Joseph Kimenyu
Available for freelance & full-time roles

Software
Developer.

Backend-first. Full-stack capable. Production-obsessed.

I help businesses build web apps, mobile apps, and integrate AI tools into real products, from idea to launch. 5+ years shipping software across fintech, SaaS, and e-commerce, from Nairobi to the world.

Nairobi, Kenya · Remote-first

Web & Mobile Apps

I build products people actually use: fast, reliable, and built to scale as your business grows.

Backend Systems & APIs

The engine behind your product. I design systems that handle real load, with clean architecture and measurable impact.

AI Integration

I integrate AI tools and LLMs into your existing products, automating workflows and unlocking new capabilities.

Node.jsTypeScriptGoPythonReactNext.jsFlutterFastAPIDjangoPostgreSQLMySQLMongoDBRedisDockerAWSOpenAI API

Featured Projects

All projects

A complete, mountable authentication and authorization package for Go apps using the Chi router. Inspired by Django's Djoser.

A complete, mountable authentication and authorization package for Go apps using the Chi router. Inspired by Django's Djoser.

GolangAuthenticationMiddlewareAUthorization

DocIntelligence — Multi-Tenant RAG API for AI Document Querying

A production-grade Go API that enables users to upload documents and query them using AI, returning accurate answers with source citations via a Retrieval-Augmented Generation (RAG) pipeline.

Go (Golang 1.26+)Chi RouterPostgreSQLpgvector

JobPlatform FastAPI

An AI-powered job platform API built with FastAPI that connects applicants and employers — featuring OpenAI resume parsing, Google OAuth, JWT auth, Redis rate limiting, and a full CI pipeline with GitHub Actions.

Python, FastAPI, PostgreSQL, SQLAlchemy, Redis, OpenAI, Docker, Alembic, Pytest, GitHub Actions

Latest Articles

All articles

Let's build something great

Clean architecture. Measurable impact. Always.

Open to freelance projects, full-time roles, and interesting technical conversations.

Get in touch