Kofi E. Ampaabeng

Selected Work

Deep dives into the systems I’ve architected, built, and led — the detail a one-page résumé can’t hold.

RSS / rss-next — Regulatory Returns Framework

Production

Architect & Delivery Lead

A config-driven framework that lets banks define, generate, and submit regulatory returns — new return = new config, not code. In production across Ghana and South Africa.

  • Spring Boot 3.5
  • Java 21
  • React / TanStack
  • XBRL
  • OpenShift

RegAuth — Distributed Regulatory-Data Platform

Production-grade

Visionary, Architect & Engineering Manager

One of the few production systems that renders the full U.S. federal legal corpus as structured, queryable data.

  • PySpark
  • Spark SQL
  • Parquet
  • Apache Solr
  • Celery
  • Python

Vigil (Medusa) — Public-Discourse Intelligence

Built · larger infra than RegAuth

Visionary, Architect & Engineering Manager

A tightly-architected platform that ingests public discourse from 28+ sources — social, news back to 2010, and transcribed radio/TV — and correlates it with electoral and socioeconomic data to surface patterns and forecast outcomes.

  • Python / Celery
  • PostgreSQL + Solr
  • vLLM / Ollama / Claude
  • Whisper
  • FastAPI
  • Next.js

CWC Banking — Config-as-Code Core Banking

Production-bound

Architect & Owner

A from-the-ground-up core-banking platform where products, postings, and rules are versioned configuration — complete, and exceeding FlexCube on auditability.

  • Spring Boot 4
  • Java 21
  • Kafka
  • Oracle
  • PostgreSQL

CW DevOps — Internal Developer Platform

Open-sourcing

Creator

A self-hostable internal developer platform: provider-neutral, Terraform self-service, one-definition CI across 6 platforms, and governed AI delivery.

  • Python
  • Terraform
  • AWS / Azure / GCP
  • Kubernetes
  • Claude / MCP
  • Pipeline IR

ai-llm — Secure Multi-Model AI Gateway

Internal platform

Designed & built

A self-hosted gateway that routes a team's AI through one endpoint — local GPU inference with Anthropic/OpenAI fallback — behind PII redaction, injection defense, audit logging, and cost control.

  • LiteLLM
  • vLLM
  • Ollama
  • Presidio
  • Docker
  • Prometheus / Grafana

SYNCopated — Real-Time Collaborative Music Instruction

iOS beta (TestFlight) · 14 builds

Founder & Engineer

Remote piano lessons that feel in-person: shared score, low-latency MIDI and cursor sync, live annotations, audio/video, and a full teacher–student workflow — native iOS, with hard real-time and on-device audio DSP.

  • Swift 6 / SwiftUI
  • AVAudioEngine
  • WebSocket
  • LiveKit
  • Node/Express
  • Azure

NewsDiary — Social News Reader

Early build

Designer & Engineer

A multi-circle social news diary with AI annotation tools and cross-source clustering, across iOS and a Chrome extension.

  • Swift / SwiftUI
  • Chrome MV3
  • Hono / Bun
  • PostgreSQL
  • Drizzle