Engineering Case Studies & System Deep-Dives
In-depth architectural breakdowns of how we design, build, and scale enterprise software, high-throughput pipelines, and autonomous AI infrastructure.
Scaling a Payment Gateway to 10M+ Daily Transactions
Re-architected a monolithic legacy payment engine into a high-throughput microservices cluster using Kubernetes, Go, and Redis. Isolated transaction processing into stateless pods with Redis Streams for async settlement, achieving 99.999% uptime with sub-50ms p99 latency across three availability zones.
Enterprise RAG: Automating Legal Contract Audits
Built a private, single-tenant LLM pipeline with hybrid vector search (Weaviate + Pgvector) to process, index, and semantically summarize 10,000+ legal contracts with 99% accuracy.
HIPAA-Compliant Telehealth Infrastructure
Designed and deployed a secure WebRTC video consultation platform with end-to-end encryption, automated telemetry, and real-time EHR syncing via HL7 FHIR APIs.
Headless Architecture for Global Retail Brand
Migrated a legacy monolith storefront to a headless Next.js and Shopify Plus stack with edge-deployed ISR pages, driving a 34% increase in mobile conversion rates.
AI-Driven Fleet Route & Fuel Optimization
Developed a predictive routing engine combining real-time traffic, payload constraints, and driver HOS regulations, reducing fleet fuel consumption by 22%.
Zero-Downtime Cloud Migration to Multi-Region AWS
Executed a live database and microservices migration from co-located data centres to AWS EKS with zero service interruption for 500,000+ active users.
Zero-Trust Identity Platform for Enterprise SSO
Designed a zero-trust identity broker integrating SAML 2.0, OIDC, and FIDO2 WebAuthn across 40+ enterprise SaaS applications, reducing account takeover incidents by 96%.
Adaptive Learning Engine with Real-Time Analytics
Built a spaced-repetition platform using Bayesian knowledge tracing that processes 2M+ daily learning events, improving student completion rates by 41%.
Video Transcoding Pipeline at Broadcast Scale
Engineered a serverless video transcoding pipeline processing 8,000+ hours of footage per month with 62% cost reduction versus the previous EC2-based encoding farm.
Automated Property Valuation Model with Market Feeds
Developed an ensemble ML valuation model estimating residential property values within 3.2% median error, used by 200+ mortgage brokers.
Predictive Maintenance for Industrial Equipment
Deployed edge-computing nodes running TensorFlow Lite on 850+ CNC machines, reducing unplanned downtime by 67% and saving $4.2M annually.
Citizen Services Portal with Multi-Language NLP
Built a unified portal consolidating 14 department workflows with an NLP chatbot supporting 8 regional languages, processing 1.2M+ requests in Q1.
Satellite-Informed Crop Yield Prediction System
Combined Sentinel-2 imagery, soil sensors, and weather data into a CNN predicting field-level crop yields at 91% accuracy for 3,000+ farmers.
Real-Time AML Transaction Monitoring Engine
Designed a streaming AML engine processing 4M+ daily wire transfers through Apache Flink, reducing false positive rates from 85% to 22%.
Dynamic Pricing Engine for Hotel Revenue Management
Built a demand-forecasting and dynamic pricing engine for a 200-property hotel chain, increasing RevPAR by 19% in six months.
Smart Grid Load Balancing with Renewable Forecasting
Developed a forecasting system predicting solar and wind generation 48 hours ahead, reducing renewable curtailment by 35%.
Automated Claims Processing with Document AI
Replaced manual claims intake with a document AI pipeline achieving 80% straight-through processing, reducing average claim time from 12 days to 36 hours.
Content Moderation Pipeline at 50K Posts/Minute
Architected a multi-stage moderation system with 94% recall and less than 2% false removals, processing 50,000+ posts per minute.
Connected Vehicle Telemetry Platform
Built an event-driven telemetry platform handling 1.8 billion data points daily from 120,000+ connected vehicles with sub-5s p99 latency.
Donor Intelligence & Impact Reporting Platform
Designed a unified donor CRM and impact platform managing $180M in grants, improving donor retention by 23% through personalised engagement.
Real-Time Fraud Detection Engine for High-Velocity Transactions
Built a sub-50ms real-time fraud detection engine using streaming ML models, processing 5M+ daily authorization events with 99.4% precision.