# John Yamashiro > Software Engineer at Airtable | Ex-Revenue Operations Leader Location: Dublin, California, United States Profile: https://flows.cv/johnyamashiro Software engineer with 8 years of revenue ops and sales tech experience before moving into full-stack development. I bring business context to technical problems. Currently at Airtable building billing infrastructure, checkout, and global tax compliance systems. ## Work Experience ### Software Engineer @ Airtable Jan 2025 – Present | San Francisco Bay Area Monetization & Funnel Team Building the billing engine behind Airtable's self-serve business: subscriptions, checkout, and global tax compliance. ### Recurser @ Recurse Center Jan 2024 – Jan 2024 | Brooklyn, New York, United States Strengthening technical expertise and experimenting with innovative projects: • kushAmI (Sneezing Detection Neural Network): Built a CNN to detect and track sneezes in real-time from live audio streams, trained on a custom dataset. Integrated health and environmental metrics to analyze correlations with sneezing patterns. • Gloomhaven Open-Source Contribution: Optimized pathfinding algorithms and created multiplayer functionality with a client-server architecture. Developed front-end elements with Pyxel and designed animated pixel art using generative AI. • Otozu: A Python library that simplifies the conversion between audio files and spectrograms ### Software Engineer @ Gem Jan 2022 – Jan 2024 | San Francisco, California, United States • Designed and developed a GDPR-compliant ATS integration system capable of synchronizing ~10 million records per account per day. • Developed customer-facing sync validation processes, reducing data sync failures for enterprise clients. • Led the architecture of a custom fields schema to increase platform flexibility for diverse enterprise needs. • Enhanced the Candidate Rediscovery feature using Elasticsearch for efficient data retrieval. • Improved system observability with Honeycomb logging and Sentry error tracking, meeting strict SLAs. ### Sales & Marketing Operations Manager @ Gem Jan 2018 – Jan 2022 | San Francisco Bay Area • Built and scaled the company’s sales, marketing, and operations tech stack from the ground up, supporting growth to 300 employees. • Implemented key Salesforce integrations, driving $800K ARR via seat utilization optimization and supporting a startup program generating over $1M ARR. • Developed a multi-touch attribution system to optimize sales and marketing performance. ### Sales Operations Consultant @ Teamable Software Jan 2017 – Jan 2018 | San Francisco Bay Area ### Sales and Marketing Operations @ Eatify Jan 2016 – Jan 2017 ### Financial Analyst @ LinkedIn Jan 2016 – Jan 2016 | Sunnyvale, CA • Migrated sales systems data from acquired company to acquiring company in support of the re-launch of the acquired product. • Leveraged knowledge of existing sales systems and historical data to help drive back-end systems integration as part of the New Product Introduction process. • Managed uninterrupted transition of billing, collections, and financial operations from acquired company to acquiring company. • Supported post-acquisition integration in partnership with the following cross-functional stake-holders: Sales, Sales Ops & Systems, Product, Marketing, Legal, and Engineering. ### Head Of Sales Operations @ Connectifier, Inc. Jan 2014 – Jan 2016 | Orange County, California Area • Developed and administered sales systems and operations for early-stage SaaS sales organization in high-growth mode. • Integrated sales systems with product and automated marketing channels. • Designed and executed lead-generation campaigns at scale. • Developed custom SFDC environment specific to the needs of the organization with Apex triggers, classes, and API integration. • Leveraged historical data to generate a predictive revenue model and create compensation and hiring plans. • Oversaw entire financial ecosystem including sales systems, finance, accounting, and billing. • Conducted financial analysis to generate forecasts to make strategic recommendations to the CEO, head of sales, and VP of marketing. • Created and managed business intelligence metrics using MongoDB. • Managed relationship with third-party financial partners. • Conducted strategic contract review and negotiation for a product that necessitated a complex TOU. ### Trader and Analyst @ Big Investment Group Futures, LLC. Jan 2012 – Jan 2014 | Hawaiian Islands • Created and implemented currency and futures trading strategies. • Developed money-management algorithms and auditing systems. • Authored all legal documentation in accordance to NFA/SEC guidelines. • Headed currency trading team (specialist for Euro and Dollar). • Provided technical and fundamental analyses of American and European markets. • FINRA Series 3 and 34 licensed. • Actually figured out how to use a Bloomberg terminal. ### Extracurricular Program Director @ Edu4U+ Academy Jan 2010 – Jan 2012 • Created programs focused on investment, entrepreneurship, and business skills for advanced high school students. • SAT & ACT math, English, and writing instructor • AP course instructor: Calculus, Economics, Statistics, Chemistry, Physics, Biology, Computer Science, Music Theory. ## Education ### M.A. in Music Composition University of California, Riverside ### B.S. in Biological Science University of California, Riverside ## Contact & Social - LinkedIn: https://linkedin.com/in/johnyamashiro --- Source: https://flows.cv/johnyamashiro JSON Resume: https://flows.cv/johnyamashiro/resume.json Last updated: 2026-04-11