Jobs in the United States

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Civil Engineer - Land Development
GPAC
Phoenix, AZ
…throughout the Phoenix area. This is an excellent opportunity for an engineer who enjoys problem-solving, values mentorship, and wants to expand their technical and professional…
Added 1 min ago
Transportation Engineer
GPAC
Norcross, GA
Civil Roadway/Transportation Design Engineer with responsible for the planning, design, and development of transportation and roadway infrastructure projects from preliminary concepts…
Added 2 mins ago
Software Engineer
CoreLogic Solutions, LLC
Dallas, TX
Added 2 mins ago
Materials Co-op Engineer/Intern (Fall 2027)
Applied Medical Technology Inc.
Brecksville, OH
Added 5 mins ago
Civil Structural Engineer
GPAC
Norcross, GA
We are seeking a Structural Design Engineer to join our growing team. This role offers the opportunity to participate in every phase of structural engineering projects, from preliminary…
Added 5 mins ago
Transportation Engineer
GPAC
Chicago, IL
Civil Roadway/Transportation Design Engineer with responsible for the planning, design, and development of transportation and roadway infrastructure projects from preliminary concepts…
Added 5 mins ago
Civil Structural Engineer
GPAC
Chicago, IL
We are seeking a Structural Design Engineer to join our growing team. This role offers the opportunity to participate in every phase of structural engineering projects, from preliminary…
Added 5 mins ago
G
Sr. Electrical Engineer/Project Manager
GPAC
Columbus, OH
- $95,000 to $155,000 USD / year
A reputable and established multi-disciplinary Engineering firm is looking for a Senior Electrical Engineer/Project Manager, with a passion to deliver excellence! This firm works hard to…
Added 6 mins ago
Manufacturing Engineer
GPAC
Arkadelphia, AR
A well-established manufacturer is searching for a Manufacturing Engineer to join their team! A leader in their respective markets while also committed to both customers and employees.…
Added 6 mins ago
Manufacturing Engineer
GPAC
Little Rock, AR
A well-established manufacturer is searching for a Manufacturing Engineer to join their team! A leader in their respective markets while also committed to both customers and employees.…
Added 7 mins ago
Sr Supplier Quality Engineer
Textron
Williamsport, PA
Position Title: Sr. Supplier Quality Engineer
Added 8 mins ago
Civil Engineer - Land Development
GPAC
Greenville, SC
…the Greenville area. This is an excellent opportunity for an engineer who enjoys problem-solving, values mentorship, and wants to expand their technical and professional…
Added 8 mins ago
G
Structural Steel Erection Assistant Project Manager
GPAC
Des Moines, IA
- $80,000 to $100,000 USD / year
…permanent, full-time role is a great next step for a project engineer or APM ready to move…
Added 8 mins ago
G
Structural Steel Erection Assistant Project Manager
GPAC
Omaha, NE
- $80,000 to $100,000 USD / year
…permanent, full-time role is a great next step for a project engineer or APM ready to move…
Added 9 mins ago
Software Engineer
CoreLogic Solutions, LLC
Dallas, TX
Added 9 mins ago
Manufacturing Engineer
GPAC
Mountain Home, AR
A well-established manufacturer is searching for a Manufacturing Engineer to join their team! A leader in their respective markets while also committed to both customers and employees.…
Added 9 mins ago
Mechanical Engineer
GPAC
Monticello, AR
An employee owned and operated manufacturer in the area is searching for a Mechanical Engineer to join their team. The company is a leader in their respective markets and committed to both…
Added 9 mins ago
Manufacturing Engineer
GPAC
Harrison, AR
A well-established manufacturer is searching for a Manufacturing Engineer to join their team! A leader in their respective markets while also committed to both customers and employees.…
Added 9 mins ago
Mechanical Engineer
GPAC
Springdale, AR
An employee owned and operated manufacturer in the area is searching for a Mechanical Engineer to join their team. The company is a leader in their respective markets and committed to both…
Added 9 mins ago
Manufacturing Engineer
GPAC
Hot Springs, AR
A well-established manufacturer is searching for a Manufacturing Engineer to join their team! A leader in their respective markets while also committed to both customers and employees.…
Added 9 mins ago
Manufacturing Engineer
GPAC
Fort Smith, AR
A well-established manufacturer is searching for a Manufacturing Engineer to join their team! A leader in their respective markets while also committed to both customers and employees.…
Added 9 mins ago
G
Electrical Design Engineer
GPAC
Magnolia, AR
- $80,000 to $110,000 USD / year
Added 9 mins ago
Mechanical Engineer
GPAC
Forrest City, AR
An employee owned and operated manufacturer in the area is searching for a Mechanical Engineer to join their team. The company is a leader in their respective markets and committed to both…
Added 9 mins ago
Manufacturing Engineer
GPAC
El Dorado, AR
A well-established manufacturer is searching for a Manufacturing Engineer to join their team! A leader in their respective markets while also committed to both customers and employees.…
Added 12 mins ago
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Engineer-Civil-P.E. - Wichita, KS
GPAC
Wichita, KS
- $100,000 to $165,000 USD / year
We are seeking an experienced Professional Engineer (PE) to join our Land Development team in a Project Manager capacity. This individual will play a key role in leading projects, managing…

