Hi, I'm

Suresh

Sureshkumar Mahalingam

Solutions Architect & Senior AI Engineer

I ship production Generative AI — multi-agent systems, RAG pipelines, and agentic workflows on enterprise AWS.

Days → Min leadership analytics via natural language — multi-agent Bedrock pipelines replacing ad-hoc BI wait times
GenAI multi-agent orchestration, RAG, and Bedrock at enterprise scale
ADLC agent-first design, guardrails, and agentic CI/CD in production

Agentic AI

LangChain LangGraph AWS Strands CrewAI AutoGen n8n RAG (FAISS / Pinecone) MCP LangSmith Prompt Engineering

ADLC

Agent-first Architecture Multi-agent Orchestration Human-in-the-loop AI Guardrails Agentic CI/CD Responsible AI Cost Governance

Cloud & AI Platforms

AWS Bedrock ECS Fargate Lambda SageMaker Athena / Redshift CDK (TypeScript) IAM / STS cdk-nag

Languages

Python PySpark TypeScript Go Java

Backend / Frontend

Next.js React NestJS Spring Boot GraphQL REST APIs

DevOps & Data

Terraform Docker Kubernetes GitLab CI/CD Apache Spark PostgreSQL DocumentDB

Projects

Personal

AI on AWS

Commerce Converse Lab

Gift-store assistant with Bedrock Converse and a custom Lambda tool loop.

Demo access on request

  • Converse API + tool loop for search, policy Q&A, and cart
  • Knowledge Base + S3 Vectors for cited policy answers
CDK Bedrock Lambda DynamoDB
GitHub Live demo

Commerce Agent Lab

Same assistant on Bedrock Agents — managed orchestration and action groups.

Demo access on request

  • Bedrock Agent with OpenAPI action group Lambda
  • Knowledge Base attached for policy retrieval
Bedrock Agents CDK Lambda DynamoDB
GitHub Live demo

Commerce AgentCore Lab

Same assistant on AgentCore Runtime, Gateway MCP tools, and Memory.

Demo access on request

  • Runtime Converse loop with Gateway tool dispatch
  • Short-term Memory for shopper session context
AgentCore CDK Bedrock DynamoDB
GitHub Live demo

Commerce Mantle Lab

Same assistant on Bedrock Mantle Responses API with server-managed state.

Demo access on request

  • OpenAI-compatible Responses API on bedrock-mantle
  • Stateful turns via previous_response_id
Mantle CDK Bedrock Lambda
GitHub Live demo

AWS Labs

Serverless REST API & Lambda Power Tuning

API Gateway + Lambda + DynamoDB, tuned across six memory configs.

  • 66× faster and 12× cheaper at 512 MB vs 128 MB
  • Two CDK stacks: runtime API and Step Functions tuner
CDK Lambda DynamoDB Step Functions Python
GitHub LinkedIn

Health Monitor — Fitbit-Style AWS Lab

Ten-phase CDK lab: Cognito, IoT, SQS, analytics, and live insights.

  • Live dashboard for steps, activity, and heart rate
  • Cognito auth, SQS ingest, CloudWatch, and WAF
CDK Lambda Cognito IoT SQS WAF
GitHub LinkedIn Live insights

Session Continuity Lab

Compares in-memory, DynamoDB, and Redis when Lambda traffic fails over.

  • Three storage modes with simulated mid-session failover
  • Live visualizer of session carry-forward vs loss
CDK Lambda DynamoDB API Gateway CloudFront
GitHub LinkedIn Live demo

Clickstream Lab — Real-Time Event Pipeline

Kinesis on-demand → Lambda → DynamoDB with a live activity API.

  • On-demand Kinesis with partial batch failure retries
  • Atomic product counters for view, cart, and purchase
CDK Kinesis Lambda DynamoDB API Gateway
GitHub Live demo

Posting Integrity — Ghost Job Detector

Scores Greenhouse/Lever URLs for stale listings with a live paste-a-URL check.

Demo access on request

  • 0–100 risk score from age, reposts, and careers cross-check
  • Daily collectors + 12h check cache (~$3–10/mo)
CDK Lambda DynamoDB SQS API Gateway EventBridge
GitHub Live demo

Professional

Multi-Agent AI — Natural Language to Analytics

LangChain/LangGraph + Bedrock turns questions into Athena SQL over S3 lakes.

  • Cut ad-hoc reporting from days to minutes
  • Self-service analytics for leadership without BI wait
LangChain LangGraph AWS Bedrock Athena S3 Python

RAG Pipelines on ECS Fargate

Production RAG with FAISS + Bedrock embeddings on ECS Fargate.

  • Semantic search with FAISS and Bedrock embeddings
  • IAM, VPC isolation, WAF v2, and Secrets Manager
RAG FAISS AWS Bedrock ECS Fargate WAF v2 Python

Keyless Multi-Account AWS CI/CD Platform

CDK + GitLab CI with STS AssumeRole — no long-lived credentials.

  • Instance profile → tagged STS AssumeRole across accounts
  • Policy factories, permission boundaries, and cdk-nag
CDK GitLab CI IAM STS cdk-nag TypeScript

SQL Server to Cloud Data Pipeline

PySpark pipelines: SQL Server → S3 Parquet + Athena + Glue.

  • Nightly full-replace sync via EventBridge Scheduler
  • Unlocked self-service BI across business teams
PySpark Athena Glue EventBridge S3 Python

Terraform IaC — Zero Config Drift Platform

End-to-end AWS with Terraform workspaces and DynamoDB state locking.

  • Zero config drift across dev/test/prod
  • ECS, RDS, Cognito, Lambda, WAF v2, Glue, Athena
Terraform ECS Fargate RDS Cognito WAF v2 DynamoDB

Zero-Downtime CI/CD with AI-Assisted Delivery

GitLab → Docker/ECR → ECS rolling revisions on every commit.

  • Zero-downtime ECS task definition revisions
  • Claude Code for agentic workflow prototyping
GitLab CI Docker ECR ECS IAM Claude Code