BJ

Selected work

Every project, end-to-end.

Renewable Energy Chatbot

AI/ML

Renewable Energy Chatbot

Multi-agent orchestration platform that coordinates 10+ specialized AI agents to handle 500+ daily queries from solar field operations.

LangchainLanggraphPostgreSQLRedisAWS Bedrock

Graph Rag Service

AI/ML

Graph Rag Service

Automated GraphRAG pipeline that ingests unstructured solar inverter fault reports and builds a queryable knowledge graph in AWS Neptune.

FastAPIAWS NeptuneGraphRAGKGGenBYOKG

Data Pipeline Automation

Backend

Data Pipeline Automation

FastAPI service orchestrating a GraphRAG multi-agent pipeline with 70% accuracy improvement over baseline.

FastAPIPythonGraphRAGDockerAWS EC2

ML Model Containerization

Cloud

ML Model Containerization

Dockerized scikit-learn / TensorFlow models with Flask APIs and CI/CD pipelines targeting AWS EC2.

DockerAWS EC2scikit-learnTensorFlowCI/CD

AWS Data Engineering

Data

AWS Data Engineering

ETL workflow with 98% uptime across high-volume data ingestion streams.

PythonPysparkAirflowAWS-EMRPostgres

LLM Observability Stack

AI/ML

LLM Observability Stack

Langfuse-powered tracing layer for production LLM apps with token-level cost dashboards.

LangfusePythonFastAPIGrafana

Multi-Tenant SaaS Platform

Backend

Multi-Tenant SaaS Platform

PostgreSQL row-level security architecture supporting isolated tenant workspaces for AI workflows.

PostgreSQLFastAPIRedisRLS

Kind words

What teammates are saying.

“Biswajit shipped our multi-agent platform faster than anyone on the team thought possible. Production-quality code, calm under pressure, and a genuinely deep grasp of LLM orchestration.”

PR

Priya Raman

Engineering Manager · GreenBridge.AI

“The GraphRAG pipeline he built cut our manual review by 90%. He treats engineering as a craft — instrumentation, tests, and observability all show up before they need to.”

DO

Daniel Okafor

Staff AI Engineer · Helios Energy

“Rare to find someone who can sketch a system architecture on a whiteboard in the morning and have a working prototype by evening. Pragmatic, kind, and surprisingly good at design too.”

ML

Maya Lindberg

Product Lead · Northwind Labs