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Engineering Portfolio

Explore working prototypes and case studies across business operations, Go and Python services, PHP/WordPress plugins, React and TypeScript, integrations, fintech and mobile. Each project explains the problem, the technical evidence and what can be tested.

Afremit education payment pilot workflow illustration
Co-founder / Venture Pilot

Afremit

A working test-payment journey for families abroad and African schools, with provider onboarding, clear fee requests and reviewer-gated simulated release. Healthcare and construction pilots use the same foundation.

JavaScriptCloudflare PagesSupabasePayment Workflow
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Africa Payment Reconciliation Lab case study preview
Fintech and Backend Engineering

Africa Payment Reconciliation Lab

A working fintech reconciliation MVP demonstrating signed webhooks, idempotency, ledger matching, exception recovery and auditable payment operations.

TypeScriptNode.jsREST APIsWebhooks
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AI Agent Security Sandbox case study preview
AI Security Engineering

AI Agent Security Sandbox

An interactive AI agent control plane demonstrating least privilege, human approvals, audit evidence, prompt-injection containment and recovery.

JavaScriptPolicy EngineLeast PrivilegeApproval Gates
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WooCommerce Integration Reliability Kit case study preview
WordPress and API Engineering

WooCommerce Integration Reliability Kit

An installable WooCommerce plugin for signed provider requests, idempotent delivery, bounded retries, secure credentials and failed-order recovery.

PHPWordPressWooCommerceREST APIs
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Offline-First SME Operations Suite case study preview
Offline-First Product Engineering

Offline-First SME Operations Suite

A working offline-first PWA using IndexedDB, service workers, durable synchronization, inventory protection and explicit conflict resolution.

PWAIndexedDBService WorkersOffline First
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Developer Productivity & Release Intelligence Hub case study preview
Developer Platform Engineering

Developer Productivity & Release Intelligence Hub

An interactive release-intelligence dashboard connecting deployments, DORA-style metrics, CI health, incidents and service ownership.

JavaScriptCI/CDDORA MetricsDevOps
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Concept illustration for EventFlow Go
Go / Reliable Event Delivery

EventFlow Go

When an order changes, the next system needs the update even if it is temporarily unavailable.

GoPostgreSQLHTTP APIs
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Concept illustration for IntakeDesk
WordPress / Client Intake

IntakeDesk

Make it easier to see where every new enquiry stands before work begins.

PHPWordPressPlugin
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Concept illustration for VendorPulse
WooCommerce / Store Operations

VendorPulse

Give slow and stuck orders a clear human follow-up instead of another forgotten dashboard number.

PHPWooCommerceWordPress
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Concept illustration for PacketLens
Python / Document Review

PacketLens

See which required documents arrived, which still need review, and why a packet is not ready.

PythonFastAPIDocuments
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Concept illustration for SignalDesk
React / Operations Console

SignalDesk

Put exceptions from separate workflows into one place with an owner and a next action.

ReactTypeScriptOperations
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Concept illustration for BridgeGate
Node.js / Integration Gateway

BridgeGate

Make a failed system handoff visible and recoverable.

Node.jsTypeScriptSQLite
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ChangeMap illustration showing an approved change across customer and staff touchpoints
Change Delivery / Operations Prototype

ChangeMap

Track an approved change across pages, forms, emails and team instructions, with owners, human verification and revision history.

JavaScriptDecision WorkflowLocal Storage
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SourceCheck illustration comparing two records and highlighting a conflict
Data Reconciliation / Review Prototype

SourceCheck

Compare two CSV snapshots, surface conflicting or missing records and give a reviewer a reasoned decision queue.

JavaScriptCSV ParsingHuman Review
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WorkflowFit illustration comparing baseline and pilot process stages
Pilot Evaluation / Workflow Prototype

WorkflowFit

Follow cases through five stages, compare fictional baseline and pilot timelines and write a fair test brief.

JavaScriptProcess MetricsPilot Design
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Mobi-Kumbu case study preview
Fintech and Mobile Engineering

Mobi-Kumbu

A multichannel mobile-money platform connecting smartphone, USSD and operational workflows across five markets.

MobileUSSDREST APIsAWS
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FreshBox Tech Marketplace case study preview
WordPress and Marketplace Engineering

FreshBox Tech Marketplace

A multi-vendor WooCommerce marketplace extended with custom PHP, navigation and vendor-catalog systems.

WordPressWooCommercePHPWCFM
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Bpétale case study preview
Commerce and Product Design

Bpétale

A founder-led multi-brand commerce and content ecosystem built across Webflow, WordPress and Elementor.

WordPressElementorWooCommerceSEO
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Eth AI Forecaster case study preview
Machine Learning Engineering

Eth AI Forecaster

An experimental Python pipeline for collecting, analyzing and forecasting Ethereum price movement.

PythonJupyterpandasyfinance
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Fashionista Africa case study preview
WordPress Development

Fashionista Africa

A responsive WordPress storefront created for an independent African fashion brand.

WordPressResponsive DesignCMS
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Leads Tracker case study preview
Browser Extension Development

Leads Tracker

A lightweight Chrome extension for saving and retrieving useful web links locally.

JavaScriptChrome ExtensionsLocal StorageVite
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Building something that needs to work beyond the happy path?

I help teams turn complex product, integration and reliability requirements into clear, maintainable software.