Work

Real businesses, real systems.

Two kinds of work: ongoing partnerships where I’m the fractional CTO, and discrete projects I designed and built. Every one is a long-term system, not a one-time job.

CTO partnerships

Ongoing fractional CTO relationships, on retainer.

Project case studies

Discrete projects, from compliance platforms to international e-commerce.

  • Vamparossa

    E-commerce (United States)

    US e-commerce for wood-fired pizza oven gas burners. A normalised product catalogue API on Railway-hosted PostgreSQL, a Next.js storefront, and migration off legacy WordPress.

    Next.js · FastAPI · Railway · PostgreSQLLive site for Vamparossa

  • TenantFlow

    Property management

    Rental portfolio management covering the full leasing lifecycle, from tenant applications and screening to leases, maintenance requests and move-out.

    Next.js · Supabase

  • Cygnia Technology

    PropTech

    A platform for property managers, tenants and owners that streamlines portfolio management and the tenant experience.

    Next.js

  • Ziada Credit Solutions

    African finance

    Receivables finance for African businesses: factoring, supply chain finance and forfaiting to unlock working capital.

    Web app

  • Serendipity Farm Group

    Agriculture & e-commerce

    Fresh produce, accommodation and solar under one platform, with cart, Clerk authentication and an admin dashboard.

    Next.js · Clerk

  • Roth Trading

    UN & NGO procurement

    Procurement and logistics for UN agencies, NGOs and government, sourcing and delivering African goods worldwide.

    Web app

  • FSQ Excellence

    Food safety consulting

    Food safety and quality consultancy: certification pathways, compliance guidance and structured data for discovery.

    Next.js · SEO

  • Halo Business Administrators

    Financial recovery

    Business rescue and financial recovery firm, built on a dark editorial design system.

    Next.js · Figma

  • Sew Much Better

    Retail & e-commerce

    Sewing, embroidery and wool specialist in Johannesburg: product catalogue, workshop bookings and machine-repair scheduling.

    WordPress · E-commerce

Want to be next?

I take on a small number of new clients each year. Tell me what you’re building.

Book an Ideas session

1 hour · R850, or 45 minutes · R550 · remote or in person, same price

or email henry@erzo.co.za

South African time (SAST, UTC+2). I reply to every message myself, within 24 hours.