Principal Software Engineer – Platform

PermitFlow

. Own the evolution of PermitFlow's architecture and platform for AI agents and people .

Posted 11/5/2026full-timeNew York City • New York • United StatesLead💰 $250,000 - $300,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in architecting large, multi-team codebases and leading migrations that transform organizational workflows. Proficient in cloud infrastructure, CI/CD, and observability, with a strong focus on AI-assisted development practices.

Highest-signal resume keywords

Architecture OwnershipMonorepo Tooling ExperienceCloud Infrastructure ExpertiseAI-Assisted DevelopmentSoftware Engineering Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software EngineeringArchitecture DesignCodebase ManagementMigration LeadershipCI/CD ImplementationInfrastructure as CodeObservability PracticesContext EngineeringAgent InstructionsSandboxed Execution

Soft Skills

Influential CommunicationJudgment

Tools & Technologies

NxTurborepoBazelCloud Services

Industry Keywords

AI AgentsProduct EngineeringMulti-Team CollaborationTechnical Direction

Tech Stack

Tools & technologies

Cloud

About the role

Key responsibilities & impact

Own the evolution of PermitFlow's architecture and platform for AI agents and people
Own the architecture of the codebase, including patterns, module boundaries, and domain abstractions across the monorepo
Lead refactors and migrations
Design the monorepo for agent navigation, scoped changes, and verification
Build and own shared services, infrastructure, and paved paths for data access, background jobs, environments, and observability
Define and evolve the agentic software development lifecycle from ticket to production
Build AI-assisted code review, test generation, and CI gates
Determine where human review is required
Stand up agents for scoped tickets, flaky-test triage, dependency upgrades, migrations, and incident/error-report fixes
Work across infrastructure, shared services, and product code as a product engineer
Report directly to the VP of Engineering

Requirements

What you’ll need

You've owned the architecture of a large, multi-team codebase
You've set module boundaries and patterns others build within
Experience running monorepo tooling (Nx, Turborepo, Bazel, or similar)
Experience leading migrations that changed how a whole organization works
Strong platform and infrastructure depth
Experience with cloud infrastructure, infrastructure as code, CI/CD, observability, and production services through real incidents
Ability to work across the stack as a product engineer, from data model to UI
You work agent-first today; a large share of the code you ship comes from AI coding agents
Current knowledge of context engineering, agent instructions and skills, MCP, sandboxed execution, and evaluating coding-agent output
Ability to influence through demonstrated judgment, working code, and clear writing
15+ years of software engineering experience, including time setting technical direction across multiple teams
Prefer NYC-based candidates or candidates open to relocation
This role requires 3 days/week (M/W/F) in the NYC office
Legally authorized to work in the United States

Benefits

Comp & perks

Meaningful equity in a high-growth company
Bonus
100% company-paid base medical, dental, and vision coverage for employees
Healthcare FSA
401(k) savings plan
Unlimited PTO
Paid family leave
Home office & equipment stipend
Daily in-office lunch and dinner provided
Commuter benefits (pre-tax transit and parking)