Hello, I'm Caldwell Kibe

Prospective Backend Engineer based in Nairobi, Kenya

I am working on understanding and building reliable and scalable backend systems using modern frameworks and cloud infrastructure. My work entails API design, database architecture, and distributed services powered by FastAPI, PostgreSQL, Docker, and AWS.

About Me

I'm a final year CS student at Strathmore University. I am currently learning the nuances in Python, system design and memory management with C++.

Technical Skills

Python C++ SQLAlchemy PostgreSQL FastAPI Redis Pytest Git Linux AWS CI/CD Docker

Projects

Event Ticketing API

FastAPI PostgreSQL SQLAlchemy Alembic Docker

A backend service for event ticket reservations and secure payments. Implements race-safe seat locking, authentication, and transaction rollback using PostgreSQL and FastAPI with clean migrations and tests.

Customizable Load Balancer

Python Docker Distributed Systems

A distributed backend service implementing consistent hashing with automatic failover, dynamic node registration, and health checks for fault-tolerant routing.

Serverless Image Analysis Pipeline

AWS Lambda S3 DynamoDB Rekognition

An event-driven backend built on AWS to process and analyze images in real time. Uses Lambda functions for compute, S3 for storage, and DynamoDB for metadata persistence.

Multi-Agent Research Tool

FastAPI WebSockets LangChain React

A full-stack platform powered by a FastAPI backend with WebSocket communication for real-time task execution. Supports multiple AI agents collaborating through a shared backend service.

CVE Chatbot API

Flask Python REST API

A Flask backend for querying and serving cybersecurity vulnerability data from the CVE database. Handles filtering, API responses, and integrates with a lightweight front-end for visualization.

Nutrition Q&A System

Flask FAISS Hugging Face Python

A backend API for answering nutrition-related questions using embeddings and vector similarity search. Built with Flask, FAISS, and Hugging Face for efficient information retrieval.

Jiji Safi — IoT Air Quality Monitor

MQTT Firebase Dart IoT

IoT backend infrastructure for real-time air quality data ingestion using MQTT. Includes cloud-based processing and a dashboard frontend for monitoring environmental conditions.

Get In Touch

Let's Work Together

I'm always interested in new opportunities, challenging projects, and creative collaborations. Whether you have a project in mind or just want to connect, I'd love to hear from you.

Email

wachirakibe6@gmail.com

Phone

+254742453295

Location

Nairobi, Kenya

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