Hi, I'm Kai Ko.

• Architected the frontend for the AWS Cost Optimization Hub efficiency metric using React and React Query, fixing bottlenecks for customers with 10k+ accounts.

• Orchestrated the deployment of cost management consoles to Amazon Dedicated Cloud air-gapped environments.

• Designed an org-wide GenAI training program for 30+ engineers.

• Spearheaded WCAG 2.1 accessibility remediation for Cost Optimization Hub.

• Led the revitalization of the university's DBF team, managing the design, manufacturing, and successful flight of two competition RC aircraft.

• Directed the 2024 'Phoenix' featuring a foldable 5-foot wingspan, and the 2025 'Freedom Fighter', which placed in the top third of the international competition despite requiring rapid on-site rebuilding.

• Coordinated team operations, aerodynamic design processes, and mission-critical testing.

• Spearheaded the refactoring of AWS Compute Optimizer dashboard showing cost and performance optimization recommendations analytics using AWS Cloudscape, React, and Redux.

• Delivered new compute recommendations for AWS services that will offer customers cost reductions of up to 25%.

• Designed and deployed a continuous end-to-end testing system for AWS billing systems which handle $40 billion dollars annually using AWS CDK, Fargate, Lambda, S3, and CloudWatch.

• Achieved 90% coverage across three services, providing detailed metrics and resulting in 10% less downtime.

• Automated billing process for AWS customers in China using AWS S3, Glue, Lambda, IAM, and CDK.

• Upgraded billing reports using Scala and AWS Glue reducing errors and saving 90+ work hours per month.

• Updated an outdated dependency checker config file with 4000+ changes to ensure backup security.

• Created a full-stack testing tool for the Amazon Consumers Selling Partner Financial Tech team using React and Spring.

• Established frontend making calls to APIs created using API Gateway and Lambda to retrieve information from internal datalakes and DynamoDB.

• Mentored four cohorts of high school seniors from underserved communities through the MITES Semester program.

• Facilitated 800+ high-achieving students by engineering user-friendly data management tools using Python and Google Apps Script to automate tracking and streamline logistics.

• Mentored high-achieving, low-income high school seniors through the intricacies of the college application and financial aid processes.

• Designed personalized advising plans to ensure scholars successfully matriculated to top-tier universities.

• Served as a Course Assistant for User Interfaces and Mobile Applications (Spring 2023, 2024) and HCI (Fall 2024).

• Evaluated assignments, projects, and exams, ensuring fair grading.

• Provided technical mentorship to 130+ students in UI/UX design and Android app development.

• Cultivated a supportive living-learning community for 100+ residents through intentional programming and peer mentorship.

• Advocated for resident well-being and upheld university safety standards while serving in an on-call crisis response capacity.