Ringblaze Phone System

I led the development of a next-generation cloud phone system that transformed how over 10,000 companies handle their business communications. The platform processes millions of calls each month and maintains 99.9% uptime, which I'm really proud of.

• Built the entire frontend application using Next.js and TypeScript, creating an intuitive dashboard with real-time call monitoring and analytics

• Designed scalable GraphQL APIs that handle over 50M requests daily, achieving 60% faster response times through careful query optimization

• Created a custom call flow engine using the Twilio Conference API with smart routing algorithms that supports 1000+ concurrent users

• Set up a complex monorepo structure with Turborepo, which streamlined our development process and made code sharing between apps much easier

• Implemented a comprehensive testing approach using Vitest for unit tests (much faster than our old Jest setup) and Playwright for end-to-end testing, getting us to 95% code coverage

• Built our mobile app from scratch using Expo and React Native, bringing the platform to iOS and Android users

• Optimized our PostgreSQL database through strategic indexing and query improvements, boosting performance by 70%

• Custom Call Flow Architecture: Built a sophisticated call flow engine on top of the Twilio Conference API to handle complex routing, call transfers, and multi-party conferences

• Scalability: Used Google Cloud Platform services to scale horizontally and handle our exponential growth in users and call volume

• Legacy System Management: Had to maintain older systems while rapidly shipping new features in a fast-paced startup environment, ensuring everything worked smoothly during transitions

• Performance: Fixed major N+1 query problems by switching to Hasura, which eliminated bottlenecks and made our GraphQL operations much cleaner

• Improved customer satisfaction by 45% through better call quality and a much more intuitive user experience

• Cut operational costs in half by successfully migrating from Twilio to SignalWire while keeping the same level of service quality

• Implemented A2P 10DLC compliance right on schedule, ensuring our customers could keep sending SMS messages to US numbers without any interruptions

• Maintained 99.9% uptime, which actually exceeds most industry standards

• Became proficient with telecommunications tech like Twilio Conference API, SignalWire migration, and A2P 10DLC compliance

• Got really good at monorepo architecture using Turborepo and modern testing with Vitest and Playwright

• Learned how to manage cloud infrastructure with Google Cloud Platform for scaling applications

• Expanded my mobile development skills through building our React Native app with Expo

• Deepened my PostgreSQL knowledge, especially around optimization and performance tuning for high-traffic apps

• Grew as a leader by mentoring junior developers and managing complex system transitions in a startup environment