# Justin Lee

> Software Engineer @ Abacus.AI

Location: San Jose, California, United States
Profile: https://flows.cv/justinlee6

Computer Science graduate with hands-on experience in full-stack web development and cloud technologies.

## Work Experience
### Software Engineer @ Abacus.AI
Jan 2026 – Present
Full-Stack Development in DeepAgent

### Software Engineer @ Abacus.AI
Jan 2025 – Jan 2025 | San Francisco, CA
Developing AbacusAI Chrome Extension, an agentic AI assistant that automates browser tasks.

### Software Engineer @ Delta Labs
Jan 2025 – Jan 2025 | Nashville, TN
● Built and maintained core workflows including orders, recurring scheduling, inventory reconciliation (FIFO), batch and harvest logging, recipes, and product pricing. Delivered more than 120 full-stack improvements using React, Flask, PostgreSQL, and Docker.
● Implemented major backend architecture upgrades including multi-table schema redesigns, entity normalization, optimized expiration logic, and new REST API endpoints that support real-time inventory and order operations.
● Worked closely with clients through iterative review meetings to clarify requirements, validate UX decisions, and ensure each feature matched real operational workflows.

### Software Engineer Intern @ Delta Labs
Jan 2025 – Jan 2025 | Nashville, Tennessee, United States
● Designed and implemented 7+ responsive frontend pages using React.js and TypeScript, delivering key workflows
● Refactored a legacy Flask backend by decoupling tightly coupled components, introducing a DAO layer, and optimizing database access with a connection pool, reducing query times by over 70%
● Deployed the full-stack app on Google Cloud Compute Engine with Dockerized NGINX, React, and Flask services, leveraging Google Artifact Registry and GCP Secrets Manager for secure, scalable deployment

### Lead Code Coach @ theCoderSchool
Jan 2021 – Jan 2025 | United States
● Lead and organize anywhere from 2-5 staff and 10-16 students to create a safe and productive learning environment in the classroom.
● Guide students from anywhere between ages of 8-17 on programming concepts leveraging languages like Python, Java, and Lua.
● Coordinate with parents and other instructors to develop individual learning plans, ensuring that each student receives personalized support and guidance.
● Apply project-based learning and analyze student growth to adjust teaching and project difficulty depending on skill and age. Provide 1-on-1 tutoring with upwards of 8 different students per week.

### Software Engineer Intern @ Cadence
Jan 2025 – Jan 2025 | San Jose, California, United States
● Rebuilt a 5-year-old HTML-to-PDF generator for the Technical Publications team, designing a modern Python solution with BeautifulSoup to combine and standardize over 70+ HTML files into a single, professional PDF document.
● Proposed and implemented a scalable architecture by converting individual HTML files into PDFs before merging, enabling processing of 1,000,000+ lines of HTML without crashing headless browser tools like Playwright.
● Optimized script runtime by over 60% through multiprocessing and efficient memory management, reducing generation time from ~20 minutes to under 8 minutes on large file sets.

### Software Engineer Technical Lead @ Arctex
Jan 2025 – Jan 2025
● Oversaw a team of 6 engineers, providing technical guidance, code reviews, and sprint planning support
● Built a CI/CD pipeline using GitHub Actions to automate deploying to AWS Fargate, eliminating the need for manual intervention and saving 5+ minutes per deployment, accelerating development iteration and reducing friction.
● Improved code quality and team efficiency by integrating ESLint and Prettier into GitHub Actions, reducing formatting and linting issues in PRs and streamlining reviews.

### Software Engineer @ Arctex
Jan 2025 – Jan 2025
● Dockerized and deployed MERN app using AWS Fargate with an ALB for scalable hosting, while leveraging Cloudflare for enhanced security and firewall protection.
● Implemented cross-authentication between the website and extension, enabling secure user login and session persistence.
● Designed a flexible MongoDB schema to efficiently store large amounts of variable HTML ID fields across multiple websites, supporting over 100 top-level attributes.

### Software Engineer Intern @ Arctex
Jan 2024 – Jan 2024
● Implemented secure payment endpoints using the Stripe API, enabling seamless transaction processing for the CollegeAppAssist website.
● Integrated infrastructure for payment workflows, including Stripe Webhooks to handle real-time event updates such as subscription updates and transactions.
● Analyzed the existing codebase and refactored endpoints to be more modular, improving scalability and maintainability.

### Backend Team Lead @ SJSU Computer Science Club
Jan 2024 – Jan 2025
● Oversaw the development of a relational database using PostgreSQL. Holds over 12 tables and over 30,000 data entries, while also focusing on refining and ensuring efficient data management.
● Developed a secure login system using Google OAuth, leveraging Django and Next.js.
● Communicated with a team of 10 members during weekly meetings to brainstorm ideas, plan project logistics, and execute project activities.

### Full Stack Developer @ SJSU Computer Science Club
Jan 2023 – Jan 2024
● Scraped and cleaned over 25,000 data entries consisting of reviews, professor data, and course information for use in a SJSU Course Scheduler Application, leveraging Selenium, BS4, and Pandas.
● Developed RESTful API endpoints in Django for CRUD user actions, ensuring efficient data handling and seamless integration with the frontend.
● Designed and implemented a user profile page for the club website using React.js, focusing on intuitive UI/UX, dynamic user data display, and profile customization features.

### Undergraduate Research Assistant @ San Jose State University
Jan 2024 – Jan 2025 | San Jose, California, United States
Currently conducting research under Professor Saptarshi Sengupta on fine-tuning large language models to enhance predictive capabilities in the healthcare sector.

### Software Engineer Intern @ TheTypingSchool
Jan 2024 – Jan 2025
● Restructured and refactored the Express.js codebase to be more modular, efficient, and adhere to software design principles, decreasing endpoint completion times by 20%.
● Integrated OpenAI Batch API and node-cron to automatically generate new typing text for users every month, enhancing engagement and variety in typing challenges

### Software Engineer Intern @ TheTypingSchool
Jan 2024 – Jan 2024 | San Francisco, California, United States
● Led and organized a team of interns to develop key features that enables users to claim rewards upon completing daily missions, resulting in a more engaging user experience through faster progression.
● Designed the leveling roadmap and rewards system, creating a structured progression path and corresponding Express.js endpoints to track and encourage user growth, while adhering to UI/UX design principles to ensure clarity, consistency, and ease of use.
● Designed and built a feature for user profile customization, creating endpoints for profile picture uploads, title selections, and name changes, allowing users to personalize their profiles.

### Summer Intern @ City & County of San Francisco - Police Department
Jan 2020 – Jan 2020 | San Francisco, California, United States
● Worked with the SFPD's Youth and Community Engagement Unit in the nonprofit organization, Future Graduates. 
● Learned to collaborate with others in a group
● Communicate effectively with peers in a professional environment
● Used technology to 3D model structures and conduct research projects


## Education
### Bachelor of Science - BS in Computer Science
San José State University

### High School Diploma
George Washington High School


## Contact & Social
- LinkedIn: https://linkedin.com/in/lee-justin-j
- Portfolio: https://justinlee.dev/

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Source: https://flows.cv/justinlee6
JSON Resume: https://flows.cv/justinlee6/resume.json
Last updated: 2026-04-11