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David UserDU
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David User

@daviduser79

Machine Learning Engineer building domain-specific LLM and RAG systems; created medeval-framework for clinical AI evaluation.

Nigeria
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I created medeval-framework, an open-source suite for evaluating clinical and high-stakes LLMs. It measures calibration, semantic drift, and hallucination penalties, with 170+ unit tests and 100% test coverage.

For my SickleCellDomain-SpecificAI&RAGPipeline project, I fine-tuned an open-weight model on curated medical corpora and integrated a ChromaDB-backed RAG pipeline to ground responses in clinical contexts. I also set up experiment tracking with MLflow via DagsHub and live inference hosting on Hugging Face.

At GracetechGroupofCompanies, I engineer production web applications and backend architectures using Django and FastAPI, integrating React and TypeScript interfaces with backend data services and ML workflows. Previously, I worked on AI agent evaluation, backend and data engineering, and machine learning projects.

Experience

Work history, roles, and key accomplishments

GC
Current

Software Engineer

Gracetech Group of Companies

Mar 2026 - Present (7 months)

Engineer end-to-end production web applications and backend architectures using Django and FastAPI. Design interactive frontend interfaces with React and TypeScript, and optimize system architecture for scalability with CI/CD pipelines.

PL

AI Evaluation Engineer

Parsewave AI Labs

Jun 2025 - Feb 2026 (8 months)

Completed targeted engineering contracts focused on AI agent evaluation, model benchmarking, and error analysis. Developed automated unit tests and validation scripts using Python (pytest) and deployed Dockerized environments for reproducible task execution.

DL

Software Engineer

Datacurve AI Labs

May 2024 - May 2025 (1 year)

Executed technical backend and data engineering tasks to support ML training and evaluation workflows. Built automated testing pipelines to verify data integrity and refactored modular codebases for high performance.

FR

Freelance Machine Learning Engineer

Freelance

May 2022 - Dec 2022 (7 months)

Delivered independent ML projects covering data preprocessing, model training, and deployment for classification and prediction tasks. Built interactive Streamlit apps for academic and peer research projects.

Education

Degrees, certifications, and relevant coursework

Federal University Lokoja logoFL

Federal University Lokoja

Bachelor of Science, Computer Science

Pursued a Bachelor of Science in Computer Science, completing studies in October 2025.

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