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Projects

Welcome to my tinkering workspace. Here you will find a collection of my hobby projects some inflight. I am always working on something new, so check back often.View more of my projects

3

AgentPlane — AI-Powered JIRA Board

Full-stack AI project management tool — describe an epic in natural language, and a LangGraph multi-agent pipeline (Decomposer → Estimator → Assigner) breaks it into estimated, assigned sub-issues streamed back via SSE; results land on a Plane-style Kanban board you can edit and export.

16

SwarmBench Multi-Agent LLM Empirical Study

A seven-trial empirical investigation of when multi-agent LLM decomposition outperforms single-agent execution on Kimi K2.5 — falsifying three pre-registered hypotheses and identifying the structural bottlenecks where the wedge collapses.

3

PesaCore API — .NET 10 Fintech Platform

ASP.NET Core 10 / Clean Architecture fintech API exploring modern .NET idioms — CQRS via MediatR, Polly retry + circuit breaker, FluentValidation, EF Core, OpenTelemetry, Serilog, and an IIS / Windows Server hosting profile.

5

LendStream — Polyglot Micro-Lending Platform

Event-driven micro-lending platform built with Java 21, Clojure, React/TypeScript, Kafka, and CQRS. Runs on Docker Compose locally (15 containers with full observability) or GCP Cloud Run at $0-3/month.

1

BSD Engine — Business Services Diagnostic Platform

Full-stack business diagnostics platform with Rust scoring engine, Next.js 16 dashboard, and AI-powered narrative generation via AWS Bedrock

2

UniCorns - Multi-Tenant SaaS Super-App for African SMBs

A comprehensive multi-tenant business management platform featuring 5 Rust microservices, Next.js 16 frontend, native Android app, and AI-powered features for healthcare, retail, and professional services

10

PowerHub QA Mobile

Mobile-first QA testing dashboard with gamification for PowerHub across African markets

2

Elixir Identicons

Generate unique identicon avatars from strings using Elixir

23

Rust Hands-on

This repo hold the course contents for the Coursera Rust Data Engineering Course.

1

Idyllic Chat Bot

AI-powered conversational chatbot with natural language understanding

30

Go Specialization course by University of California, Irvine Certification

A selection of easy, medium, hard questions soltions to some LeetCode problems with runtime and space analysis

48

Headless eCommerce Project

A C2B and B2B e-Commerce app leveraging headless e-Commerce, it contains a full beginning to end user experience including a fully functional checkout with email notifications of orders, purchases etc. I am using Swell as my preferred headless e-Commerce solution.

25

Web3 Crypto-Blockchain DApp (Decentralized Application)

A Decentralized App running on a testnet leveraging BlockChain technology, Oracles to fetch off-chain data and implements smart coontracts to achieve some business logic, contracts deployed on the testnet. This app can facilitate the transfer of crypto currencies, supported ETC, SOL, BTC but it's a work in progress, more to be done with POW (Proof of Work) as the next steps while adding more features.

9

UniRides — Ride-Sharing Reimagined

Production-grade ride-sharing platform with real-time Google Maps integration, Places Autocomplete, live ETA via Distance Matrix API, Kenyan market-rate pricing, and a FastAPI + GCP Cloud Run backend. Full-stack Next.js 16 PWA deployed on Vercel / Fly.io.

1

Wave Application — Senior ML Engineer (LLM & Voice)

Full-stack polyglot submission for Wave's Senior ML Engineer role. Next.js 16 PWA dashboard + Rust/PyO3 backend + AWS CDK infrastructure with Bedrock, SageMaker, and persistent Upstash Redis submissions.

5

Interactive Resume with AI Chatbot

A modern, interactive resume web application featuring an AI-powered chatbot that answers questions about my professional background, built with Next.js 16 and deployed on Fly.io

37

PayGoHub - Solar Pay-As-You-Go Platform

ASP.NET Core 10.0 MVC platform for solar home system management — payments, loans, installations, device monitoring — deployed to GCP Cloud Run (africa-south1) with Google OAuth and EF Core on Cloud SQL PostgreSQL.

1

Veriphrase

Confirmation code encoder/decoder for secure verification workflows

2

Park and Pick

Full-stack e-commerce platform built with Next.js Commerce and Shopify

3

Learning Hub

Interactive educational platform with AI-assisted learning paths

72

developer.ericgitangu.com

Personal portfolio and technical showcase — Next.js 13 App Router, Contentlayer MDX project pages, Upstash Redis view counting and Snake leaderboard, 79-certification carousel across 9 authorities, virtual vCard/ICS business card with QR code, PWA, Framer Motion, and a canvas Snake game with mobile swipe + haptic support.

22

Hackerrank Solutions

A selection of easy, medium, hard questions soltions to some HackerRank problems with runtime and space analysis

27

A FinTech ecommerce Project

A C2B leveraging sanity, it contains a full beginning to end user experience including a fully functional checkout capability.

2

PawaCloud Assistant — AI Cloud Advisor

AI-powered chatbot with Google Gemini 2.5 Flash, Rust+PyO3 text processing, Next.js 16 PWA frontend, PostgreSQL persistence, and GCP Cloud Run deployment

5

Paul Ledama Memorial

A loving tribute website celebrating the life of Paul Ledama Sekento (1983-2026)

106

Deveric Blog

Django-powered tech blog deployed on Fly.io with PostgreSQL

8

Reflekt Journal

AI-powered journaling app with sentiment analysis, insights, and PWA support

19

Online Assessments Prep Guide

A comprehensive Online Assessments (OA) guide with an emphasis on DSA.

56

Vishnu Systems Inc.

An AI/ML vulnerability scanner for medical applications.

34

Inventory Management System

An inventory management progressive web app (PWA) built with Next.js, Tailwind CSS, and TypeScript.

39

BawBab Technologies Inc.

A B2B Digital Addressing Infrastructure (DAI) built on Azure Cloud

29

LeetCode Solutions

A selection of easy, medium, hard questions soltions to some LeetCode problems with runtime and space analysis

45

Amazon Clone

A C2B and B2B e-Commerce app leveraging headless e-Commerce, it contains a full beginning to end user experience including a fully functional checkout with email notifications of orders, purchases etc. I am using Swell as my preferred headless e-Commerce solution.