Selected work

Things we've shipped.

A selection of open-source projects, prototypes, and engagements that show how we work — across engineering, analytics, and AI.
Filter /
Open source Data engineering
2025 Airflow · dbt

Modular ETL framework for African fintech

A reusable Airflow + dbt template for ingesting M-Pesa, Flutterwave, and POS data into a unified warehouse — with built-in quality tests and lineage.

AirflowdbtBigQueryPython
Prototype Analytics
2025 Streamlit · Pandas

Real-time SME revenue dashboard

An open-source Streamlit dashboard SMEs can drop on top of their POS database — daily KPIs, customer cohorts, and a leakage detector.

StreamlitPandasDuckDB
Methodology Audit framework
2024 Notion · SQL

Data-maturity audit framework

The two-week diagnostic we run with every new client — six dimensions, scored 0–4, with a prioritized 90-day roadmap as the output. Open-sourced as a template.

NotionSQLMethodology
Prototype Machine learning
2024 LangChain · Pinecone

Document summarizer for compliance teams

A local-context RAG system for summarizing long compliance documents, with citation, evaluation harness, and a guardrail layer for sensitive terms.

LangChainPineconeOpenAIPython
Open source Machine learning
2024 XGBoost · SHAP

Alternative-data credit scoring model

A gradient-boosted credit-scoring model that uses mobile-money transaction patterns instead of traditional credit history — with full SHAP explainability.

XGBoostSHAPscikit-learnFastAPI
Open source Machine learning
2024 Prophet · XGBoost

Demand-forecasting toolkit

A lightweight Python toolkit that benchmarks Prophet, ARIMA, and gradient-boosted regressors on retail demand data — with a reproducible CLI.

ProphetXGBoostPandas
More on GitHub

The full archive lives on GitHub.

Notebooks, reference architectures, and small-but-useful tools we've open-sourced over the years. Star, fork, or open an issue.

Like what you see?

Let's build the next one with you.