Hi, I'm Paul Babatuyi

Tech Stack

Recent Experience

Projects

• UploadStream-gRPC

  14/12/25, 11:23

  Tech Stack: Golang, gRPC, PostgreSQL, Kubernetes, Prometheus, Protocol Buffers
  GitHub: UploadStream-gRPC

  Overview

  Production-ready file transfer service in Go leveraging gRPC streaming for efficient multi-GB file handling, capable of 10k+ daily uploads.

  Key Features

  High-Performance Streaming

  • gRPC client/server streaming for large file handling
  • Chunked bidirectional streaming (64KB default chunks)
  • Memory-efficient transfers without loading entire files
  • Resumable uploads and downloads

  Data Management

  • PostgreSQL for ACID-compliant metadata storage
  • User ownership tracking and access control
  • Pagination support for file listings
  • Soft-delete with deleted_at timestamps
  • Filesystem abstraction for flexible storage backends

  Validation & Tooling

  • proto-validate for input validation
  • Protocol Buffers managed with Buf toolchain
  • Makefile for build/test automation and database migrations

  Cloud-Native & Observability

  • Kubernetes manifests for scalable deployment
  • Prometheus metrics and alerts for monitoring
  • Production-ready configuration
  • Modern Go practices (generics, gRPC ecosystem)
  • Cloud-native architecture and best practices

• RealTimeChat-gRPC

  14/11/25, 11:23

  Tech Stack: Golang, gRPC, MongoDB, Docker, Protocol Buffers
  GitHub: RealTimeChat-gRPC

  Overview

  Production-ready real-time chat service built with Go and gRPC bidirectional streaming for low-latency 1-on-1 messaging.

  Key Features

  Real-Time Communication

  • Built scalable, low-latency chat service using gRPC bidirectional streaming
  • Persistent real-time messaging with connection management
  • Efficient message delivery and acknowledgment

  Data Persistence

  • MongoDB persistence layer with optimized indexes
  • Efficient message storage and retrieval patterns
  • Modular repository pattern for clean architecture

  Security & Middleware

  • gRPC interceptors for authentication and authorization
  • Rate limiting to prevent abuse
  • JWT secret rotation for enhanced security
  • TLS/mTLS encryption for secure communication
  • Protocol Buffers managed with Buf toolchain

  DevOps & Testing

  • Containerized with Docker Compose (including MongoDB)
  • Comprehensive unit and integration tests following TDD practices
  • GitHub Actions CI/CD pipeline
  • Production-ready deployment configuration

• BMG-Go-Backend

  14/10/25, 11:23

  Tech Stack: React, React Native TSX, Golang, PostgreSQL, Docker
  GitHub: BMG-Go-Backend

  Overview

  Full-stack inventory management system with React/React Native TSX frontend and Go backend, handling 20k+ daily operations.

  Key Features

  Backend Architecture

  • Developed RESTful API in Go powering React Native inventory app
  • Clean layered architecture: handlers → services → repositories → domain
  • Dependency injection pattern for testability and maintainability

  Database & Data Layer

  • PostgreSQL integration via sqlx with repository pattern
  • Automated database migrations for schema versioning
  • Efficient data access patterns for high-volume operations

  Security & Middleware

  • JWT-based authentication and authorization
  • CORS handling for cross-origin requests
  • Rate limiting to prevent abuse
  • Security best practices and hardening

  Features

  • Authentication and user management
  • Item/inventory CRUD operations
  • File upload handling
  • Dockerized for deployment

Blogs

• 21 Jan 2026
  File Upload-Stream Service with gRPC
• 19 Jan 2026
  Go Backend Simplest Redis Caching
• 17 Jan 2026
  REST API with Clean Architecture in Go