Work

Systems I've
designed and shipped

Distributed backends, developer tools, and ML services — grouped the way they actually run in production.

DetailsSource ↗

API Gateway

Auth, authorization, rate limiting, and request routing across the PropSpaceX cluster.

Node.jsTypeScriptExpressgRPCProxy
DetailsSource ↗

User Service

Hybrid authentication — traditional email/password and blockchain wallet login, plus device trust.

JWTPostgreSQLWallet AuthgRPC
DetailsSource ↗

Property Service

Property lifecycle with decentralized ownership verification via Ethereum smart contracts.

MongoDBEthereumgRPCWeb3
DetailsSource ↗

Media Service

Multi-provider media with Sharp optimization and S3/Cloudinary abstraction.

AWS S3CloudinarySharpgRPC
DetailsSource ↗

Mail Service

Async transactional mail with RabbitMQ, retries, and dead-letter queues.

RabbitMQNodemailergRPCDLQ
DetailsSource ↗

Payment Service

Stripe, Paystack, and Flutterwave with webhooks and reconciliation.

NestJSStripePaystackFlutterwave
DetailsSource ↗
DetailsSource ↗
DetailsSource ↗
DetailsSource ↗

Need a backend built properly?

From gateway design to queues and data stores — let's talk scope.

Discuss a project