Md Shafikul Rahman

Associate Software Engineer

Shellbeehaken Ltd

2025-06 – Present

– Built an AI voice agent for farmers using RAG pipelines with context-aware retrieval and response generation in real-time systems. – Integrated embeddings and vector databases (Qdrant / pgvector) to improve semantic search accuracy and response relevance. – Optimized the RAG pipeline and model usage, reducing the application’s overall model inference cost by approximately 50% while maintaining response quality. – Designed and implemented backend services for production system (Kriyakarak), contributing to both API development and frontend integration. – Learned performance optimization using caching, rate limiting, and multi-instance synchronization strategies for scalability. – Participated in production deployments, debugging, and iterative feature releases in a fast-paced engineering environment.

Intern Software Engineer

Shellbeehaken Ltd

2024-12 – 2025-05

Shellbeehaken Ltd – Worked on full-stack web development using React.js, Next.js, and Node.js in production environments. – Built multiple internal tools and contributed to live production features. – Developed a Twitter-like application with authentication, SSR, and real-time updates.

Shahjalal University of Science and Technology

B.Sc. in Software Engineering

2020 – 2025

CGPA: 3.57 / 4.00