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Hi, I’m Eric T. Lee, a full-stack software engineer based in Chicago, IL. I have 4 years of experience building scalable web applications with Ruby on Rails and React, delivering robust back-end APIs and polished front-end experiences. I’m passionate about mentoring developers and leading technical initiatives, with a focus on optimizing database performance, implementing secure authentication, and cloud deployments in education and healthcare. I value collaboration, clean code, and continuous learning.…Hi, I’m Eric T. Lee, a full-stack software engineer based in Chicago, IL. I have 4 years of experience building scalable web applications with Ruby on Rails and React, delivering robust back-end APIs and polished front-end experiences. I’m passionate about mentoring developers and leading technical initiatives, with a focus on optimizing database performance, implementing secure authentication, and cloud deployments in education and healthcare. I value collaboration, clean code, and continuous learning.

Eric T. Lee

Full Stack Developer, Web Developer, Front-End Developer, +3

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Hi, I’m Eric T. Lee, a full-stack software engineer based in Chicago, IL. I have 4 years of experience building scalable web applications with Ruby on Rails and React, delivering robust back-end APIs and polished front-end experiences. I’m passionate about mentoring developers and leading technical initiatives, with a focus on optimizing database performance, implementing secure authentication, and cloud deployments in education and healthcare. I value collaboration, clean code, and continuous learning.…Hi, I’m Eric T. Lee, a full-stack software engineer based in Chicago, IL. I have 4 years of experience building scalable web applications with Ruby on Rails and React, delivering robust back-end APIs and polished front-end experiences. I’m passionate about mentoring developers and leading technical initiatives, with a focus on optimizing database performance, implementing secure authentication, and cloud deployments in education and healthcare. I value collaboration, clean code, and continuous learning.

Available to hire

Hi, I’m Eric T. Lee, a full-stack software engineer based in Chicago, IL. I have 4 years of experience building scalable web applications with Ruby on Rails and React, delivering robust back-end APIs and polished front-end experiences.

I’m passionate about mentoring developers and leading technical initiatives, with a focus on optimizing database performance, implementing secure authentication, and cloud deployments in education and healthcare. I value collaboration, clean code, and continuous learning.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Software Engineer at Meazure Learning

June 1, 2025 - June 1, 2025

Implemented OAuth 2.0 authorization flow for LMS integrations, enabling secure token-based authentication between LMS, eliminating password sharing and supporting 10,000+ student accounts. Designed RESTful APIs using Ruby on Rails for exam delivery and student response handling, implementing secure authentication and data validation. Led a Power BI integration to replace Tableau reports, building secure token authentication APIs in Rails and interactive dashboards with JavaScript. Containerized Rails services with Docker and managed deployments via Portainer and AWS ECS for deployment consistency and scalability. Managed end-to-end deployment processes using AWS CodePipeline across multiple environments. Optimized ActiveRecord queries through eager loading and query refactoring, reducing page load times by 25% and eliminating N+1 bottlenecks for thousands of records.

Engineering Mentor at Actualize Coding Bootcamp

March 1, 2025 - March 1, 2025

Collaborated with students to build and deploy an end-to-end React application, guiding version control, project structure, and deployment on Netlify. Facilitated code reviews, offering constructive feedback to help students improve Ruby on Rails skills, providing one-on-one assistance and group tutoring. Conducted algorithm sessions to deepen understanding of data structures and algorithms in Ruby and JavaScript, emphasizing time/space complexity and optimization techniques. Optimized ActiveRecord queries with eager loading and query refactoring, reducing page load times by 25% and eliminating N+1 bottlenecks. Served as a resource for career development, sharing job-search insights and helping students develop a professional online presence.

Project Manager at SAC Wireless

June 1, 2021 - June 1, 2021

Owned the project lifecycle from requirements gathering through delivery, maintaining a prioritized backlog and driving timely, high-quality execution across multiple infrastructure projects. Led cross-functional collaboration between four engineering vendors and internal teams, ensuring all deliverables met technical requirements and quality standards, resulting in the deployment of 20+ telecom infrastructure projects on time within scope. Partnered with stakeholders to define and refine functional specs and change requests, translating evolving business needs into actionable plans and timelines using Salesforce. Managed evolving project scopes using Salesforce, reducing miscommunication and ensuring on-time delivery across concurrent initiatives.