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Matthew Hasson
Engineering Leader & AI-Augmented Builder
Summary

11+ years in tech — 8 years at Sonos growing from support team lead to CI/CD infrastructure engineer, then shipped 8 production applications solo using AI-augmented development. Full-stack across frontend, backend, mobile, data, and infrastructure. Uses AI as a force multiplier across every phase: design, architecture, implementation, testing, and deployment.

Experience
Hasson, Inc. - S Corp
Independent Software Engineer
2023 — Present
  • Shipped 8 production applications solo — all live, most with paying users or real clients
  • Full-stack development across web (React/Next.js), mobile (React Native/Flutter), and desktop platforms
  • AI-augmented development workflow across every phase: design, architecture, implementation, testing, deployment
  • Key projects: InsightTrader (trading analytics), Habify (mobile habit tracker on Google Play), West Roxbury Framing (business management), SecureChat (E2E encrypted messaging)
Build & Automation Engineer — Sonos
2019 — 2023
  • Owned CI/CD infrastructure serving the engineering org across frontend and backend systems
  • Reduced build failure rates from 30% to 0.9%, dramatically improving developer productivity
  • Cut build times by 77%, directly accelerating release velocity across all teams
  • Built end-to-end test automation frameworks using Playwright across microservices architectures
  • Validated API contracts with Postman and leveraged AWS for scalable build and deployment infrastructure
  • Mentored engineers across multiple teams on build systems, testing strategy, and DevOps best practices
Technical Support Engineer & Team Lead — Sonos
2015 — 2019
  • Led technical support teams of 3–10 engineers, managing escalations and team performance
  • Built escalation workflows and diagnostic tools for complex network interference issues
  • Bridged customer-facing support and engineering, translating field data into product improvements
Selected Projects
InsightTrader — Trading journal & analytics platform
12+ broker integrations, Monte Carlo analysis, AI coaching. Production SaaS with Stripe billing.
Next.js 15 React 19 FastAPI Supabase Stripe OpenAI
Habify — AI-powered habit tracker (Google Play)
Momentum engine, gamification system, AI coach. Published on Google Play Store with RevenueCat billing.
React Native Expo FastAPI Supabase OpenAI
West Roxbury Framing — Business management suite
Order lifecycle, Kanban boards, CRM, SMS notifications. Built for a real client with Square POS integration.
Next.js 16 Prisma PostgreSQL Square Twilio
SecureChat — E2E encrypted messaging
Forward secrecy, zero-knowledge server architecture. NaCl/libsodium cryptography with WebSocket transport.
Flutter FastAPI PostgreSQL NaCl/libsodium WebSockets
PolyBot — Polymarket alpha scanner
Automated prediction market scanner with alpha scoring engine, AI-powered research via Perplexity, and terminal-style dashboard.
Python Polymarket API Perplexity AI
CarCompare — Vehicle comparison tool (600+ vehicles, no external libraries)
Vanilla JS 47 Brands Zero Dependencies
Key Metrics
8 production apps shipped solo, all live
Build failures 30% → 0.9% at Sonos
Build times cut by 77%
11+ years in tech, 8 at Sonos
Technical Skills
Frontend
React Next.js TypeScript Tailwind CSS React Native Expo Flutter
Backend
Python FastAPI Node.js Prisma SQLAlchemy WebSockets
Data
PostgreSQL Supabase Neon Redis
AI / ML
OpenAI GPT-4 Claude LangGraph AI Pair Programming
Infrastructure
AWS Vercel Fly.io Railway Docker GitHub Actions Microservices
Integrations
Stripe Square Twilio RevenueCat Postmark
Testing / Observability
Playwright Postman Pytest E2E Testing Sentry PostHog
More Projects
Strategy Reality Check — Trading strategy validator with Monte Carlo simulation