# Omair Afzal — Senior software architect résumé > Public portfolio of Omair Afzal, a senior software architect working on agentic AI, distributed systems, and open source developer infrastructure. Canonical website: https://omairafzal.com/. Content reviewed: 2026-10-23. The portfolio describes architecture and engineering work across ClickGUARD, REWA, Waffle.Coach, Coredirection, and AlayaCare. Additional project experience includes work on The ENTERTAINER app for Emirates. The public record includes retrieval augmented generation (RAG), AI and machine learning systems, full stack engineering, vector search, mobile and backend platforms, and event driven systems. Career descriptions and performance figures are self-published portfolio statements. GitHub counts on the visual page are a dated snapshot from July 29, 2026; use the linked public repositories for current contribution status. ## Summary Senior Software Architect with 13+ years of experience designing distributed systems, AI native platforms, and developer tooling at scale. Active open source contributor to Prisma, NestJS, Qdrant, LanceDB, Tauri, and 20+ other projects spanning Rust, TypeScript, and Python ecosystems. Currently leading engineering at ClickGUARD, shaping REWA's cross platform rent and rewards architecture, and architecting AI driven products for early stage startups. I specialize in event driven architectures, mobile to backend platforms, vector search infrastructure, and resilient systems that handle millions of daily transactions. I ship code that matters in production, not in demos. ## Experience ### Head of Engineering — ClickGUARD Mar 2021 — Present · Remote Leading engineering for an ad fraud protection platform processing millions of daily transactions. Driving technical strategy, team growth, and the integration of AI powered threat detection systems. Responsibilities: - Architecting real time fraud detection pipelines that adapt to evolving threat patterns - Leading the transition to event driven microservices for scalable threat analysis - Mentoring a distributed engineering team in building resilient, high throughput systems - Evaluating and integrating AI/ML models for automated anomaly detection Reported outcomes: - Built an autonomous fraud detection system processing 10M+ daily transactions with sub second latency - Reduced false positive rates by 40% through vector similarity models and behavioral analysis - Implemented temporal workflow orchestration for complex multi step threat mitigation - Optimized cloud infrastructure costs by 60% through intelligent autoscaling and resource management Technologies: Agentic AI, OpenClaw, Python, Kubernetes, Vector DBs, TypeScript. Company: https://clickguard.com ### Senior Solution Architect — REWA Aug 2025 — Present · Remote Leading solution architecture across REWA's tenant mobile app and backend platform for digital rent payments and loyalty rewards in the UAE. Aligning mobile, API, data, payment, landlord, and operations surfaces into coherent end to end journeys. Responsibilities: - Owning cross platform architecture connecting the Flutter tenant app with NestJS core services and shared data contracts - Designing durable domain boundaries for tenants, landlords, leases, payments, rewards, identity, and communications - Guiding payment and onboarding orchestration across card, bank transfer, and direct debit journeys with resumable, idempotent flows - Coordinating architecture across the landlord portal, operations backoffice, database migrations, cloud deployments, and observability Reported outcomes: - Unified the tenant app, landlord portal, operations console, and shared backend around one central domain model - Delivered policy driven onboarding and payment routing with collection method snapshots across invitations and leases - Shipped a rent collection exception lifecycle spanning failed payments, landlord actions, notifications, and tenant notice state - Strengthened release safety through centralized schema migrations, contract alignment, focused regression suites, and environment specific mobile builds Technologies: Flutter, NestJS, PostgreSQL, Redis / BullMQ, Next.js, Symfony, AWS. Company: https://rewa.rent ### Senior Software Architect (Consultant) — Waffle.Coach Jan 2024 — Present · Spain & United States Architecting the technical foundation for an AI driven parenting assistant. Designing RAG pipelines, semantic memory systems, and privacy first data architectures for sensitive family contexts. Responsibilities: - Designing the cognitive architecture powering the Waffle AI parenting coach - Implementing semantic memory and retrieval using Milvus and graph databases - Orchestrating multi modal interaction flows across voice, text, and vision - Ensuring privacy first design and GDPR compliance for sensitive family data Reported outcomes: - Built a context aware RAG system achieving sub 100ms latency across 100M+ vectors - Designed a developmental state tracking module for personalized child development insights - Implemented a hybrid edge cloud architecture for real time responsiveness on mobile - Achieved GDPR compliance through federated learning and on device processing Technologies: GenAI, Milvus, ArangoDB, Python, NestJS, LLMs. Company: https://waffle.page ### Technical Architect (Consultant) — Coredirection Health & Fitness 2022 — Present · Remote Designing event driven architectures for high throughput health data processing and real time analytics. Leading the migration from monolithic systems to scalable, event sourced microservices. Responsibilities: - Architecting the event sourcing backbone using Apache Kafka for health telemetry - Implementing real time data processing pipelines for wearable device streams - Designing AI powered workout optimization and virtual coaching systems - Ensuring horizontal scalability to handle 100K+ concurrent event streams Reported outcomes: - Migrated legacy monolith to event driven microservices, reducing deployment cycles by 75% - Implemented CQRS patterns that reduced read latency by 80% across the platform - Deployed a real time leaderboard system handling millions of updates per minute - Integrated wearable device data streams with sub second end-to-end processing latency Technologies: Event Sourcing, Apache Kafka, CQRS, NestJS, Python. Company: https://coredirection.com ### Senior Software Engineer — AlayaCare Jan 2015 — Jan 2021 · Remote Spearheaded the migration from monolithic PHP to a microservices architecture serving enterprise healthcare clients. Built core scheduling infrastructure and GraphQL federation layers at scale. Responsibilities: - Leading the architectural migration from PHP monolith to Python/NestJS microservices - Designing the GraphQL federation layer for unified data access across 20+ services - Implementing CI/CD pipelines with mutation testing for deployment confidence - Mentoring engineers in domain driven design and clean architecture principles Reported outcomes: - Designed the core Scheduling Microservice, reducing conflict calculation time by 90% - Built a real time patient monitoring dashboard using GraphQL Subscriptions - Standardized API design patterns across 20+ microservices serving enterprise clients - Introduced mutation testing to CI, measurably increasing test suite reliability Technologies: GraphQL, Microservices, Python, PHP, NestJS, DDD. Company: https://alayacare.com ## Core capabilities ### AI & Intelligent Systems - Retrieval Augmented Generation (RAG) - Vector Search & Embeddings - Multi Agent Orchestration - LLM Integration & Prompt Engineering - Cognitive Architecture Design - Knowledge Graph Construction ### Open Source & Developer Tooling - Prisma ORM Contributor - NestJS Core Contributor - Rust Ecosystem (Qdrant, LanceDB, Tauri) - Symfony Framework - Technical Writing & Documentation - Community Mentorship ### Systems Architecture - Distributed Systems Design - Mobile to Backend Platform Architecture - Event Driven & CQRS Patterns - Vector Databases (Qdrant, Milvus, LanceDB) - High Performance Rust Services - Microservices & Domain Driven Design - Graph Databases (Neo4j, ArangoDB) ## Related resources - [Downloads and formats](/resources): HTML resource hub. - [Portfolio PDF](/documents/omair-afzal-portfolio.pdf): Visual Systems Atlas portfolio. - [Résumé PDF](/documents/omair-afzal-resume.pdf): Concise recruiter document. [Project portfolio](/portfolio)