Available worldwide · Open to remote & on-site roles

I build the backend that moves money — securely, at scale.

Senior backend-heavy fullstack engineer & technical lead with 8+ yearsshipping production fintech: cross-border payments, virtual card issuance, KYC/AML, and end-to-end encryption. Former CTO at a pan-African neobank.

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Selected work

Production systems, told as case studies — not code dumps.

PaymentsFintechArchitecture

Cross-Border RateEngine

Technical Lead / CTO · 2023 — Present

The core pricing layer of Hizo's neobank — a cross-border rate engine driving FX conversion, internal rate sourcing, and liquidity routing across remittance and crypto flows.

LaravelPHPPostgreSQLRedisTypeScript
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KYCSecurityArchitecture

Tiered KYC System (Prova)

Technical Lead / CTO · 2023 — Present

Hizo's provider-agnostic KYC platform — tiered identity verification (Smile ID and others) with progressive feature gating that unlocks products as users complete higher verification levels.

LaravelPHPPostgreSQLSmile IDTypeScript
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PaymentsSecurityFintech

Hizo Global Virtual Card

Technical Lead / CTO · 2023 — Present

Architected and shipped USD virtual card issuance for a pan-African neobank — schema, REST API, security, and Interlace SDK integration — live across multiple African markets on iOS and Android.

LaravelPHPPostgreSQLRedisInterlace SDK
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SecurityPaymentsMobile

End-to-End Encryption Layer

Technical Lead / CTO · 2023 — Present

A modern end-to-end encryption layer (X25519 key exchange, HKDF-SHA256, AES-256-GCM) for secure virtual-card detail reveals, with a Flutter client SDK so sensitive data is never exposed in transit or at rest on the server.

X25519AES-256-GCMHKDF-SHA256LaravelFlutter / Dart
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What I work with

Backend

  • PHP / Laravel (8+ yrs)
  • Node.js / NestJS (5+ yrs)
  • TypeScript
  • REST API design
  • WebSockets
  • Redis queues

Payments

  • Virtual card issuance
  • Cross-border FX & remittance
  • KYC / AML pipelines
  • Webhook architecture
  • Event-driven integrations

Frontend & Mobile

  • Vue / Nuxt (5+ yrs)
  • React / Next (4+ yrs)
  • Tailwind CSS
  • Flutter / Dart

DevOps & Security

  • Docker
  • CI/CD
  • AWS / DigitalOcean
  • Cloudflare WAF
  • OWASP Top 10
  • E2E encryption

Looking for a senior backend / fullstack engineer?

I’m open to remote and on-site roles. Let’s talk about what you’re building.

Contact me