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Russell Ballestrini
Coursemojo logo
Full Stack EngineerFull Stack Engineer
Coursemojo · Full-timeCoursemojo · Full-time Oct 2022 - Present · 1 yr 9 mosRussell Ballestrini
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Experience
==========
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**Coursemojo** - *Remote, 10/2022 - Present* Full Stack Engineer
Responsibilities:
Deployment Pipelines & CI/CD:
Designed and implemented deployment pipelines and CI/CD processes for two monolithic applications and several microservices.
Utilized AWS CloudFormation and AWS Serverless Application Model (SAM) for infrastructure as code.
Employed GitHub Actions for continuous integration and continuous deployment.
Managed container images with AWS Elastic Container Registry (ECR).
Infrastructure Management:
Deployed applications using Application Load Balancers (ALB) and Amazon ECS Docker containers.
Configured containers to run Nginx and uWSGI with Gevent workers for WebSocket support.
Developed and maintained Flask and Python-based monolithic applications.
Application Scaling:
Scaled an AI assistant teacher application designed for public schools.
Implemented features to classify student answers to curriculum-aligned open-ended questions using advanced language models such as GPT-4, Claude-3, and Mistral.
Provided specific feedback to students based on their answers.
Teacher Tools:
Developed a teacher activity tracker tool to monitor student progress.
Integrated features to provide teachers with an overview of student performance and access to complete chat transcripts for review.
Technologies Used:
AWS CloudFormation, AWS SAM, AWS ECR, AWS ECS, ALB
GitHub Actions
Docker, Nginx, uWSGI, Gevent
Flask, Python
Advanced language models (GPT-4, Claude-3, Mistral)
Impact:
Enhanced the scalability and reliability of the AI assistant teacher application.
Improved the educational experience for students by providing tailored feedback.
Enabled teachers to effectively track and support student progress through comprehensive tools and insights.
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**Cofense** - *Remote, 07/2020 - 03/2022* Senior Security Engineer