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Tanuj Sengar

SDE-II | Backend Engineer + AI Engineer | Kafka • Spring Boot • Spring Batch • ML • NLP • Generative AI • LangChain • Bedrock • Pinecone • Neo4j • LangGraph • RAG • MCP • HuggingFace • SageMaker • Agentcore • N8N

Bengaluru

10+ years of work experience

Delta Air Lines
Aug 20224 yrs 1 moPresent

Bengaluru, Karnataka, India

Oracle
Feb 20202 yrs 7 mosAug 2022

Bengaluru, Karnataka, India

Mindtree
Apr 20181 yr 11 mosFeb 2020

Bengaluru, Karnataka, India

Cognizant
Apr 20162 yrs 1 moApr 2018

Bengaluru, Karnataka, India

Tanuj’s AI Stack

kiro
kiro
langchain
langchain
langgraph
langgraph
langsmith
langsmith
mcp
mcp
vLLM
vLLM

Education

Inderprastha Engineering College

Bachelor of Technology (B.Tech.), Computer Software Engineering

Inderprastha Engineering College

20114 yrs2015

AISSCE

RLVM

20028 yrs2010

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Headline

SDE-II | Backend Engineer + AI Engineer | Kafka • Spring Boot • Spring Batch • ML • NLP • Generative AI • LangChain • Bedrock • Pinecone • Neo4j • LangGraph • RAG • MCP • HuggingFace • SageMaker • Agentcore • N8N

About

I’m a Backend Engineer turned AI Engineer with over a decade of experience building high-throughput, enterprise-grade systems across aviation, finance, and e-commerce. My expertise spans Java, Spring Boot, Kafka, and distributed systems, having led mission-critical platform migrations, implemented SAGA-based architectures, and built orchestration frameworks for real-time data pipelines. My engineering approach balances performance, fault-tolerance, and maintainability at scale. Over the last few years, I’ve transitioned into the AI/ML landscape—focusing on real-world, production-grade generative AI applications. My most recent project involved architecting a 3-stage Agentic RAG Automation Framework designed to power intelligent automation for technical operations. This included building a RAG chatbot that retrieves SOPs from SharePoint using LangChain and LangGraph with Pinecone and ChromaDB vector stores. I engineered a secure and ACL-aware retrieval layer that merges semantic and keyword-based search with policy-grounded response generation. In Stage 2 of the project, I developed an LLM-based email agent that classifies Outlook emails, extracts relevant entities (service, severity, error codes), and creates or updates ServiceNow tickets—all gated by deterministic policy logic via OPA and JsonLogic. Stage 3 introduced automated CI/CD execution after Agility approval, using AWS Bedrock (Claude, Titan) to ensure that pre/post checks, rollback conditions, and risk assessments were satisfied before pipeline triggers. All operations were logged in a tamper-evident audit ledger with full observability. This system leverages a robust stack including FastAPI, Neo4j for graph-based routing, Redis, Postgres, Terraform, GitLab CI/CD, Kubernetes, SageMaker, and Azure AD. It is optimized for safety, latency, RBAC filtering, and cost-efficiency, making it enterprise-ready. I’m passionate about bridging backend reliability with intelligent agentic automation. I’m currently preparing for the AWS Certified AI Practitioner exam to further formalize my expertise. My goal is to contribute to platforms—whether at FAANG or in high-growth startups—where cloud-native systems and AI-native capabilities work together to deliver powerful, intelligent products at scale.

Location

Bengaluru

AI stack

kiro

langchain

langgraph

langsmith

mcp

vLLM

Work experience

Senior Developer at Delta Air Lines, Aug 2022 - Present · 4 yrs 1 mo, Bengaluru, Karnataka, India

Software Developer at Oracle, Feb 2020 - Aug 2022 · 2 yrs 7 mos, Bengaluru, Karnataka, India

Senior Software Engineer at Mindtree, Apr 2018 - Feb 2020 · 1 yr 11 mos, Bengaluru, Karnataka, India

Programmer Analyst at Cognizant, Apr 2016 - Apr 2018 · 2 yrs 1 mo, Bengaluru, Karnataka, India

Education

Bachelor of Technology (B.Tech.), Computer Software Engineering, Inderprastha Engineering College

AISSCE, RLVM

Tanuj Sengar - Senior Developer in Bengaluru | Tal