Open to selective fractional engagements

Dwayne Tillman Fractional CTO

Building the operating layer between a bold technical idea and a dependable system that needs to become real.

Dwayne Tillman Portrait

I work at the intersection of architecture, product judgment, and hands-on execution. I help teams convert complex, early-stage ideas—whether local-first AI, edge networks, XR environments, or regulated operational systems—into reliable, security-conscious products.

I specialize in systems where failure has operational consequences. I design clean architectures that reduce structural drama, giving development teams the room they need to scale without losing control of their product.

Practical solutions for complex technical directions.

Prototype-to-Product Systems

Scaffold infrastructure and establish coding guardrails to transform brittle proof-of-concepts into stable, enterprise-ready systems.

Local-First & Offline Architecture

Design synchronized offline-capable apps, P2P communication channels, and device-local DBs for remote or bandwidth-constrained fields.

Secure & Auditable AI Workflows

Integrate local-first AI models and private LLM operations with auditable pipelines that protect IP and support compliance goals in high-trust environments.

Connected Hardware & UX

Build the unified software layers that connect physical sensors, real-time dashboards, simulations, and user interfaces into an operating layer.

Technical Risk & Debt Triage

Analyze legacy code bases, optimize cloud/infrastructure spend, evaluate vendors, and resolve engineering bottlenecks before they become costly.

Compliance-Conscious Delivery

Align development structures with applicable control objectives and regulatory requirements to support public-sector and enterprise readiness.

How we can work together.

Technical Architecture Review Fixed Scope

A deep-dive assessment of your current software architecture, cloud configurations, deployment pipeline, and developer workflows. Ideal for teams preparing to raise capital, scale infrastructure, or restructure tech debt.

Full architecture map highlighting dependencies & single points of failure
Clear cost-reduction opportunities across cloud and SaaS infrastructure
Prioritized architecture, security, reliability, and optimization risks

Fractional CTO Partnership Retainer

Part-time strategic technical leadership integrated into your executive team. Perfect for scaling startups or companies needing CTO guidance to align engineering efforts with overarching business goals without the cost of a full-time hire.

Roadmap prioritization and translation between founders and engineers
Establishment of engineering standards, linting, and testing pipelines
Active assistance in recruiting, technical interviews, and vendor negotiations

Execution & Delivery Push Sprint Based

Hands-on architecting and sprint oversight to push high-risk features or complex integrations across the finish line. Best for teams hitting a deadline bottleneck or implementing specialized features like 3D twin rendering or offline databases.

Establishment of rapid prototype environments and mock systems
Execution of complex backend integrations and device-local offline syncs
Direct developer mentorship and paired programming for tricky tickets

Environments with real operational parameters.

My leadership is most effective in teams building specialized applications where architecture, safety, and reliability directly impact business viability.

Design for predictable behaviors under pressure.

"A great architecture reduces engineering friction. It isolates complexity and allows teams to ship features with high predictability. Clear boundaries make products auditable, maintainable, and ultimately, real."

— Dwayne Tillman

Engineering proof & technical execution.

Operational Modeling

Interactive Systems Prototype

3D visualization and scenario modeling for operational planning.

Local-First System

Hermetic Labs

EVE-OS Decision Integrity & local-first architectures.

Philanthropic AI

HALT (Triage)

Closed-beta offline coordination and multilingual support research.

Operational Modeling & Visualization

Built an interactive, web-based 3D environment and scenario model for a confidential operational-planning project. Combined browser-based visualization with configurable scenario analysis while keeping client and implementation details private.

3D Visualization

Implemented model rendering and camera controls for spatial review.

Scenario Modeling

Designed interactive calculators for comparing operational assumptions.

Hermetic Labs & EVE-OS

Designed and engineered EVE-OS, a local-first, safety-oriented system for high-stakes and regulated environments where decision integrity, sovereign execution, minimized external telemetry, and auditable operations matter. Related healthcare work has participated in public-sector innovation engagement; this does not imply endorsement, adoption, deployment, or clinical validation.

Sovereign Execution Runtime

Built local LLM inference components and a node-based Flow Studio for bounded, policy-aware local computation.

Verifiable Governance

Integrated declarative policy controls and structured audit trails to support review against applicable regulatory and procurement requirements.

HALT — Hermetic Anonymous Local Triage

Architected a closed-beta, offline-capable coordination prototype for constrained environments such as disaster response and remote settings. The current design runs client-side on standard laptop hardware and remains an evaluation-stage system, not a deployed or clinically validated product.

Offline Multilingual Support

Developed localized interface and language-support components intended to operate without a continuous internet connection.

Voice Support Layer

Developed local phoneme and text-to-speech experiments for multilingual communication workflows.

Let's build systems that perform.

If you are facing complex technical choices, need to align a scaling team, or want to build a secure, local-first system that performs under pressure, let's connect.