# Lavu Mweemba — Research & Engineering

> Academic portfolio of a Zambian low-resource NLP researcher and systems engineer working on African language technology, responsible AI, and dependable public-interest systems.

Canonical website: https://lavumweemba.com/
Contact: lavum27@gmail.com
Location: Zambia

## Primary research

- Bemba–English offline neural machine translation
- 350,000 parallel sentence pairs
- mBART with LoRA/QLoRA and 4-bit quantisation
- BLEU 35.9 and METEOR 52.4
- Human evaluation with 50 native Bemba speakers
- Research-model profile: https://huggingface.co/lavumweemba
- Source repository: https://github.com/lavu1/BembaTranslationOffline

## Published research record

- Cyber Fraud in Social Welfare Systems: How Scammers Exploit Jobs, Cash Transfers, and Information Gaps in Zambia — published conference proceedings and indexed on Google Scholar
- Leveraging Information Systems for Climate Change Mitigation and Adaptation: A Case Study of Developing Countries Learning from Developed Countries — published conference proceedings and indexed on Google Scholar

## Authoritative profiles

- Google Scholar: https://scholar.google.com/citations?user=XB-8kQ8AAAAJ&hl=en
- GitHub: https://github.com/lavu1
- Hugging Face: https://huggingface.co/lavumweemba
- LinkedIn: https://www.linkedin.com/in/lavu-mweemba-70b670184/

## Product engineering

- Kotlin Multiplatform products released for Android and iOS
- Shared domain logic, offline-first state, persistence, notifications, analytics and store delivery
- Released product experiments include Bible Trivia Quiz Daily, Trivia Stars Quiz Game, Word Scramble Rush, Prime Word Guessing, Missing Letter Word Game, Kbrd and Open Hearts
- Mobile product lab: https://lavumweemba.com/#mobile-lab

## Portfolio navigation

- Research: https://lavumweemba.com/#research
- Translation demonstration: https://lavumweemba.com/#translator
- Publications: https://lavumweemba.com/#publications
- Projects and live applications: https://lavumweemba.com/#projects
- Kotlin Multiplatform product lab: https://lavumweemba.com/#mobile-lab
- Professional experience: https://lavumweemba.com/#experience
- Credentials and CVs: https://lavumweemba.com/#credentials
- Extended machine-readable profile: https://lavumweemba.com/llms-full.txt