# Charles Wang > Software Engineer @ Klaviyo Location: Greater Boston, United States Profile: https://flows.cv/charleswang ## Work Experience ### Software Engineer @ Klaviyo Jan 2023 – Present | Boston, Massachusetts, United States ### Software Engineer Intern @ Slack Jan 2022 – Jan 2022 | San Francisco, California, United States Cloud Engineering Launched a cloud-based service to collect key metrics on the adoption of Slack's Kubernetes-backed engineering platform Provisioned AWS resources and kube cluster configurations through Terraform deploys ### Founding Engineer @ Rivet App Jan 2020 – Jan 2022 | Boston, Massachusetts, United States Grew user platform from <10 to 100+ signups through beta, generating $10k+ in artist revenue Set up core platform functionality end to end: landing page, login/register/reset password flows, email sends in NodeJS and React/Typescript ### Software Engineer Intern @ Klaviyo Jan 2021 – Jan 2021 | Boston, Massachusetts, United States End to end ownership of a full-stack (Python/Django, React-Typescript) staff-side coupon inspector tool that allows the Customer Success team to triage coupon-related support tickets faster and more efficiently. The tool reduced engineering and support time by 50+%, saving thousands of dollars per month. Engineered a general repair solution to Klaviyo's back-in-stock flow, utilizing cursor pagination to efficiently query company subscriptions. Created integration and unit tests using the Pytest framework ### Project Lead @ AFX Tech Committee Jan 2020 – Jan 2020 - Modernized codebase by integrating React hooks and contexts - Wrote and taught a comprehensive React onboarding program for new web developers ### Project Lead Intern @ AFX Tech Committee Jan 2020 – Jan 2020 - Oversaw a small team responsible for the front-end development of the AFX website - Orchestrated the redesign of the AFX website (afx.dance), used by 1000+ dancers at Berkeley ### Web Developer @ AFX Tech Committee Jan 2019 – Jan 2020 - Developer for the official AFX website - Implemented a search functionality that makes finding members more accessible ### SWE Intern @ CODAMETRIX Jan 2020 – Jan 2020 | Boston, Massachusetts, United States - Integrated company’s machine learning workflow with AWS Sagemaker and Amazon S3, processing medical reimbursement automation reports for MGPO-affiliated hospitals - Optimized pipeline to include hyperparameter tuning and cross-validation techniques - Introduced a comprehensive data analytics API using Flask-Python, significantly reducing model evaluation time by 2-3 days - Devised a unit testing framework for official releases ## Education ### Bachelor's degree in Computer Science University of California, Berkeley ### Lexington High School ## Contact & Social - LinkedIn: https://linkedin.com/in/cwang168 --- Source: https://flows.cv/charleswang JSON Resume: https://flows.cv/charleswang/resume.json Last updated: 2026-03-28