Sagar Butt

Tech Stack: Ruby on Rails, GraphQL, PostgreSQL, ReactJS, DigitalOcean

• Migrated Shopify app integration from REST to GraphQL, significantly improving response time and flexibility.
• Contributed to achieving “Built for Shopify” certification by optimizing app scalability and security.
• Refactored API endpoints and React UI for better data efficiency and faster rendering.
• Played a key role in transitioning from ERB/Vue.js to React Remix, enhancing UI/UX performance.
• Maintained application security by conducting regular code reviews and fixing vulnerabilities as needed.

Tech Stack: Ruby on Rails, ReactJS, AWS, Docker, MySQL

• Built scalable APIs and backend logic to support enterprise-grade healthcare platforms.
• Integrated multiple third-party services and ensured robust system performance.
• Mentored junior engineers and drove best practices in code quality and performance optimization.
• Led containerization efforts using Docker and cloud deployment with AWS.

Tech Stack: Ruby on Rails, ReactJS, RSpec, Heroku

• Developed backend features and maintained third-party API integrations including Stripe, Hubspot, Zendesk, and Zillow.
• Reduced Heroku hosting cost by 44% through improved worker/thread management and DB optimization.
• Implemented automated testing with RSpec to enhance code reliability.
• Collaborated in Agile sprints to deliver features on time and within scope.

Tech Stack: Ruby on Rails, ReactJS, AWS

• Delivered full-stack features in a team of 6 engineers using Ruby on Rails and ReactJS.
• Participated in university bootcamps to mentor students and promote industry skills.
• Conducted code reviews and contributed to the quality assurance of new features.