• Built and delivered full-stack projects for core Tier 1 infrastructure services in Amazon Web Services Security, which managed SSH and Public Key Infrastructure for EC2 instances and service hosts

• Led multi-month projects from end-to-end, including threat model and design, implementation, and release for a Java Spring Certificate Authority service

• Delivered features for a self-service security portal project written in React.js, Kotlin, Lambda, Google Guice, CDK, and DynamoDB, which contributed to the elimination of manual code pushes for infrastructure settings

• Collaborated with S3 Senior and Principal engineers to diagnose high-severity issues for critical S3 GET and PUT APIs and wrote company-wide Python operational tools through an away-team model to aid the software campaign that reduced peak latency. Received recognition throughout the entire AWS organization

• Created intuitive, inclusive AWS frontend consoles with React, TypeScript, and Cloudscape Design

• Designed and implemented a private CA lifecycle management solution in Java with senior leaders, which allowed for the first intragenerational rotation and prevented a Tier 1 outage from expiring certificates

• Spearheaded innersource contributions for company-wide Ruby infrastructure-as-code packages that addressed an automation gap for all AWS builders

• Key contributor to multiple global software campaigns for AWS Commercial, China, and Gov Cloud partitions and provided core infrastructure guidance and 24/7 on-call rotational support for legacy migrations, security risk management strategies, high-severity issues, and cost savings

• Enriched the UX for the Amazon Music help page by writing JSP HTML code in Java Spring MVC

• Diagnosed and resolved tail latency spikes for a legacy service by leveraging AWS resources instead of Java heap memory, which dramatically reduced CPU consumption and Amazon device client timeouts

• Rewrote initial Cross-Site Request Forgery (CSRF) vulnerability remediation by onboarding to internal security libraries and protecting mutable endpoints. Enabled Music Subscription teams in other time-sensitive projects to reuse solution for new critical endpoints

• Developed and maintained full-stack features in Java and React.js for an enterprise platform that facilitated supplier management

• Built a RESTful API endpoint available through an API Gateway with Spring Boot, which allowed for a chatbot to search for contracts and streamlined the flow of data from third-party platforms to clients

• Wrote extensive unit and integration tests in Jest, JUnit, and Karate, with quality PR checks in code reviews that resulted in an overall code coverage of over 90%

• Implemented highly-responsive metric charts in React.js and Sass that visually presented categorical data

• Created and modified containerized Spring Batch jobs on ECS that processed large volumes of records nightly from S3 and third-party APIs to load into a PostgreSQL database

• Adopted a next-gen enterprise solution by modifying a Node.js GraphQL Lambda API and React.js application

• Built and architected a video-on-demand backend infrastructure proof-of-concept by implementing Python Flask RESTful API services for video ingestion and video playback

• Reduced buffering for video streaming by switching from progressive downloads to adaptive bitrate streaming, supporting HLS (HTTP Live Streaming) on iOS and Android devices

• Migrated media files from IoT devices to AWS S3 with a CDN for reduced latency

• Deployed services with a microservice architecture on Amazon EC2 instances to ensure maximum uptime