Sovereign Architecture Portfolio

Oyewole Favour

Software Systems Engineer | Full-Stack & Applied AI Architect

FlowSync

FlowSync

Real-Time Collaborative Kanban & AI Task-Orchestration Platform

Collaborative Kanban platform currently under active development, featuring a Hybrid Real-Time Engine (native Socket.io on dedicated hosts & Pusher Channels on Vercel Serverless), optimistic UI updates, drag-and-drop task management, and reactive notifications. Implements AI-assisted goal decomposition and context-aware task enrichment using a user-controlled BYOK workflow with AES-256-GCM credential encryption.

View Live DemoSource Code
TypeScriptNext.jsNode.jsExpressSocket.ioPusherPostgreSQLDrizzle ORMGemini APIAES-256-GCMPlaywright
VaultLedger

VaultLedger

Privacy-Focused AI Accounting & Financial Platform

Multi-tenant accounting application currently under active development, supporting client, invoice, line-item, expense, tax, and AI-assisted expense categorization workflows. Implements deterministic financial handling with PostgreSQL numeric fields, shared Zod validation, and AES-256-GCM encrypted BYOK credential vaulting.

View Live DemoSource Code
TypeScriptNext.jsNode.jsExpressPostgreSQLDrizzle ORMGemini APIZodAES-256-GCMPlaywright

Sovereign Technology Stack

The foundational architecture powering these systems.

TypeScriptTypeScript
JavaScriptJavaScript
PythonPython
Node.jsNode.js
Express.jsExpress.js
Next.js (App Router)Next.js (App Router)
ReactReact
PostgreSQLPostgreSQL
Drizzle ORMDrizzle ORM
PG
pgvector
GE
Gemini API & RAG
Socket.ioSocket.io
PU
Pusher Channels
PL
Playwright E2E
AE
AES-256-GCM Security
PO
Policy-As-Code Governance
Verified Feedback

Architectural Reviews

Authentic client feedback and system evaluations. Have you collaborated with me or evaluated these platforms? Submit a verified review.

★

No Reviews Submitted Yet

Reviews on this portfolio are submitted directly by verified clients and collaborators. Be the first to share your experience with the architecture.

Initiate Transmission

Looking for a robust technical partner? I architect platforms that scale gracefully under pressure. All communications are screened by an AI Gatekeeper.