# Omair Afzal — Systems Atlas > 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. ## Professional 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. ## 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) ## 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 ## Selected architectures ### REWA Digital Rent & Rewards Platform Full Stack Cross platform architecture for the UAE's digital rent and rewards platform, connecting a Flutter tenant app, Next.js landlord portal, Symfony operations console, and NestJS services across payments, onboarding, leases, rewards, notifications, and identity workflows. - Tenant mobile, landlord, and operations experiences share consistent contracts through a central service layer - Payment orchestration supports cards, bank transfers, direct debit, consent, reminders, and collection exception lifecycles - UAE Pass, Ejari, invitation, lease, and identity journeys are modeled as resumable cross channel workflows - Rewards, vouchers, notifications, and rent records flow through modular services, workers, and a shared schema authority Technologies: Flutter, NestJS, PostgreSQL, Redis / BullMQ, Next.js, Symfony, AWS. [View in the atlas](/#project-rewa-rent-platform) ### Autonomous Enterprise Knowledge Graph AI/ML A self organizing knowledge base that uses autonomous agents to crawl, classify, and link enterprise data sources. Features multi agent orchestration for continuous graph updates, consistency verification, and gap detection across distributed knowledge stores. - Self healing knowledge graph with automatic inconsistency detection and correction - Autonomous research agents that proactively identify and fill knowledge gaps - Hybrid vector graph retrieval enabling complex multi hop reasoning queries - Enterprise grade RBAC with granular collection level permissioning Technologies: OpenClaw, LangChain, Neo4j, Milvus, Python, FastAPI. [View in the atlas](/#project-agentic-knowledge-base) ### OpenClaw Execution Engine AI/ML The core execution engine enabling AI agents to interact with modern web applications reliably. Handles complex DOM interactions, authentication flows, and dynamic content extraction through semantic understanding and anti detection browser orchestration. - Headless browser orchestration with anti detection and fingerprint randomization - Semantic DOM understanding for resilient, self healing selector generation - High performance async runtime built on Rust and Tokio - Plugin architecture supporting custom action handlers and middleware Technologies: Rust, TypeScript, Puppeteer, CDP, Tokio. [View in the atlas](/#project-openclaw-engine) ### Distributed Vector Search Platform Backend A high performance vector search platform engineered for billion scale embeddings. Implements custom HNSW indexing strategies with distributed sharding for sub millisecond query latency across multi modal embedding types. - Distributed index sharding with automatic rebalancing and failover - Real time vector insertion with tunable consistency guarantees - Multi modal embedding support across text, image, and audio - Production grade observability with per collection Prometheus metrics Technologies: Milvus, Go, Kubernetes, gRPC, Prometheus. [View in the atlas](/#project-vector-scale) ### Autonomous Fraud Prevention System AI/ML A real time ad fraud detection system using autonomous agents to simulate user behavior and validate traffic sources. Processes 100K+ events per second with deep learning behavioral analysis and automated threat rule generation. - Real time behavioral analysis using deep learning classification models - Autonomous traffic validation agents simulating genuine user patterns - High throughput event ingestion pipeline handling 100K+ events per second - Automated rule generation that adapts to emerging fraud patterns in real time Technologies: Python, TensorFlow, ClickHouse, Redis, Docker. [View in the atlas](/#project-clickguard-fraud) ## Open source contributions ### OpenClaw Active Contributor · 2024 — Present Shipped core fixes to the OpenClaw agentic framework across routing, auth, and platform integrations. Merged gateway auth token validation fix and opened multiple PRs improving CLI reliability, WhatsApp/Telegram/Signal channel modules, and Linux compatibility. [Public contribution record](https://github.com/openclaw/openclaw/pulls?q=is%3Apr+author%3Aomair445) ### Prisma ORM Contributor · 2019 — Present Resolved driver adapter edge cases in the Prisma ORM monorepo, including MSSQL connection string escaping (#29158). Opened additional PRs for MariaDB special character handling and cross realm Uint8Array compatibility in jsdom environments. [Public contribution record](https://github.com/prisma/prisma/pulls?q=is%3Apr+author%3Aomair445) ### NestJS Contributor · 2017 — Present Strengthened test coverage across the NestJS framework sample applications. Submitted unit and e2e tests for the serializer and serve-static samples, improving reliability of official example projects used by thousands of developers. [Public contribution record](https://github.com/nestjs/nest/pulls?q=is%3Apr+author%3Aomair445) ### Keep Contributor · 2023 — Present Built the Nagios monitoring provider for Keep, a