Products architected, measured and shipped.

Selected production systems across marketplaces, SaaS, cloud platforms and retail infrastructure—each tied to a concrete operational result.

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What software engineering projects has Hamza built?

Hamza El Marjani has built production software across marketplaces, SaaS, cloud platforms and retail infrastructure. His work includes Havekar, a multilingual car-rental marketplace; VoolMotion, an AI-enabled motion-design SaaS; Vencyl, a GCP-native platform; and Primavera POS, a retail system processing more than 100,000 daily transactions.

Last updated: July 2026
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Havekar — Marketplace architecture · Go · Next.js
Marketplace

Marketplace architecture · Go · Next.js

Havekar

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A multilingual car-rental marketplace connecting international travelers with 120+ verified agencies across six Moroccan cities, powered by Go, Next.js, Supabase and Google Cloud Run.

Vencyl — Cloud platform · Go Fiber · Next.js
Cloud

Cloud platform · Go Fiber · Next.js

Vencyl

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A GCP-native platform with a Go Fiber API supporting 10,000 concurrent requests at 50–120 ms mean latency and a Next.js frontend that reduced page-load time by 30%.

Primavera POS — B2B systems · NestJS · MongoDB
B2B

B2B systems · NestJS · MongoDB

Primavera POS

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A business-critical POS platform serving 20+ retail locations and processing over 100,000 daily transactions, modernized with NestJS, MongoDB and Next.js.

A direct path from problem to production.

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Architecture

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Build

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Measure

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Scale

Engineering work, answered clearly.

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What kind of software does Hamza El Marjani build?

Hamza builds full-stack products, distributed systems, APIs, cloud platforms, desktop applications and developer tools. His core stack includes Rust, Go, TypeScript, Next.js, PostgreSQL, AWS, Google Cloud, Docker and Tauri.

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Which SWE projects show production-scale experience?

Havekar, VoolMotion, Vencyl and Primavera POS show production-scale experience. The portfolio includes systems with marketplace workflows, AI services, sub-100 ms P99 API latency, 10,000 concurrent requests, 98% availability and more than 100,000 daily transactions.

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Is Hamza available for senior software engineering work?

Yes. Hamza is available for senior software engineering opportunities and technical partnerships involving product architecture, backend systems, cloud performance, distributed systems and reliable full-stack delivery.

Building a product that needs to scale?

Let’s turn the system constraints into a clear engineering plan.