# Michael Samper > Full-Stack Software Engineer | ex-Twitter Location: San Francisco, California, United States Profile: https://flows.cv/michaelsamper Full-stack software engineer previously working on developing the experimentation platform at Twitter with a cross functional team of data engineers, data scientists, and full-stack engineers. ## Work Experience ### Software Engineer @ GrowthBook (YC W22) Jan 2023 – Present | San Francisco, California, United States ### Software Engineer II @ Twitter Jan 2021 – Jan 2023 | San Francisco Bay Area ◆ Worked as a full-stack engineer on Twitter’s experimentation platform with a cross-functional team of data engineers, data scientists, full-stack engineers, and a product manager ◆ Led and worked on a 2 quarter-long 3 person project to implement an experiment taxonomy & create a new, customer journey aligned, experiment wizard interface in React, eliminating 20+ experiment tracking spreadsheets and centralizing experiment institutional knowledge ◆ Designed and implemented GraphQL queries/mutations and resolvers for experiment taxonomy metadata R/W and an extensible mySQL data model to support 10+ quarterly changes on average to required metadata collection ◆ Enabled team knowledge sharing through artifacts including 4 technical design documents, a new team bug bash process doc, and a migration planning document with LoE estimates ◆ Supported a migration from a Scala REST API to a Node.js GraphQL API, resulting in a 99% decrease in build time and a 150% dev velocity increase ◆ Mentored and supported an intern over a 12 week period with a project to sort over 15,000 experiments by impact to the most important company metrics, using BigQuery as a new backend datasource and Elasticsearch for search ◆ Served on-call debugging prod issues with ETL pipelines and the experiment dashboard, answering hundreds of customer questions about A/B testing, and leading 2 successful postmortems ### Software Engineer I @ Twitter Jan 2019 – Jan 2021 | San Francisco Bay Area ◆ Incorporated a new workflow into existing React components, wrote Scala REST APIs to allow users to record thousands of ship decisions and snapshot experiment results, and introduced onion architecture ◆ Contributed to a Twitter component library used by 30+ internal/external web apps by providing typing for several untyped components ◆ Led tech debt reduction regularly, refactoring code, migrating untyped files to Typescript, and using modern React patterns like hooks ### Software Engineering Intern @ Twitter Jan 2018 – Jan 2018 | San Francisco Bay Area ◆ Worked on Twitter’s experimentation platform team ◆ Developed a prototype Scalding job to improve metrics availability for users by enabling thousands of ratio metric possibilities across different data sources ◆ Collaborated with a team of 8 engineers to improve SLAs and pipeline functionality ### Software Engineer Intern @ Adobe Jan 2017 – Jan 2017 | San Jose, California ◆ Performed full-stack development for the Data Discovery and Governance team ◆ Created a React web app with a Node.js backend to allow engineers to easily view responses from Data Discovery and Governance APIs ◆ Optimized user interaction with the internal data discovery service through UI design ## Education ### Bachelor of Science - BS in Computer Science University of Florida ### High School Diploma in Computer Systems Networking and Telecommunications Miami Lakes Educational Center ## Contact & Social - LinkedIn: https://linkedin.com/in/michaelsamper - Portfolio: http://www.michaelsamper.com - GitHub: https://github.com/msamper --- Source: https://flows.cv/michaelsamper JSON Resume: https://flows.cv/michaelsamper/resume.json Last updated: 2026-03-29