Senior Backend Engineer — Node.js / TypeScript / PHP / Laravel / Python / Django / AWS
Lagos, Nigeria · lunquasar.com · [email protected]

7+ years shipping production backend systems across fintech, music distribution, e-commerce, and telecom. Self-taught. Currently leading backend at SongDis and building Token Radar — a real-time token screener for Base blockchain.

Primary

Node.js · TypeScript · Express.js · PHP 8 · Laravel · Python

Infrastructure

AWS (EC2, RDS, S3, App Runner, Amplify, VPC) · Docker · GitHub Actions · DigitalOcean · Contabo

Data

PostgreSQL · MySQL · Redis (cache, queues, pub/sub) · TypeORM · Sequelize

Payments & Integrations

Paystack · VFD Microfinance · Polar.sh · Topupbox · Xpress Wallet · Shopify · Business Central ERP

Auth & Security

JWT · OAuth2 · Laravel Passport · RBAC · IPSec VPN · SSL/TLS

SongDis — Music distribution SaaS
Multi-tenant platform for artists and labels across Africa. Multi-gateway payments (Paystack + Polar.sh as MoR), bulk metadata/CSV export, UPC auto-generation, Soundcharts stream analytics, AWS App Runner. Led a team of 4 engineers.
Laravel Node.js AWS Next.js 15 Paystack Polar.sh

Token Radar — Base blockchain token screener
Real-time screener for token launches on Base. Goldsky substream pipelines, Alchemy webhooks, multi-signal risk scoring. Telegram-bot-first.
Node.js/TS Goldsky Alchemy Docker nginx

TuneAlart — AI music detection platform
Detects AI-generated music via spectral pattern analysis, harmonic structure, and micro-timing signals. REST API returning Human / AI / Uncertain verdicts with confidence scores. Built for music distributors, record labels, sync licensing, and competitions — screens submissions at scale before they hit DSPs.
Node.js/TS REST API Audio Analysis Next.js

Zikor — Multi-vendor storefront
Full editorial redesign of the buyer-facing storefront. Laravel backend, Next.js 15 frontend.
Laravel Next.js 15 MySQL

Wami — Creatives hiring platform
Three-step OTP registration, Cloudinary uploads, interest-matching via pivot tables, Dockerised stack with GHCR + GitHub Actions CI/CD, Supervisor managing queue workers in production.
Laravel PHP 8 Docker GitHub Actions Redis

ADP VTU Platform — Telecom VTU
Airtime/data purchasing, VFD Microfinance wallet ops, Topupbox abstraction layer, Laravel Passport OAuth2 with fine-grained scopes, RBAC admin, KYC, AWS Site-to-Site IPSec VPN (MTN + Glo).
Node.js Laravel VFD Topupbox AWS

• 🔨 Building Token Radar (Base blockchain token screener)
• 📖 16-week senior engineer study plan — DSA, system design, AWS/DevOps
• 👀 Open to senior remote contracts and full-time backend roles

lunquasar.com · Twitter/X · LinkedIn · [email protected]