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AWS Data Engineering Case Studies

20 engineering case studies across data, AI, automation and analytics, each with the problem, the architecture, and the numbers that moved.

AI EngineeringProduction Core

Anchor

AI Cost Attribution & Real-Time Outage Monitoring from Shared Provider Spend

Restores per-application cost visibility from a single shared AI invoice. A near-zero-touch SDK captures durable usage “receipts”, and invoice-anchore…

Reconciles to the centPer-application cost vs. real invoice
PythonSQLite (WAL)PostgreSQLOpenAI
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AI EngineeringProduction

Intelligent Document Processing Platform

AI-Powered Multilingual OCR & Document Intelligence

Converts scanned PDFs and photographed forms into clean, structured Markdown across 10+ languages, including hard scripts like Urdu, Arabic and Amhari…

AutomatedManual keying eliminated
FastAPICeleryRedisDocling
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AI EngineeringProduction

AI-Powered People Intelligence Platform

OSINT-grade people search, synthesised in under 15 seconds

A people-search API that aggregates public-web signals from Google, Bing and DuckDuckGo, fuses them through a custom clustering engine, and synthesise…

< 15 s~99% faster
FastAPIPlaywrightGoogle Gemini 2.5MongoDB
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AI EngineeringProduction

AI Speech-to-Text Journaling API

Turning spoken words into structured, speaker-attributed intelligence

A RESTful API that turns raw audio into speaker-attributed transcripts with a multi-model pipeline: Whisper for transcription, PyAnnote for diarizatio…

~$0.1099% saved
Faster-WhisperPyAnnote 3.1Gemma-3FastAPI
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AI EngineeringDelivered

NLP & ML for Vaccine Intelligence and Investment Signals

Mining 50M+ social posts and 100+ trials for investment insight

Delivered a data-driven Covid-19 vaccine analysis and investment product, applying NLP, sentiment analysis and ML across 100+ vaccine trials, 50M+ soc…

50M+NLP at scale
PythonNLPspaCyMachine Learning
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Industries

Which sectors I build for

The same AWS data-engineering playbook, applied to the realities of each industry and backed by the case studies above.

Banking & Financial Services

Data warehouse migrations, regulatory reporting and risk analytics for retail banks, payments processors and financial-services groups. Recent work includes a tier-1 bank Sybase-to-Redshift migration and a delta-lake platform that unlocked $2M+ in revenue.

Utilities & Energy

Lakehouse modernisation and operational analytics for national water, wastewater and energy utilities, cutting data-platform operating cost in half while letting analytics scale to demand.

Aviation & Aerospace

Pipeline and RFQ-operations automation for aerospace-logistics and parts suppliers, turning a five-hour manual quoting backlog into sub-15-minute automated quotes on AWS.

Consumer Goods & Retail

Distributor sales-and-stock ETL, data homologation and real-time analytics for FMCG and retail brands, including hands-off SFTP-to-analytics pipelines for Unilever distributors.

Telecom

Big-data finance platforms and reporting for telecom operators: Cloudera, Spark and Hive workflows that cut financial-reporting errors by 50%.

Healthcare, Public Sector & Research

Document intelligence, multilingual OCR and NLP analytics for healthcare, government digitisation and research, from automated form extraction to mining 50M+ posts for public-health signal.

Taking on new projects · Outside IR35

Have a data pipeline or warehouse problem worth solving?

From messy source data to analytics-ready warehouses that cut cost. Let's scope it. I reply within one business day.