Debanshu Biswas

About Debanshu Biswas

I build production-grade Generative AI systems — not just prototypes. Currently…

Experience

1. Associate Consultant - Delivery

   Virtusa

   Jun 2022 — Present · Chennai, IN

   Working on large-scale Generative AI and ML systems in production.Key Work: Built and scaled an enterprise GenAI Regulation & Evaluation Framework– Processes 4K+ daily model outputs across multiple business lines– Achieved ~85% alignment with SME human review– Reduced manual audit workload by ~60% Designed RAG-based chatbot architectures– Embedding retrieval + intent classification– SAFE-based factuality checks– Custom evaluation metrics on Vertex AI Developed AI Observability using ADK ReAct Agents– Automated reasoning over evaluation outputs– Generated dynamic heatmaps and performance dashboards– Enabled real-time hallucination & risk monitoring Fine-tuned 7B Code LLaMA using QLoRA– Reduced GPU memory usage by ~55%– Achieved 72.8% Pass@10 on internal benchmarks Vision Transformer pipeline– Trained on 250K+ images– ~90% macro F1– Scaled inference to ~1M images/daySelected to represent Emerging Tech initiatives at Virtusa Spark 2024 (Abu Dhabi).