to the EU, refactoring core business logic to support multi-tenant architecture, locale-specific regulations, and custom file parsing for regional pricing data.
2023 — 2024
Mckenney\'s Inc.
• Migrated React.js components from JavaScript to TypeScript, improving type safety and reducing bugs by over 50%, while enhancing code documentation and maintainability.
• Optimized application setup and startup by rewriting PowerShell scripts to automate backend authentication processes, reducing manual intervention.
2023 — 2023
University Of Georgia
• Taught programming fundamentals and design principles through lectures and one-on-one mentorship, improving student comprehension.
• Reviewed assignments and provided constructive feedback, while advising students on career development.
2023 — 2023
Ware2go
• Modernized a microservice by migrating it from TypeScript to Kotlin, improving test coverage by 25% and aligning with new data models.
• Designed TypeScript HTTP interceptor to redact sensitive data in DataDog logs, enhancing security compliance.
• Debugged and fixed JSON-parsing issues in Kafka-to-PostgreSQL data pipelines, ensuring reliable streaming.
2023 — 2023
University Of Georgia
• Guided students to grasp object-oriented programming concepts and CS theories, fostering an understanding of the ’why’ behind the code they wrote.
• Facilitated class Q&A sessions on Slack, helping students to bridge the gap between theory and practice.
No certifications added yet.

Top Skills & Expertise

Data Structures And Algorithms

I have 3 years of experience in writing data structures and algorithms in industry-grade codebases, and I have used data structures and algorithmic programming in my own projects as well.

Game Development

I can teach you how to create a game in Java using LibGDX!

Java

I have extensive experience in Java programming and can teach you how to pass a coding interview that requires Java!

Software Engineering

I have a total of 7 years of experience in software engineering with 3 of those years in the industry and 4 of them in academia.

Web Development

Numerous positions I have held over the years have entailed working on web-app projects.

Newly Joined  
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