Selected Work · Active Commercial Portfolio

Things I’ve Helped Bring to Life.

Some started as an idea. Some started as a problem.
Some were businesses that simply needed someone to figure out what came next.

“When you have an ambitious idea for a software product, Harry Zahavi is the person you go to, if you want it done — and done excellently.”

Have the idea. Learn what you need to learn. Build the thing. Make it useful. If you need an architectural partner who actually executes, you're in the right place.

Create With Harry → Let's Talk
The Commercial Portfolio · Selected Works

Browse Active Work & Platforms

Explore ventures, client platforms, and high-concurrency systems built to solve real-world problems.

01 / 10
★ FEATURED
https://rigitix.com/ Zoom
rigitiX Brand Cover & Operating System
01 — FEATURED CO-FOUNDED · FOUNDER & CTO
Co-Founder & Chief Technology Officer

rigitiX

The Operating System for Africa's Live Experience Economy

Full-stack ticketing engine, cryptographic HMAC-SHA256 gate scanners, and atomic multi-gateway financial ledgers powering live events across Africa.

PHP 8.3 / Laravel 12 Redis Cluster FinTech Ledgers
Explore Case Study → Live ↗
coderigi.internal / studio-architecture
CodeRigi Core Active Studio Engine
Production Academy Software Studio Developer Peer Circle
02 — VENTURE FOUNDED & OPERATED
Founder & CEO

CodeRigi

Software Engineering Academy, Talent Ecosystem & Production Studio

A technology company and engineering ecosystem built to turn syntax learners into disciplined engineers shipping commercial systems under live traffic.

Architecture Full-Stack EdTech Systems
Explore Case Study →
omeaku.ai/cfo/command-center Zoom
OMEAKU AI Personal CFO Dashboard
01 — VENTURE FOUNDED · PRODUCT ARCHITECT
Founder & Chief Systems Architect

OMEAKU AI

Personal CFO & Real-Time Financial Intelligence Operating System

Personal wealth and liquidity operating system answering "Can I afford this today?" via mathematical Safe-To-Spend logic and debt velocity modeling.

FinTech AI Reasoning Engine Personal Finance
Explore Case Study →
https://tradexhirne.com Zoom
Tradexhirne Crypto Platform
02 — CLIENT BUILD CLIENT BUILD · BUILT THROUGH CODERIGI
Lead Full-Stack Architect

Tradexhirne

A Unified FinTech & EdTech Ecosystem for Crypto Traders

Full-stack trading ecosystem bridging real-time VIP signals, nested academy LMS, and automated 15-category utility bill settlements from crypto balances.

PHP / Laravel MySQL FinTech Wallets
View The Build → Live ↗
driplynk.internal / drops-engine
Commerce Core Limited Drops & Checkout
Product Variant Engine Sub-50ms Checkout Pipeline Multi-Rail Payments
02 — CLIENT BUILD CLIENT BUILD · BUILT THROUGH CODERIGI
Lead Developer · Product Engineer

Drip Lynk

Digital Commerce & Creator Lifestyle Platform

Bespoke digital commerce platform engineered to power creator-curated merchandise drops, dynamic shipping calculations, and friction-free checkout.

Digital Commerce E-Commerce Architecture Product Engineering
View The Build →
vfm.internal / match-simulation Zoom
VFM Tactical Match Simulation
02 — CLIENT BUILD CLIENT BUILD · BUILT THROUGH CODERIGI
Lead Systems Architect & Full-Stack Developer

Virtual Football Manager (VFM)

Tactical Football Club Management & Closed-Loop Economy Engine

Mathematical Poisson match engine, double-entry transactional token ledger, escrow-backed player marketplace, and 2D canvas pitch visualizer.

Node.js Express.js PostgreSQL
View The Build →
isdma.media / headless-static-pipeline
Zero-DB Architecture 100% Pre-Rendered SSG
Decap CMS Git-Gateway Next.js App Router Sub-Second Viral Delivery
02 — CLIENT BUILD CLIENT BUILD
Lead Systems Architect & Frontend Developer

ISDMA Content Platform

Zero-Database Headless Journalism & Media Platform

Zero-database headless journalism platform eliminating SQL vulnerabilities and hosting bloat with Git-backed editorial publishing and sub-second load times.

Next.js 16 React 19 Decap CMS
View The Build →
https://imani.hzahavi.com Zoom
Imani Editorial Web Experience
03 — DIGITAL EXPERIENCE DIGITAL EXPERIENCE
Designer & Full-Stack Builder

Imani

High-Contrast Editorial Web Experience & Brand Canvas

Bespoke typography-first digital experience engineered with high-contrast luxury craft, GPU-accelerated CSS transitions, and 99+ Lighthouse speed.

Web Platform Editorial UI Interaction Design
Case Study → Visit ↗
https://vibesbarn.com Zoom
Vibes Barn Cultural Event Platform
03 — DIGITAL EXPERIENCE DIGITAL EXPERIENCE
Lead Web Architect & Developer

Vibes Barn

Event & Cultural Community Discovery Platform

Mobile-first digital discovery hub and cultural event platform connecting attendees to festival lineups, social photo walls, and instant ticketing.