YC W23-backed open source alert management platform. Implemented bidirectional alert ingestion and webhook based real time notifications for seamless monitoring integration. [Public contribution record](https://github.com/keephq/keep/pulls?q=is%3Apr+author%3Aomair445) ### Archestra Contributor · 2024 — Present Implemented Groq and DeepSeek LLM provider integrations for Archestra, a cloud native MCP registry and gateway. Expanded the platform's multi model AI capabilities to support broader model orchestration workflows. [Public contribution record](https://github.com/archestra-ai/archestra/pulls?q=is%3Apr+author%3Aomair445) ### ComfyUI Contributor · 2023 — Present Fixed scroll event propagation leaks in ComfyUI's TextPreviewWidget, resolving canvas interaction instability in the leading open source AI image generation interface. Improved overall UI responsiveness during node editing workflows. [Public contribution record](https://github.com/Comfy-Org/ComfyUI_frontend/pulls?q=is%3Apr+author%3Aomair445) ### Cal.com Contributor · 2021 — Present Delivered multiple features to Cal.com, the open source scheduling platform. Implemented booking question field types for routing forms, guest availability checks on reschedule, and email invite functionality for team assignments. [Public contribution record](https://github.com/calcom/cal.com/pulls?q=is%3Apr+author%3Aomair445) ### Coolify Contributor · 2021 — Present Added SurrealDB service templates to Coolify, the open source self hosting platform. Created both standalone RocksDB and distributed TiKV configurations, enabling one click deployment for SurrealDB workloads. [Public contribution record](https://github.com/coollabsio/coolify/pulls?q=is%3Apr+author%3Aomair445) ### Documenso Contributor · 2023 — Present Fixed a UI overflow bug in Documenso, the open source DocuSign alternative. Resolved a public profile template description overflow that hid action buttons, restoring full settings page functionality. [Public contribution record](https://github.com/documenso/documenso/pulls?q=is%3Apr+author%3Aomair445) ### tscircuit Contributor · 2023 — Present Fixed STEP file generation in tscircuit where component rectangles were incorrectly merged into a single invalid solid. Separated each component into its own ManifoldSolidBrep, producing valid CAD exports for hardware design workflows. [Public contribution record](https://github.com/tscircuit/circuit-json-to-step/pulls?q=is%3Apr+author%3Aomair445) ### Nuclei Contributor · 2020 — Present Integrated the typos spell checker into Nuclei's CI pipeline and corrected misspellings across 15 files, including variable renames and workflow fixes. Improved code quality for ProjectDiscovery's widely used vulnerability scanner. [Public contribution record](https://github.com/projectdiscovery/nuclei/pulls?q=is%3Apr+author%3Aomair445) ### Cap Contributor · 2024 — Present Built deeplink actions in Rust and a full Raycast extension for Cap, the open source screen recording tool. Enabled controlling recordings, camera, and microphone directly from the macOS launcher for faster workflow integration. [Public contribution record](https://github.com/CapSoftware/Cap/pulls?q=is%3Apr+author%3Aomair445) ### Firecrawl Contributor · 2024 — Present Authored comprehensive MCP server installation guides for Firecrawl covering 30+ environments, including Cursor, VS Code, and Claude Desktop. Reduced onboarding friction for developers integrating the web scraping API. [Public contribution record](https://github.com/firecrawl/firecrawl-mcp-server/pulls?q=is%3Apr+author%3Aomair445) ### DN Institute Contributor · 2023 — Present Enhanced ML reporter prompts for improved market analysis at DN Institute, a crypto market health research platform. Added comprehensive integration tests for the similarity search API to ensure data pipeline reliability. [Public contribution record](https://github.com/1712n/dn-institute/pulls?q=is%3Apr+author%3Aomair445) ### Qdrant Contributor · 2021 — Present Added per collection Prometheus metrics to Qdrant, the high performance Rust vector database. Enabled granular monitoring of REST request counts, durations, and response status per collection for production observability. [Public contribution record](https://github.com/qdrant/qdrant/pulls?q=is%3Apr+author%3Aomair445) ### LanceDB Contributor · 2023 — Present Fixed a crash in LanceDB's hybrid search when hard filtering returned empty results. Refactored the 5,000-line table.rs by extracting the merge_insert module, improving maintainability of the AI native vector database codebase. [Public contribution record](https://github.com/lancedb/lancedb/pulls?q=is%3Apr+author%3Aomair445) ### Foundry Contributor · 2021 — Present Fixed a bug in Foundry where the verify flag suppressed console log output during script simulation. Restored developer debugging experience for the Rust based Ethereum development toolkit. [Public contribution record](https://github.com/foundry-rs/foundry/pulls?q=is%3Apr+author%3Aomair445) ### Screenpipe Contributor · 2024 — Present Overhauled the OpenAPI specification for Screenpipe, adding 18 missing endpoints, removing 12 stale ones, and fixing 15 schema mismatches. Aligned API documentation with the