• Designed and developed a robust asynchronous notification system, leveraging Google Pub/Sub and Firebase, to enhance user engagement through real-time and scheduled communications across email, Slack, and console

• Directed a comprehensive testing strategy project that achieved 94% code coverage of our complex backend system, significantly reducing the risk of defects and ensuring a high-quality user experience

• Led 24 engineers in heavy technical migration to drive developer efficiency, resulting in accelerated product development cycles and an improved backend codebase

• Created an automated API documentation portal via GitHub actions, streamlining developer workflows and achieving 100% documentation accuracy

• Facilitated cross-functional team collaboration and innovation by leading mob programming sessions, fostering a culture of open communication, knowledge exchange, and collective code ownership

• Developed an authentication and authorization system to enable secure access to APIs and services, and built an accompanying SDK for internal teams to integrate their applications and services

• Implemented a modular loyalty platform, designed for seamless integration with diverse e-commerce systems, facilitating personalized customer engagement strategies and revenue growth

• Utilized Datadog for advanced monitoring of microservices, improving system reliability and performance through proactive issue detection and resolution, ensuring consistent user experiences across all services

• Designed and implemented a transactional email delivery system for account and organization flow

• Architected and developed scalable non-relational databases for critical systems like identity management and notifications, achieving faster query responses and higher throughput, which contributed to overall system efficiency and user satisfaction

• Built open-source web-based tool to generate schema and resolvers to simplify migration to GraphQL, by adding a GraphQL controller layer to any existing REST API without interfering with the REST endpoints

• Designed query system to retrieve metadata from any user inputted PostgreSQL database and extensive data wrangling logic to generate complete schema and resolvers for GraphQL implementation as well as fuel interactive visualizations

• Architected Node.js/Express server to take advantage of the middleware design pattern, creating multiple routers and controllers to chain logic together for readability, scalability, and simple debugging

• Utilized D3 to create node-based visualizations of relational databases, displaying primary-foreign key connections and join and non-join tables in order to enable interactivity without compromising rendering latency

• Implemented a continuous integration system via Travis CI to enable a test-driven development approach, by creating React Testing Library and SuperTest test suites on top of Jest to ensure robust functionality and positive open source contributions

• Deployed through AWS, utilizing EC2, Elastic Beanstalk, and S2 and leveraging Docker containers to maintain a consistent, isolated environment and enable high availability and scalability on a global cloud infrastructure

• Configured application with Webpack for future scale, maintainability and faster load times, utilizing hot module reloading, ES6+ transpilation for developer packages, and minification and uglification features to limit bundled file size