Abdul Hai

Technical Lead

Creative Agency • Fulltime

Jan 2022 - Present • 4 yrs 9 mos

Lead AI and platform engineering for production LLM products. - Built a multi-channel AI customer service agent (Shopify, Gmail, WhatsApp, Instagram, Messenger) on Claude with OpenAI and Gemini fallback - Designed a 44-tool agent action catalog (orders, returns, refunds) with human-in-the-loop approval and AI guardrails - Hybrid RAG knowledge base over 530 SOPs with vector search and reranking - Stateful multi-agent workflows in LangGraph with MCP tool integration - Eval-gated CI (LLM-as-judge, 13 eval suites) and Langfuse tracing across 30+ services - Cut LLM cost with prompt caching, model routing and FinOps cost tracking - AI anomaly detection and automated reporting for manufacturing production monitoring

Technical Team Lead

Stixor • Fulltime

Dec 2020 - Jan 2022 • 1 yr 1 mo

Led a development team building automation, data and ML-powered backend services. - Built Python automation scripts and microservices for real-time data processing and infrastructure management - Integrated early AI/ML features for data analytics, automated classification and reporting using open-source NLP libraries - Designed REST and GraphQL APIs on Node.js and NestJS with PostgreSQL, PostGIS, Redis and Elasticsearch - Provisioned AWS infrastructure with Terraform and Ansible, with Docker-based deployment pipelines - Monitoring with New Relic and Sentry, analytics on Amazon Redshift - React frontends with RTK Query, real-time notifications with Socket.IO

Lead Fullstack Developer

Cloudsyte • Fulltime

Aug 2019 - Dec 2020 • 1 yr 4 mos

Led full stack development and cloud infrastructure for a microservices platform. - Built Python utility scripts and ETL pipelines for data transformation, integration and automation across backend systems - Implemented real-time data processing pipelines and API integrations for business-critical features - Architected Node.js and NestJS microservices on Azure and Kubernetes, provisioned with Terraform - Azure Functions for background tasks, Pub/Sub based real-time notifications - REST and GraphQL APIs with Prisma ORM - Monitoring and logging with Grafana and Azure Monitor for fast incident response - React frontends with Redux RTK Query, Tailwind CSS and Formik