Comprehensive technical background and professional experience. For case studies and project details, see the
Portfolio.
Contact
Email:
matthew@westmark.dev
· GitHub: @watthem
· LinkedIn: matthew-hendricks
Core Skills
-
Trading Technology: High-performance trading systems, real-time data processing, risk management, financial infrastructure
-
Technical: Rust, GoLang, TypeScript, Python, JavaScript, high-performance systems, distributed architecture
-
Product Management: Trading platform development, customer development, technical documentation, team leadership
-
Strategic: System architecture, performance optimization, technical due diligence, knowledge management
Professional Experience
-
Trading Technology Engineer & Founder (2024–Present) — Building Matchstick trading engine in public, trading tech consulting
-
Founder — Westmark.dev (2024–Present) — B2B SaaS solutions, emergency system fixes, technical consulting
-
Product Manager — NinjaTrader (2010–2018) — Customer development for NinjaScript automation, trading platform product management
-
Open Source Maintainer — watthem (Ongoing) — Author of FieldTest validation toolkit and developer tools
-
Technical Writer — Microsoft (2008–2010) — 700+ page documentation projects, developer-focused technical writing
Complete Developer Toolkit
⚡ Production Systems
TypeScript • Rust • AI Integration • High-Performance Infrastructure
- Languages: TypeScript, Rust, Python, JavaScript
- Frontend: Next.js 15, Vue 3, React, Astro
- Backend: Cloudflare Workers, Express.js, Cap'n Proto RPC
- Performance: Rust engines, Polars, sub-ms operations
- Infrastructure: Vercel, Railway, Docker, Kubernetes
🛠️ Developer Tools Portfolio
Framework-Agnostic Libraries + Creative Tools
- FieldTest: TypeScript validation toolkit (Standard Schema)
- MarkdownFlow: Headless Readwise alternative (Cloudflare Workers)
- Brickwave: Deterministic noise generator for DSP/AI research
- Forage: ADHD-friendly file discovery (Electron + Python)
Browse Tools →
Architecture & Business Results
🏗️ Architecture Patterns
- Monorepos: Turborepo + PNPM for 13+ projects
- Edge Computing: Cloudflare Workers global deployment
- RPC Systems: Cap'n Proto + TypeScript ergonomics
- Performance: Sub-millisecond Rust engines
💼 Production Portfolio
- RapidWire: Multi-tenant SaaS in production
- GetNotes: Music learning platform (targeting 100 MRR)
- MarkdownFlow: Live on Cloudflare Workers
- 13 Active Projects: From CLI tools to trading engines
🚀 Quality Standards
- Testing: 80%+ coverage with comprehensive suites
- Monitoring: Sentry error tracking + PostHog analytics
- Security: Tenant isolation, PII encryption, audit logs
- Documentation: Enterprise-grade README standards