Systems we've engineered

Real products, real clients, real complexity. Every project below involved non-trivial regulatory constraints, deep domain knowledge, or architectural challenges that required us to build from first principles.

InsurTech · IFRS 17 · Multi-tenant

Provisio v3.0

2023 — 2024
Django PostgreSQL Python Vue 3 Celery

A full-scale IFRS 17 insurance accounting platform supporting PAA, GMM, and VFA with automated disclosure pack generation and IPEC regulatory returns.

  • Three measurement models in a unified platform
  • CSM roll-forward with OCI/P&L disaggregation
  • IFRS 4 → IFRS 17 transition engine
  • Conduit integration layer with SHA-256 sealed output
  • ZiG/USD restatement under RBZ directives
3
Measurement models
30+
Disclosure items
IPEC
Returns
LegalTech · SaaS · Multi-tenant

LexCore

2024
Django 6 PostgreSQL Vue 3 TypeScript

Legal practice management SaaS for Zimbabwe's legal market with LSZ trust accounting, High Court Rules compliance, and ZIMRA VAT invoicing.

  • LSZ trust accounting with 3-way reconciliation
  • High Court Rules deadline engine
  • ZIMRA VAT compliance and fiscal hooks
  • Schema-per-tenant Django 6 architecture
LSZ
Trust compliant
ZIMRA
VAT compliant
SaaS
Multi-tenant
HealthTech · Mobile · Offline-first

CareLink Hybrid

2024
Flutter Django SQLCipher Gemini AI

Offline-first mobile healthcare platform for community health workers in rural Zimbabwe with AI diagnostic assist and end-to-end encryption.

  • SQLCipher encrypted local DB
  • Delta-sync conflict resolution
  • Gemini AI diagnostic assist with PII stripping
  • Biometric device lock
100%
Offline capable
E2E
Encrypted
AI
Diagnostic assist
Fintech · Multi-currency · Wallet

MultiCurrency Vault

2023
Django Kotlin React PWA Paynow ZW

A multi-currency wallet SaaS for Zimbabwe supporting USD, ZiG, and ZAR wallets with Paynow integration and RBZ rate feeds.

  • Three-currency wallet (USD/ZiG/ZAR)
  • Paynow Zimbabwe integration
  • Africa's Talking SMS OTP
  • ZIMRA-compatible receipts
3
Currencies
RBZ
Rate compliant
PWA+Native
Dual client
E-commerce · API · Auth

Spring Boot Store API

2024
Spring Boot PostgreSQL Redis JWT Bucket4j Docker

Production-grade e-commerce REST API with JWT refresh token rotation, Redis token blacklist, and Bucket4j rate limiting.

  • JWT + refresh token rotation with Redis blacklist
  • Bucket4j per-IP and per-user rate limiting
  • Spring Security RBAC
  • Full OpenAPI 3.0 specification
JWT
Auth + rotation
Redis
Token blacklist
Bucket4j
Rate limiting

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