Salah El Rzzaz
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ENGINEERING MANAGER · FINTECH · SAAS · DISTRIBUTED SYSTEMS

Building reliable systems.
Leading teams that deliver.

Engineering Manager with 14+ years of experience building fintech and SaaS platforms, distributed systems, payment solutions, and high-performing engineering teams.

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  • 14+ Years
  • Fintech
  • SaaS
  • Distributed Systems
  • Architecture
SaaS platform architecture overview

What I Work On

  • System Design

    Scalable, maintainable systems built for reliability and scale.

  • Fintech & Payments

    Payments, wallets, settlement, and the rails behind financial products.

  • SaaS Platforms

    Multi-tenant products, subscriptions, and scalable platform architecture.

  • Engineering Leadership

    Leading teams, driving delivery, and building strong engineering culture.

  • .NET

    C#, ASP.NET Core, APIs, and modern enterprise applications.

  • Cloud & Kubernetes

    Containerized apps, Kubernetes, observability, and operations.

Selected Work

  • Payment Platforms

    Designing payment platforms covering transaction processing, provider integrations, settlement, reconciliation, reliability, and financial workflows.

  • Remittance & Wallet Systems

    Building remittance and wallet platforms covering routing, ledgers, idempotency, concurrency, messaging, and provider integrations.

  • SaaS & Product Platforms

    Designing and delivering multi-tenant SaaS products, enterprise platforms, APIs, cloud infrastructure, CI/CD, observability, and scalable product architecture.

Featured Articles

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Profile

Salah El Rzzaz

Engineering Manager with 14+ years of experience across fintech, SaaS products, distributed systems, software architecture, integrations, and engineering delivery.

14+

Years Experience

Fintech

Payments & Financial Systems

SaaS

Platforms & Products

Architecture

Distributed Systems