Software Engineer

Hi, I'm
Lorraine

I build scalable APIs, data platforms and AI-powered applications that turn complex problems into simple solutions.

Lorraine — Software Engineer
Building the future
with code & AI
Lorraine
BSc Information Technology
Microsoft Azure Certified
5+ Years Experience

Software Engineer

I'm a Software Engineer with a BSc in Information Technology and an Azure Data Certification.

Currently building scalable software and data-driven solutions at Ninety One, with over 5 years of coding experience across backend engineering, cloud technologies, data platforms, and AI-powered applications.

Passionate about using technology to solve complex problems, deliver business value, and continuously learn in an ever-evolving industry.

View My Projects

Featured Projects

Ad Network Reconciliation Pipeline - Airflow DAG graph view

Ad Network Reconciliation Pipeline

Built a daily Airflow pipeline reconciling mobile install attribution against ad-network spend across 5 networks, with OpenTelemetry tracing per stage, automated email reporting, and idempotent trailing-window backfills for late-arriving data.

Python Polars Apache Airflow OpenTelemetry Jaeger Docker
Document Copilot - RAG financial analysis system

Document Copilot

Built a RAG system for financial document analysis (SEC filings) featuring hybrid semantic+full-text search, 6-stage citation validation, and streaming responses with real-time token observability.

Python FastAPI RAG pgvector PostgreSQL PydanticAI Hybrid Search Citation Validation
Daily Quotes App - Engineering wisdom calendar

Daily Quotes

Engineered a self-operating AI application that combines large language models, workflow orchestration, and modern web architecture to deliver value continuously without human involvement.

React 19 TypeScript Vite GitHub Actions OpenRouter API GPT-4o Mini