actual codebase for the open source AI screen recorder. [Public contribution record](https://github.com/screenpipe/screenpipe/pulls?q=is%3Apr+author%3Aomair445) ### uv Contributor · 2024 — Present Improved developer experience in uv, Astral's Rust based Python package manager. Added debug logging for config file resolution and clarified ambiguous error messages in the python upgrade command. [Public contribution record](https://github.com/astral-sh/uv/pulls?q=is%3Apr+author%3Aomair445) ### Ruff Contributor · 2022 — Present Extended Ruff's TD003 linting rule to recognize Jira style issue IDs (e.g., JIRA-123) in TODO comments alongside GitHub-style links. Broadened compatibility for the Rust powered Python linter used across thousands of projects. [Public contribution record](https://github.com/astral-sh/ruff/pulls?q=is%3Apr+author%3Aomair445) ### Meilisearch Contributor · 2018 — Present Fixed a bug in Meilisearch where attributesToSearchOn errored on empty indexes instead of returning empty results. Improved graceful handling for the Rust powered open source search engine used in production globally. [Public contribution record](https://github.com/meilisearch/meilisearch/pulls?q=is%3Apr+author%3Aomair445) ### Tauri Contributor · 2019 — Present Added the Rust equivalent of convertFileSrc() to Tauri, enabling server side conversion of local file paths to asset protocol URLs. Closed a parity gap between the Rust and JavaScript APIs for the lightweight desktop app framework. [Public contribution record](https://github.com/tauri-apps/tauri/pulls?q=is%3Apr+author%3Aomair445) ### Typst Contributor · 2023 — Present Fixed the Typst compiler to correctly infer dictionary types from spread operands in empty collection literals. Resolved a type inference edge case in the Rust based modern typesetting system. [Public contribution record](https://github.com/typst/typst/pulls?q=is%3Apr+author%3Aomair445) ### Symfony Longtime Contributor · 2015 — 2020 Contributed to the Symfony PHP framework over five years, focusing on HTTP Kernel and Console component improvements. Helped shape the developer experience for one of the most widely adopted PHP frameworks. [Public contribution record](https://github.com/symfony/symfony) ## Skills ### Agentic AI & Automation OpenClaw, LangChain, AutoGPT, Python AI, Vector DBs, OpenAI GPT. ### Core Engineering TypeScript, Rust, Node.js, Go, PHP, GraphQL. ### Architecture & Infra Kubernetes, Terraform, AWS, Microservices, Neo4j, PostgreSQL. ### Ecosystems NestJS, Prisma, Symfony, Next.js, Tailwind, React. ## Education and ongoing development ### Continuous Professional Development Self Directed Research & Open Source · 2011 — Present Ongoing deep work in autonomous systems, distributed consistency algorithms, and cognitive architectures applied through open source contributions and production system design. ## Additional project experience Worked on The ENTERTAINER app for Emirates. ## Engineering focus - [ClickGUARD](/#experience-clickguard): Ad fraud & threat intelligence - [REWA](/#project-rewa-rent-platform): PropTech & payment systems - [Waffle](/#experience-waffle-coach): Parenting AI & retrieval - [Coredirection](/#experience-coredirection-health-fitness): Health data & event systems - [OpenClaw](/#contribution-openclaw): Agent runtimes & tooling - [The ENTERTAINER](/#entertainer-emirates): App work for Emirates ## Common questions ### What does Omair Afzal specialize in? Omair Afzal is a senior software architect with 13+ years of experience in distributed systems, full stack platforms, agentic AI, retrieval augmented generation (RAG), vector search, and open source developer infrastructure. ### Which companies and products has Omair worked with? His portfolio covers engineering leadership and consulting at ClickGUARD, REWA, Waffle.Coach, Coredirection Health & Fitness, and AlayaCare. His additional project experience includes work on The ENTERTAINER app for Emirates. ### What AI and machine learning engineering work does the portfolio cover? The portfolio includes AI powered fraud prevention, autonomous agents, enterprise knowledge graphs, RAG pipelines, semantic memory, vector search, and the production systems that connect models to application workflows. ### What full stack and PropTech technologies does Omair use? The REWA architecture combines Flutter, NestJS, Next.js, Symfony, PostgreSQL, Redis, BullMQ, and AWS across tenant onboarding, digital rent payments, landlord operations, and loyalty rewards. His broader engineering work includes TypeScript, Python, Rust, and Go. ### Where can I verify the open source contributions? Each contribution record links to its public GitHub repository or pull request history. The portfolio covers Prisma, NestJS, OpenClaw, Qdrant, LanceDB, Tauri, Symfony, and other developer tools. GitHub statistics are labeled with their snapshot date. ### How can I discuss a software architecture or AI project? Use the booking link or email in the contact section to discuss architecture reviews, AI systems, full stack platforms, or engineering strategy. Omair works remotely with global teams. ## Contact and documents [Contact Omair](/#contact) - [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.