AI Solution Architect(Looking For Immediate Joiners Only)

3Pillar; United States; Remote; USD 180,000 - 240,000; Full time

Job summary

3Pillar Global is seeking a senior AI/GenAI architect to lead production-grade AI solutions on Azure OpenAI. You will shape architecture, guardrails, and release processes for scalable, multi-tenant SaaS platforms.

You will own end-to-end Azure application design, partner with engineering teams, and drive modernization using DDD, Clean Architecture, and CI/CD pipelines.

Qualifications

• Proven track record building GenAI/LLM apps in production with RAG and tool-calling agents.
• Hands-on experience with Azure + .NET or Node.js stack and cloud IaC.
• Strong architectural ownership from design to production with guardrails.

Responsibilities

• Design and lead production-ready AI/GenAI solutions on Azure OpenAI.
• Define AI boundaries, evaluation, guardrails, human review, and release processes.
• Own end-to-end Azure application architecture from design through production.
• Design scalable architecture using DDD, Clean/Hexagonal Architecture, Azure SQL, Service Bus, and CI/CD.
• Lead legacy modernization, architecture decisions, code/design reviews, and technical teams.
• Create C4 diagrams and ADRs; communicate architecture, costs, and risks to stakeholders.

Skills

Software engineering

Architecture

GenAI/LLM

RAG

Tool calling

Azure

.NET / Node.js

Azure SQL

Service Bus

CI/CD

IaC

DDD / Clean Architecture

Anti-Corruption Layer

Education

Azure Solutions Architect Expert

Azure AI Engineer Certification

Tools

Azure OpenAI

Azure SQL

Service Bus

CI/CD

IaC

Job description

• Design and lead production-ready AI/GenAI solutions using Azure OpenAI, RAG, AI Agents, and tool calling.
• Define AI boundaries, evaluation, guardrails, human review, and release processes.
• Own the end-to-end Azure application architecture, from design through production.
• Design scalable application architecture using DDD, Clean/Hexagonal Architecture, Azure SQL, Service Bus, and CI/CD.
• Lead legacy modernization, architecture decisions, code/design reviews, and technical teams.
• Create C4 diagrams and ADRs and communicate architecture, costs, and risks to technical and business stakeholders.

Required Skills:

• Has 12+ years of software engineering experience and 5+ years as an Architect.
• Has shipped GenAI/LLM applications to production, specifically RAG or tool-calling agents, structured outputs, and prompt/model versioning.
• Has real experience with AI evaluation and guardrails in productionnot just GenAI development.
• Can make sound decisions on where AI should and should not be used, with real project examples.
• Has owned production architecture using Clean/Hexagonal Architecture, DDD, domain boundaries, and Anti-Corruption Layers.
• Is still hands-on/coding with Azure + .NET or Node.js, including Azure SQL, Service Bus, hosting, CI/CD, and IaC.

Additional Experience Desired:

• Experience with multi-tenant SaaS architecture and tenant isolation.
• Experience with legacy modernization, including Strangler Fig, feature flags, and parity validation.
• Experience with Azure AI Document Intelligence and document generation/rendering.
• Exposure to .NET and Node.js, with Python for AI services.
• Experience with third-party integrations such as e-signature, payments, messaging, and data feeds.
• Knowledge of OpenID Connect/SAML, Web Components, and design-token systems.
• Experience with AI cost optimization, including token usage and cost per tenant.
• Azure Solutions Architect Expert or Azure AI Engineer certification.

Rajan Paul

3Pillar Global

[e-mail]