Summary
Overview
Work History
Education
Skills
Timeline
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Subhabrata Biswas

Kolkata

Summary

Cloud Solutions Engineer with proven expertise in building secure, automated, and scalable infrastructure and application architectures on Microsoft Azure. Specialized in designing GenAI chatbot platforms using Azure Open AI, AI Search, Durable Functions, and secure networking (Private Endpoints, Private DNS). Extensive experience in Infrastructure-as-Code (IaC) using both ARM templates and Terraform. Strong proficiency in Azure DevOps pipelines using YAML for end-to-end CI/CD automation across infrastructure and Python-based application deployments. Adept at implementing best practices for security, DR, and performance monitoring across multi-environment setups.

Overview

1
1
year of professional experience

Work History

Azure DevOps Engineer

Mars
01.2025 - Current
  • Architected a dual-function app system (Durable + Stateless) to orchestrate conversational state and handle LLM queries via Azure OpenAI.
  • Integrated Azure AI Search for semantic indexing and retrieval-augmented generation (RAG).
  • Established secure access using Private Endpoints and DNS zones for Function Apps, OpenAI, AI Search, Key Vault, and Storage.
  • Implemented full infrastructure deployment using ARM templates, including creation of Private DNS zones, VNETs, Subnets, and all service integrations.
  • Automated approval and configuration of private endpoints using Azure REST APIs via Bash scripts.
  • Connected Azure API Management (internal mode) with backend services, securing and exposing APIs behind a VNET-integrated gateway.
  • Managed secrets securely using Key Vault references in environment variables across isolated Function App instances.
  • Created and Managed the Network Security Group rules for Azure Resources
  • Developed application CI/CD pipeline using Azure DevOps YAML to deploy Python-based Azure Function Apps with environment-specific configuration and Key Vault integration.
  • Created infrastructure CI/CD pipeline to provision all Azure resources using a combination of ARM templates and Bash scripts.

Azure Infrastructure Engineer

McCain Foods USA
08.2024 - 01.2025
  • Designed and implemented end-to-end IaC using Terraform to provision Azure resources across multiple environments via Azure DevOps.
  • Developed reusable Terraform modules for consistent infrastructure deployment and easier environment replication.
  • Integrated Terraform workflows into Azure DevOps pipelines for seamless CI/CD with enforced remote state backend and locking mechanisms.
  • Managed multiple workspaces and state files to support dev, QA, staging, and production environments.
  • Designed Terraform code to extract and securely store secrets (passwords, usernames, keys) into Azure Key Vault.
  • Built hub-and-spoke VNET architecture for secure multi-environment isolation.
  • Created dashboards for 100+ Azure metrics and deployed observability resources (Log Analytics, App Insights, Azure Monitor) using Terraform.
  • Developed DR solutions for existing VMs and implemented cost optimization strategies using storage lifecycle policies and retention rules.
  • Deployed serverless workflows with Azure Functions via Terraform and YAML pipelines.

Education

MBA - Marketing Management

KIIT SCHOOL OF MANAGEMENT
Bhubaneswar
06-2015

Bachelor of Technology - Electronics And Communications Engineering

WBUT
KOLKATA
05-2012

Azure Administrator Associate(AZ 104) -

Microsoft

Azure Fundamentals (AZ-900) -

Microsoft

Skills

  • GenAI Chatbot Architecture on Azure
  • Azure Function Apps (Durable & Stateless)
  • Terraform & ARM Templates (IaC)
  • Python-based Function App Deployment
  • Key Vault Secret Management via CI/CD
  • Secure Networking: Private Endpoints, DNS Zones
  • Azure API Management (Internal Mode)
  • Azure OpenAI, AI Search Integration
  • Azure Monitor, Log Analytics, Application Insights
  • CI/CD Pipeline Automation with Azure DevOps (YAML)

Timeline

Azure DevOps Engineer

Mars
01.2025 - Current

Azure Infrastructure Engineer

McCain Foods USA
08.2024 - 01.2025

MBA - Marketing Management

KIIT SCHOOL OF MANAGEMENT

Bachelor of Technology - Electronics And Communications Engineering

WBUT

Azure Administrator Associate(AZ 104) -

Microsoft

Azure Fundamentals (AZ-900) -

Microsoft

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Subhabrata Biswas