Event Platform Cultural Web Mobile-First
Case Study → Visit ↗
cloud.internal / telemetry-ledger
Distributed Core Zero Downtime SLA
Idempotent Ledgers Redis Queue Clusters Multi-Tenant Partitioning
05 — SYSTEMS & ARCHITECTURE TECHNICAL LEAD · SYSTEMS ARCHITECTURE
Lead Systems Architect & Core Engineer

High-Concurrency Distributed Systems

Distributed Architectures, Mission-Critical APIs & Core Cloud Backends

Mission-critical architectures, asynchronous event buses, idempotent financial ledgers, and cloud systems handling millions of transactions with zero data loss.

Distributed Systems Cloud Architecture APIs
Explore Architecture →
01 / 10
Slide or swipe
Methodology & Execution

The Way I Work.

A disciplined, end-to-end framework for turning ambiguous problems into resilient software systems that survive the real world.

01

Understand the problem

Before writing a line of code or debating frameworks, I deconstruct what we're actually solving. Root causes, human incentives, and unit economics come before syntax.

02

Find the shape of the solution

Sometimes that's a lightweight MVP. Sometimes it's a high-throughput microservice. Sometimes it's killing unnecessary complexity entirely.

03

Make the hard decisions

Architecture, system boundaries, security postures, stack selection, and commercial trade-offs. Decisions made here determine survivability under scale.

04

Build the thing

Hands-on execution with production-grade rigor. Modern engineering standards, strict cryptographic/security boundaries, and zero vanity engineering.

05

Put it in the real world

A beautiful prototype in Figma or a staging server isn't a business. We launch under real market friction, take live traffic, and process real value.

06

Keep improving it

Launch is day zero. We inspect real user telemetry, optimize bottlenecks, harden vulnerabilities, and iterate based on empirical evidence.

Commercial Engagement

Four ways to engage Harry.

Clear, high-conviction models for founders, enterprises, and ambitious teams ready to build serious software.

01 — FULL-LIFECYCLE BUILD

BUILD SOMETHING

You have an ambitious idea, venture, or mission-critical system that needs to become reality. Full-lifecycle product ownership from architectural blueprint to live deployment.

Product Strategy · System Architecture · Full-Stack Engineering · Production Deployment
BUILD WITH HARRY →
02 — SYSTEMS & OPTIMIZATION

FIX OR SCALE A SYSTEM

You already have a product, engineering team, or technical stack — but you are hitting concurrency limits, architecture rot, security flaws, or delivery gridlock.

Architecture Audit · Concurrency & Latency · FinTech & Crypto Ledgers · Technical Recovery
ENGAGE AUDIT →
03 — TECHNICAL LEADERSHIP

FRACTIONAL CTO & ADVISORY

High-stakes technical and product direction for founders making pivotal infrastructure, stack, or hiring choices without full-time executive overhead.

Fractional CTO · Architecture Reviews · Engineering Hiring · Board & Investor Readiness
BOOK STRATEGY SESSION →
04 — DEDICATED SQUAD

CODERIGI STUDIO SQUADS

Deploy an apprentice-powered, senior-governed engineering squad from CodeRigi to build and maintain high-quality commercial software.

Dedicated Squads · Custom Platforms · Mobile & Web · Continuous Delivery
EXPLORE THE STUDIO →
THE ARCHIVE

Chronological Index

Complete record of companies, platforms, systems, and digital experiences
Year Project Category Role & Relationship Link
2024 — Present rigitiX 01 — BUILT & OPERATED Co-Founder & Chief Technology Officer CO-FOUNDED · FOUNDER & CTO Case Study →
2024 — Present CodeRigi 01 — BUILT & OPERATED Founder & CEO FOUNDED & OPERATED Case Study →
2025 — Present OMEAKU AI 01 — BUILT & OPERATED Founder & Chief Systems Architect FOUNDED · PRODUCT ARCHITECT Case Study →
2023 — 2024 Tradexhirne 02 — PRODUCT & TECHNOLOGY Lead Full-Stack Architect CLIENT BUILD · BUILT THROUGH CODERIGI Case Study →
2024 — 2025 Drip Lynk 02 — PRODUCT & TECHNOLOGY Lead Developer · Product Engineer CLIENT BUILD · BUILT THROUGH CODERIGI Case Study →
2026 Virtual Football Manager (VFM) 02 — PRODUCT & TECHNOLOGY Lead Systems Architect & Full-Stack Developer CLIENT BUILD · BUILT THROUGH CODERIGI Case Study →
2026 ISDMA Content Platform 02 — PRODUCT & TECHNOLOGY Lead Systems Architect & Frontend Developer CLIENT BUILD Case Study →
2025 Imani ↗ 03 — DIGITAL EXPERIENCES Designer & Full-Stack Builder DIGITAL EXPERIENCE Visit ↗
2024 — 2025 Vibes Barn ↗ 03 — DIGITAL EXPERIENCES Lead Web Architect & Developer DIGITAL EXPERIENCE Visit ↗
2023 — Present High-Concurrency Distributed Systems 05 — SYSTEMS & ARCHITECTURE Lead Systems Architect & Core Engineer TECHNICAL LEAD · SYSTEMS ARCHITECTURE Case Study →

Have an ambitious idea you need to turn into real software?

Tell me what you're building.
If there is alignment on discipline, standards, and execution, we'll build something remarkable.

START A PROJECT → BOOK A CALL