• Utilized Docker to create lightweight, portable, and self-sufficient containers, ensuring seamless application deployment across various platforms and infrastructure setups, reducing repetitive tasks, increasing efficiency and streamlining workflows• Employed Amazon ECS and EC2 to deploy the containerized application, resulting in a more efficient and streamlined (CI/CD) pipeline. The decision to use the AWS ecosystem was made with a strategic focus on future scalability, load balancing capabilities, and enhanced edge availability• Migrated existing state management from a mix of redux and context to a unified strategy with Redux Toolkit, leading to fewer bugs, improved developer workflow, and increased development speed, ultimately enhancing maintainability, reducing technical debt, and boosting performance• Integrated OAuth into the existing authentication system, expanding authorization options and providing a seamless, secure sign-in experience for users across various platforms, increasing user trust, simplifying account management, and fostering a more unified approach to identity and access management• Improved remote collaboration capabilities by leveraging Websockets to enable efficient, real-time data exchange between users, supporting a large number of simultaneous connections

• Crafted responsive and accessible UI components with React, optimizing user experience across diverse devices and screen sizes, and ensuring adherence to accessibility standards, promoting inclusivity, increased user engagement, and a commitment to providing a seamless experience for all users• Utilized PostgreSQL's powerful query capabilities to create efficient, performant data retrieval operations, adhering to ACID compliance, and providing the data backbone for the application to scale to meet the needs of many teachers and schools

• Implemented cryptography techniques to hash user passwords, eliminating the need for storing plaintext passwords, minimizing the potential impact of data breaches and reinforcing user trust by prioritizing data security and privacy in our application• Incorporated MUI to ensure uniform styling, enabling the team to prioritize core functionality, accelerate development pace, and achieve on-time MVP delivery. This integration established a cohesive visual identity, contributing to a more polished and professional user experience• Employed React to maintain a responsive, real-time environment for virtual pets, ensuring an immersive and interactive user experience