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Principal AI Architect

new york, NY

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Job description

Own the system design for agentic capabilities, including orchestration, context and state, tool boundaries, and reliability patterns for non-deterministic systems

Write TDRs, design documents, and standards that set architectural direction across teams

Prototype to validate architectural decisions before teams commit to them at scale

Partner with Data Science to integrate agent and model work with platform services, APIs, event streaming, and storage

Review engineering TDRs and provide substantive feedback on architecture and risk

Build consensus and alignment across engineering teams

Drive AI-assisted and agentic development adoption across engineering

Mentor senior and staff engineers on agentic system design

Communicate architectural decisions and trade-offs to executives and customers

Report to the Chief Architect and partner with engineering leadership, Product, and Data Science

Requirements

10+ years of software engineering experience, including significant time as a senior, staff, or principal-level architect or technical lead designing production systems

Deep expertise in distributed systems, including service boundaries, consistency models, event-driven architecture, API design (REST; gRPC familiarity a plus), and operating systems reliably at scale

Hands-on experience building, prototyping, and architecting agentic or LLM-powered systems in production, including agent loop design, context engineering, MCP and tool/function-calling integration, RAG architectures, memory and state management, and reliability and guardrail patterns for non-deterministic systems

Working knowledge of data engineering fundamentals, including data modeling, pipeline design, and streaming vs. batch

Track record of influencing without authority and earning genuine technical buy-in

Strong technical writing and mentorship skills, including TDRs, design docs, and decision records

Ability to communicate complex architectural decisions clearly to executives and customers

Comfort operating as a senior individual contributor

Familiarity with multi-agent orchestration patterns (preferred)

Experience with Node.js/TypeScript, PostgreSQL, ClickHouse, Kafka, AWS, and Kubernetes (preferred)

Experience leading AI-assisted or agentic development adoption across an engineering organization (preferred)

Experience partnering with data science or ML teams on productionizing their work (preferred)

Cybersecurity industry background (preferred)

No immigration sponsorship is provided for this position

Core Competencies

Demonstrates deep expertise in distributed systems and agentic capabilities, with a strong focus on architectural design, prototyping, and integration of AI-assisted systems. Proven ability to mentor engineers and communicate complex decisions effectively to stakeholders.

Highest-signal resume keywords

Distributed Systems Expertise

Architectural Design

Prototyping Agentic Systems

Technical Writing Skills

Mentorship and Leadership

ATS Optimization Keywords

Hard Skills

Software Engineering

API Design

Event-Driven Architecture

Data Modeling

Pipeline Design

Agent Loop Design

Context Engineering

Memory Management

Reliability Patterns

Guardrail Patterns

Soft Skills

Influencing Without Authority

Communication Skills

Consensus Building

Mentorship

Industry Keywords

Cybersecurity

AI-Assisted Development

Agentic Systems

Multi-Agent Orchestration

Tools & Technologies

Node.js

TypeScript

PostgreSQL

ClickHouse

Kafka

AWS

Kubernetes

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Worksite address

new york, NY, 10261, US

Who can apply

Review the original listing for work authorization, qualifications and employer requirements.

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