PermitFlow

Principal Software Engineer, AI

New York City, NY, United States

$250,000 to $300,000 USD / year

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Job details

Pay: $250,000 to $300,000 USD / year
Experience: 10+ years of software engineering experience with recent time spent building LLM-powered products.
Posting language: English
Posted: Nov 4, 2026

Original job description

PermitFlow is redefining how America builds. We’re an applied AI company serving the nation’s builders, tackling one of the largest information challenges in the economy: understanding what can be built, where, and how. Our AI agent workforce helps the fastest-growing construction companies navigate everything from permitting and licensing to inspections and project closeouts – accelerating housing, clean-energy, and infrastructure development across the country.

Despite being a $1.6T industry, construction still suffers from massive delays, wasted capital, and lost opportunity. PermitFlow has already delivered unprecedented speed, accuracy, and visibility to over $20B in development, helping contractors reduce compliance time, de-risk projects, and scale with confidence.

As the U.S. enters a new capex supercycle across data centers, factories, housing, and renewables, joining PermitFlow means building the AI infrastructure at the core of every construction project driving the next wave of reindustrialization.

We’ve raised over $90M, most recently completing our Series B, https://www.permitflow.com/blog/permitflow-series-b from top-tier investors including Accel, Kleiner Perkins https://www.linkedin.com/feed/update/urn:li:activity:7401703305569275904/, Initialized, Y Combinator, Felicis, and Altos Ventures, with backing from leaders at OpenAI, Google, Procore, ServiceTitan, Zillow, PlanGrid, and Uber.

Our HQ is in New York City with a hybrid schedule (3 in-office days per week). We prefer NYC-based candidates or those open to relocation.

ROLE OVERVIEW

We're hiring a Staff/Principal Engineer to build PermitFlow's core product AI Assistant, infrastructure, and workflow agents. This is a role that will require UX and technical acumen to deliver high quality agents in a genuinely complex domain, while also up-leveling our core agentic infrastructure and data flywheel.

Submitting a permit means comprehending construction documents, extracting project details, confirming every requirement has been met and often filling in pdf forms. Errors compound across steps and a failed submission adds real cost for our customers as projects slow.

The ideal candidate will mix an exceptional history of product delivery with true experience building AI and Agentic infrastructure from the ground up. You ship quickly, instrument everything, hold a high quality bar, and stay close to the users of what you build.

This role reports directly to our VP of Engineering. We're hiring at Staff or Principal, with the level based on past experience and interview performance.

WHAT YOU'LL DO

Own the agent architecture. Design the reasoning loop, planning and decomposition strategy, state and session model, and recovery behavior for long-running tasks.
Build the context layer. Retrieval, memory, and context-window management over project documents, jurisdictional requirements, prior submissions, and customer-specific conventions.
Design the action surface. Define the tools the assistant can call, the permissions model around them, and the human-in-the-loop checkpoints for actions that are expensive or irreversible.
Make evaluation the engine of progress. Stand up offline and online eval harnesses that measure task completion and failure modes. Build the iteration loop that lets the whole team improve agent quality on evidence.
Set the bar for the org. Establish the abstractions, SDKs, and review standards other engineers build agentic features on.
Stay close to the customer. Sit with permit coordinators and builders, watch the assistant fail in real conditions, and bring that back into the system design.

WHAT WE'RE LOOKING FOR

You've shipped an assistant or agentic product at meaningful scale
Deep, current knowledge of the agentic stack (tool calling and tool design, context engineering, memory, retrieval, orchestration patterns, etc)
You’ve built eval harnesses that changed what a team worked on, and you can articulate what makes an eval trustworthy.
You are a genuinely strong software engineer, not an AI specialist who needs someone else to make it production-ready. You’ve owned services in production and you write code that other people are glad to inherit.
You operate with earned authority. You influence through demonstrated judgment, working code, and clear writing rather than title or mandate.
10+ years of software engineering experience with recent time spent building LLM-powered products.

WHAT WE OFFER

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

PermitFlow provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, genetics, sexual orientation, gender identity, gender expression, or family status, as protected by applicable law.

We are committed to a diverse and inclusive workforce and welcome people from all backgrounds, experiences, perspectives, and abilities. All employment decisions are based on merit, qualifications, and business needs.