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Nur Afzan Zulaikha Binti Mohammed Zaini

@nurafzanzulaikhabint

Message

I build production AI applications, ML pipelines, and scalable real-time systems.

Malaysia

Message

At b2wise Company, I architected RAG document processing for 100K+ documents, built production ML pipelines on AWS SageMaker, and designed Node.js and FastAPI microservices serving 10K+ concurrent users with 99.9% uptime.

I also built AI chatbots for Slack and Microsoft Teams, real-time collaboration systems, and healthcare management interfaces used by 5,000+ daily users across 50+ clinics. I work across LLMs, vector search, cloud-native development, and full-stack applications.

Experience

Work history, roles, and key accomplishments

AI Engineer & Backend Lead

b2wise Company

May 2023 - Oct 2025 (2 years 5 months)

Architected RAG-based document processing system using LangChain and Pinecone, enabling semantic search across 100K+ documents with 95% query accuracy and sub-200ms response time. Fine-tuned open-source LLMs (Llama-2, Mistral-7B) on domain-specific datasets using LoRA/QLoRA techniques, reducing inference costs by 60% while maintaining GPT-4 level performance for specialized tasks.

Lang Chain Pinecone RAG LoRAs QLoRA PyTorch Airflow AWS Sagemaker Hugging Face NodeJS fastAPI Docker Kubernetes GitHub Actions WebSockets Redis

Frontend Developer (User Management Systems)

Adin Company

Mar 2020 - Apr 2023 (3 years 1 month)

Developed responsive healthcare management platform using React.js, TypeScript, and Next.js, serving 5,000+ daily active users across 50+ clinics. Implemented role-based access control (RBAC) system with JWT authentication and OAuth 2.0 integration for secure patient data workflows (HIPAA-compliant).