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Ventaw vs CaseNotes vs Multichoice installer payments
The problem, what was built, the stack and the outcome, next to each other.
Clear · Up to 3 at a time
In common
- Shared stack: none in common
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Ventaw ›
Secure, isolated environments for developer workloads
CaseNotes ›
South African legal research, e-discovery and learning, powered by AI
Multichoice installer payments ›
R5M+ paid to installers in the first six months
At a glance
- Role
- Founder / Lead Engineer
- When
- In progress
- Length
- —
- Status
- In progress
- Type
- Platform, Web
- Role
- Founder / Lead Engineer
- When
- Feb 2026 – present
- Length
- 9 mo so far
- Status
- Live
- Type
- AI, Web, Mobile
- Role
- Integration engineer
- When
- Delivered
- Length
- —
- Status
- Delivered
- Type
- Platform
The problem
Environment provisioning, session management and resource monitoring, designed for security, multi-tenancy and concurrent workloads.
South African legal information is scattered across portals with limited keyword search, while international e-discovery platforms are often priced beyond the local market.
Integrated the installer management system into Multichoice's payment process so installers are paid accurately and on time.
What was built
—
An integrated research, e-discovery and learning platform: hybrid semantic search across more than 10,000 judgments, a precedent citation graph, structured document extraction, AI-assisted discovery and stateful research workflows.
—
Stack
- Next.js
- FastAPI
- Docker
- Next.js
- FastAPI
- PostgreSQL
- pgvector
- Neo4j
- Redis/ARQ
- Azure OpenAI
- LangChain
- LangGraph
- Payments integration
Highlights
- Next.js management interface
- FastAPI orchestration APIs
- Five-stage Graph RAG pipeline in LangGraph
- Hybrid pgvector and Neo4j retrieval, and a TAR active-learning loop
- Human-in-the-loop tool-calling chat with PostgreSQL checkpoints
- MCP server for case search and drafting
- Processed over R5 million in installer payments within six months
Infrastructure choices
—
- pgvector + Neo4j
- Redis / ARQ workers
- LangGraph with PostgreSQL checkpoints
—
Outcome
—
An integrated research and review platform grounded in more than 10,000 judgments, with a structured learning bank of 1,624 rubric-scored questions. The architecture supports resumable jobs, traceable sources and human review.
Over R5 million in installer payments processed within six months.