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ParcelNow vs CaseNotes vs Picking & Packing app

The problem, what was built, the stack and the outcome, next to each other.

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In common

  • Shared stack: none in common
  • Order: ParcelNow (2025 – 2026) → Picking & Packing app (2025 – 2026) → CaseNotes (Feb 2026 – present)

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ParcelNow ›

On-demand parcel delivery with real-time tracking

CaseNotes ›

South African legal research, e-discovery and learning, powered by AI

Picking & Packing app ›

A Kotlin warehouse app for fulfilment teams

At a glance

Role
Technical lead, Smart Kitchen Co
When
2025 – 2026
Length
1 yr
Status
Delivered
Type
Web, Platform
Role
Founder / Lead Engineer
When
Feb 2026 – present
Length
9 mo so far
Status
Live
Type
AI, Web, Mobile
Role
Lead, Smart Kitchen Co
When
2025 – 2026
Length
1 yr
Status
Delivered
Type
Mobile

The problem

Customer and operations dashboards with backend services for parcel lifecycles, tracking events and notifications, built for high-throughput transactional workflows.
South African legal information is scattered across portals with limited keyword search, while international e-discovery platforms are often priced beyond the local market.
An Android app that drives picking and packing for warehouse and fulfilment operations.

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
  • PostgreSQL
  • Redis
  • Docker
  • Next.js
  • FastAPI
  • PostgreSQL
  • pgvector
  • Neo4j
  • Redis/ARQ
  • Azure OpenAI
  • LangChain
  • LangGraph
  • Kotlin
  • Android

Highlights

  • Next.js dashboards over FastAPI services
  • Live delivery updates through logistics and messaging integrations
  • 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
  • Led architecture and development
  • Built in Kotlin for warehouse floor use

Infrastructure choices

  • Docker-based development and deployment standards
  • 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.
—