Oleg Derid (Deridol · LegHeart)
AI Reliability Solutions Engineer · Principal Test & Systems Architect · Business Analyst · Artist
Applying Deterministic AI, Executable Specifications, and Full-Lifecycle Verification across high-stakes enterprise domains.
Business Industries & Domains:
🛠️ B2B Consulting & Architecture Services (Available Today)
Deterministic AI Execution & Telemetry Harness (HARNESS)
Stop burning budget on unverified LLM retry loops. We wrap stochastic AI inside deterministic business-rule gates to achieve 65%–90% token & compute compression, 99.9% pre-delivery reliability, and 100% SHA-256 decision telemetry on cloud or standard bare-metal Linux servers.
Enterprise Business Analysis & Executable Specifications
End-to-end business analysis, BDD/Gherkin specification by example, and OpenAPI contract-first design across FinTech & Payments, Financial Trading, Retail POS & Self-Checkout, Fleet Compliance, and Solar Financing—bridging business and engineering with zero ambiguity.
Principal QA & Full-Lifecycle Verification Architecture
Designing composable E2E, API, mobile, and high-load performance verification frameworks (`10,500+` automated tests), bottleneck detection, and regulatory audit trails (`EU AI Act` & financial compliance) that protect engineering teams from burnout.
📂 Delivered Portfolio
Private Client Architectures & Upcoming Public Horizon
All commercial systems, payment & trading engines, retail POS suites, fleet compliance platforms, and verification harnesses delivered to date have been built exclusively for private enterprise clients under strict confidentiality agreements (NDAs).
✨ Public Portfolio Horizon: We are now incubating our first wave of independent, public-facing engineering tools and interactive systems. Kindly stay tuned—some genuinely interesting things are preparing to pop up on the horizon!
📜 Published Architectural Articles & Interactive Specifications (On Substack)
All full-length architectural articles and subscriber implementation know-how live on our Substack Publication. Select any headline below to read the full treatise on Substack:
1.1. Gödel’s Incompleteness Theorems, The PM Iron Triangle & Juridical Responsibility ↗
Why Engineering Can Never Be Replaced by Unverified Probabilistic AI — And How a Deterministic Harness Cuts Token Burn by 65–90%
1.2. Executable, Auditable Specifications Across Cohort Languages as the Mold for Product Structure ↗
How a Single Mathematical Specification Invariant Projects Simultaneously Across 8 Roles × 3 Depths × 5 Cultural Lenses (120 Combinatorial Molds)
1.3. The Creative Economy: Opinion & Data Futures to Remunerate Human Creativity ↗
From Floh de Cologne’s 1971 Profitgeier to 2026 AI Extraction: Attribution-Backed Data Futures (Data Shapley Value) & Epistemic Brier Calibration
🌐 Sovereign Publication & Abstract R&D Steering Ecosystem
Engineering Blog & Subscriber Implementation Know-How
Read all full-length architectural essays on Substack. Foundational essays are open to all readers, while deep implementation blueprints, production harness patterns, and field notes are reserved for subscribers.
Tech Project Steering & Abstract R&D Horizon
Join our Patreon lab to vote on and steer which of our 7 sealed R&D capsules unlocks first (kept deliberately abstract until each build crosses our release threshold):
[Vector α · EXP-01]Tactile Folk-Logic & Generational Canvas (Sealed Interactive Capsule)[Vector β · EXP-02]Asymmetric Trust & Co-Presence Protocol (Sealed Social Capsule)[Vector γ · EXP-03]Synesthetic Wavefront & Ambient Coupling (Sealed Cyber-Physical Capsule)[Vector δ · EXP-04]Temporal Lattice & Multi-Scale Topology (Sealed Spatial Capsule)[Vector ε · EXP-05]Zero-Entropy Algebraic Primitives (Sealed Native Tooling Capsule)[Vector ζ · EXP-06]Bounded Relational Cortex & State Bus (Sealed Core Systems Capsule)[Vector η · EXP-07]Poly-Dialect Invariant & Epistemic Matrix (Sealed Governance Capsule)