Dele

Sonaroid Energy

Category

SaaS / Backend (or Fintech, if you want to foreground the payments work)

Year

2026

Live Link
Sonaroid Energy

Role

Lead Backend Engineer, Sonaroid (Jan 2026 – Present)

Overview

Leading backend architecture for Sonaroid's analytics platform, spanning payments infrastructure, personalization, and security.

Key contributions

  • Architected a Netflix/Instagram-style recommendation algorithm that increased average session duration by 30%.
  • Designed and built a multi-currency subscription and payments platform in NestJS and TypeScript, including:
    • Location-based pricing (NGN/USD) with 7.5% VAT computation
    • FX-rate locking at transaction time
    • Dual gateway integration (Paystack and Flutterwave) with auto-renewal via saved cards
    • A creator earnings ledger with per-event payout multipliers and available-balance accounting
    • An auditable withdrawal state machine (NEW → PROCESSING → APPROVED → PAID_OUT)
    • A coupon and discount engine
  • Led AI-driven security protocol implementation across a 3-person engineering team.
  • Built the backend (REST) powering Sonaroid's companion mobile app, with UI work in React.

Stack

NestJS, TypeScript, PostgreSQL, Redis, Paystack, Flutterwave, REST, React Native, Docker, AWS

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