# Kevin Park > Senior Software Engineer at WASH Location: Los Angeles Metropolitan Area, United States Profile: https://flows.cv/kevinpark ๐Ÿง  โšก๏ธ ๐Ÿงฉ Software Engineer with ๐Ÿฑ+ ๐ฒ๐ž๐š๐ซ๐ฌ of success delivering modular, scalable, and testable Web + Mobile app solutions across startups (Series A โ†’ D) and large enterprises. Currently digitizing Payments + Machine Starts for IoT Washers + Dryers with the โ€œWASH-Connectโ€ mobile app โ€” built using React Native, TypeScript, Node.js, Firebase, Redux, REST APIs, SQL + NoSQL databases, partner SDKs, and more. Fueled by curiosity and a deep passion for digitally transforming the world. Driven by principles of stewardship, multiplication, and continuous improvement. All good vibes here โ€” feel free to connect; everything starts with a good conversation! ๐Ÿ’ป ๐†๐ข๐ญ๐‡๐ฎ๐›: github.com/xkevinpark ๐Ÿค๐Ÿผ ๐Ž๐ฉ๐ž๐ง ๐’๐จ๐ฎ๐ซ๐œ๐ž: github.com/open-source-labs/ReacType ๐Ÿ› ๏ธ ๐“๐ž๐œ๐ก ๐’๐ญ๐š๐œ๐ค: โˆ™ ๐‹๐š๐ง๐ ๐ฎ๐š๐ ๐ž๐ฌ: TypeScript, JavaScript (ES6+), Java, Kotlin, PHP, HTML, CSS โˆ™ ๐…๐ซ๐จ๐ง๐ญ๐ž๐ง๐: React.js, React Native, Redux, Webpack, Electron, AWS Amplify โˆ™ ๐๐š๐œ๐ค๐ž๐ง๐: Node.js, Express, REST APIs, Laravel, JWT, OAuth2, SAML, Bcrypt, Passport.js โˆ™ ๐ƒ๐š๐ญ๐š๐›๐š๐ฌ๐ž๐ฌ: SQL (PostgreSQL, MySQL, AWS RDS), NoSQL (MongoDB, Firebase Realtime DB, AWS DynamoDB) โˆ™ ๐‚๐ฅ๐จ๐ฎ๐ & ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ ๐“๐จ๐จ๐ฅ๐ฌ: AWS, Firebase, Docker, Bitrise, GitHub, Bitbucket, Xcode, Android Studio, Sentry, Gradle โˆ™ ๐“๐ž๐ฌ๐ญ๐ข๐ง๐ : Jest, React Native Testing Library, Detox, Enzyme, SuperTest ## Work Experience ### Senior Software Engineer @ WASH Jan 2023 โ€“ Present | Los Angeles, California, United States Mobile team โšก๏ธ Payment + Machine Start for IoT Washers/Dryers โ€ข Led 0โ†’1 launch of PayRange IoT platform integration, architecting an event-driven Bluetooth Low Energy (BLE) stack for machine discovery, remote start, real-time telemetry, and cashless payment processing across 90K+ field machines, projected to drive $5M/month in new revenue. โ€ข Secured Authentication and Wallet Management APIs with encrypted tokens + API keys, integrated Google Secret Manager, and refactored Express middleware & controllers to maintain secure secret access and backward compatibility. โ€ข Architected serverless API key management system using Firebase Realtime Database, Cloud Functions, and CryptoJS (SHA-256 hashing), implementing factory pattern for key generation, expiration/rotation, and per-partner rate-limiting. โ€ข Designed Power Automate flows to auto-generate Salesforce Freshdesk tickets with user identifiers and support contextโ€”eliminating reliance on external mail apps, speeding up verification, and improving analytics on abandoned vs. submitted customer support requests. โ€ข Built an Auto-Refund microservice for eligible transactions that slashed support ticket volume by ~60% and accelerated average ticket resolution time from 1-3 days to < 10 mins. ### Software Engineer III @ WASH Jan 2021 โ€“ Jan 2023 | Los Angeles, California, United States โ€ข Refactored a bloated, monolithic Redux state architecture into modular, maintainable slices using Redux Toolkit and RTK Query, improving type safety, code clarity, and API data caching; concurrently migrated the JavaScript codebase to TypeScript, enforcing compile-time type checks and API schema validation to reduce runtime defects and improve developer velocity. โ€ข Streamlined WASH-Connect mobile app architecture and CI/CD pipelines by integrating โ€œCampusโ€ + โ€œCoinamaticโ€ apps as modular product flavors, implementing dynamic React Navigation flows triggered by app context, and optimizing Bitrise YAML scripts to automate dependency + secret management and deployments to iOS/Android app storesโ€”improving release consistency, reducing errors, and accelerating the software development lifecycle (SDLC). โ€ข Expanded Sentry mobile app monitoring to leverage session replays + stack traces to pinpoint root causes of crashes & performance bottlenecks, prioritize high-impact defects, and streamline QA debuggingโ€”contributing to 99.977% crash-free sessions and +40 NPS (from -29 to +11). ### Software Engineer @ ReacType Jan 2020 โ€“ Jan 2021 | Los Angeles, CA โšก๏ธVisual Prototyping tool for Reactโ€”TypeScript โ€ข Led a team of 5 developers by facilitating Flux architectural decisions, overseeing task management via Jira, and organizing code reviews/standups. Product developed under tech accelerator OS Labs (opensourcelabs.io) | GitHub: 350+ โญ โ€ข Incorporated React Hooks + Context API to build prototypeโ€™s state management modules by creating classless components with access to global state to avoid prop drilling, which modularized the injections of userโ€™s State Hooks into ReacTypeโ€™s Code Preview and kept the app lightweight. โ€ข Resolved server overload from excessive Auto-Save API calls by implementing request debouncing on the client and adding rate-limiting to existing Express routes, eliminating timeout errors and improving save operation reliability. โ€ข Promoted Test-Driven Development into an existing codebase by utilizing Jestโ€™s built-in assertion & mocking library, Enzymeโ€™s shallow rendering, and Supertest integration testing to drive code stability, maintainability, and consistency. โ€ข Expanded user access with Electron by building multiple Docker images and distribution bundles, which enables developers on macOS, Windows, and Linux systems to prototype, save, and export React.js / Next.js / GatsbyJS templates. ### Product Manager @ FactoryFour Jan 2019 โ€“ Jan 2020 | Culver City, CA Acquired by Xometry (NASDAQ: XMTR) โ˜๏ธ Manufacturing Execution System (SaaS) ### Product Specialist @ PatSnap Jan 2018 โ€“ Jan 2019 | Santa Monica, CA โ˜๏ธ Patent Search + Analytics (SaaS) ### Sales @ PatSnap Jan 2017 โ€“ Jan 2018 | Santa Monica, CA ### Business Development @ Oracle Jan 2016 โ€“ Jan 2017 | Santa Monica, CA โ˜๏ธ CRM + Service Cloud (SaaS) ## Education ### Bachelor of Arts - BA in Psychology UCLA Jan 2012 โ€“ Jan 2016 ### Product Management Product School ## Contact & Social - LinkedIn: https://linkedin.com/in/xkevinpark --- Source: https://flows.cv/kevinpark JSON Resume: https://flows.cv/kevinpark/resume.json Last updated: 2026-03-22