Larry
Harmon
FOUNDER & FULL-STACK ENGINEER.
BUILDING RESILIENT ARCHITECTURES.
Architecting resilient systems for the decentralized web. I bridge the gap between complex blockchain protocols and intuitive user experiences.
Specializing in high-availability financial infrastructure. My code is built to withstand high throughput, adversarial environments, and the test of time.
Core Capabilities Capabilities
SYS_CONFIG_V1.0Engineering
End-to-end product development across frontend, backend, and infrastructure. Strong focus on shipping MVPs fast, iterating in production, and building systems that hold up under real-world usage.
Protocol & Transactions
Bitcoin-native systems design, transaction flow analysis, and automated routing logic. Experience building and operating privacy-focused, high-volume transaction systems where correctness, timing, and reliability are critical.
Architecture
Designing resilient, automation-first architectures for complex workflows. Emphasis on fault tolerance, observability, and pragmatic infrastructure choices that support rapid iteration without sacrificing stability.
Experience Log Experience
Harmon Web Innovations
2008 — PRESENTFOUNDER & LEAD ENGINEER
Founded and operated a digital consultancy delivering web development, custom software, and online marketing solutions for businesses and startups. Built and maintained production websites, internal tools, and automation systems, and executed performance-focused digital marketing campaigns designed to drive traffic, conversions, and measurable business outcomes.
U.S. Government (Contract)
2022 — 2024SOFTWARE ENGINEER & TECHNICAL CONSULTANT
Provided specialized software engineering and technical consulting services under government contract. Work included systems analysis, applied programming, and tooling support for investigative and technical teams, requiring a high degree of accuracy, discretion, and accountability.
Coin Ninja
2016 — 2020FOUNDER & CEO
Founded and funded Coin Ninja, a consumer-focused Bitcoin company centered on usability and self-custody. Served as product visionary and executive lead, defining product direction, user experience, and market strategy. Coin Ninja created DropBit, one of the first self-custody Bitcoin applications enabling users to send Bitcoin via text message, significantly lowering the barrier to everyday Bitcoin adoption.
Grams / Helix
2014 — 2017FOUNDER, LEAD ENGINEER & SYSTEMS ARCHITECT
Founded and operated Grams, a Bitcoin services and advertising platform, and built Helix as a core Grams product. Designed and implemented large-scale Bitcoin transaction systems, automated routing logic, and monitoring infrastructure for adversarial environments. Personally architected and engineered the systems, which processed aggregate transaction volume exceeding 300,000 BTC over their operational lifetime.
"Ship fast. Learn faster. Win by getting to market first."
What I Can Help With Services
Rapid MVP Development
From zero to deployed product in weeks, not months. Focused on core value validation.
Transaction Flow Analysis
Reviewing and validating Bitcoin transaction flows, automation logic, and edge cases to ensure correctness, timing reliability, and operational safety in production systems.
Legacy Refactoring
Modernizing aging codebases to improve maintainability and developer velocity.
System Architecture
Planning scalable infrastructure that grows with your user base.
Technical Leadership
Interim CTO services and engineering team mentorship.
Web3 Integration
Connecting traditional Web2 frontends seamlessly with blockchain backends.
Built on Accountability
In a world of abstraction, I believe in understanding the metal. My background isn't just in writing code—it's in making decisions that have consequences. Whether it's securing assets or ensuring uptime during peak loads, I take ownership of the stack. No black boxes. Just verified execution.