First-author evidence behind WHO’s 9 March 2026 TB diagnostic recommendations.
I lead production data systems for multi-country TB and HIV research at the Bamenda Centre for Health Promotion and Research. My 2026 openRxiv preprint on sputum pooling sits at the core of WHO’s March 2026 recommendation.
10 min – 3h cadence
99%+ uptime
When a pipeline shapes a recommendation.
ORGANIZATION
WHO Operational Handbook on Tuberculosis · Module 3: Diagnosis · 2026 update
“Pooled testing approaches may be considered for high-volume settings where individual testing is constrained, with appropriate operational safeguards…”
Production systems that move policy.
GeneXpert MTB/RIF — 16-Lab Pooled Testing Pipeline
4,942-line pipeline ingesting multi-site GeneXpert MTB/RIF CSV exports, harmonising French/English bilingual records, consolidating pooled + individual TB test results — the data backbone of the 2026 openRxiv preprint (first & corresponding author).
MANAGER.py — Accounting API Client
15,894-line Manager.io accounting client with Polars-optimised retrieval, server-side filtering reducing data transfer 99.5%, full CRUD across Costs/Projects/Transactions/Contacts/Assets across 7 regions of Cameroon.
HIV Viral Load Pooling — Abbott m2000
Pipeline supporting Scientific Reports 2025 paper. Pooled testing decoding, post-dated entry detection, exponential backoff REDCap API, ThreadPool parallel exports.
TB Reach Wave 10 Cameroon
Data management for active case-finding cascade across the North-West and South-West regions. Union 2025 abstract EP10-793-19.
GHIT FujiLAM II
Multi-country diagnostic accuracy evaluation of FujiLAM II for TB. Published in Clinical Infectious Diseases. DOI 10.1093/cid/ciaf709.
Pluslife MiniDock & Molbio MTB Ultima
Field evaluation of two near-POC molecular TB tests. Acquisition + harmonisation pipelines across decentralised sites.
Pipelines that report on themselves.
● airflow.bchpr.local
Built with deliberately chosen tools.
Evidence, not opinions.
Mbuh N.N. et al. Pooled GeneXpert MTB/RIF testing in Cameroon: a multi-site validation.
FujiLAM II diagnostic accuracy across multi-country sites.
HIV viral load pooled testing validation on Abbott m2000.
“Ngha built the data backbone that turned 16 noisy lab feeds into evidence the WHO could act on. That kind of work usually takes a team.”
Looking for a data lead who has shipped policy-grade evidence?
Open to senior data engineering / analytics roles in global health, scientific research, and consultancy. Based Bamenda, open to relocation.