Jobs in the United States

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Modeling and Simulation Engineer
IRC Trane Technologies Company LLC
Tyler, TX · Pueblo, CO · La Crosse, WI · Clarksville, TN
Join Trane Technologies as a Modeling and Simulation Engineer and be at the forefront of innovation in HVAC technology. In this role, you will support HVAC product development through…
Added 1 min ago
Technical Program Manager - Frontier AI Data Labeling
Hippocratic AI
Menlo Park, CA
We’re hiring a Technical Program Manager to run the human-in-the-loop data labeling engine behind our frontier healthcare AI. That spans audio and conversation annotation, clinician-labeled…
Added 1 min ago
Program Manager, Partner Enablement
Forward
Remote, United States
Working technical fluency in networking or security sufficient to scope labs and capstones with Technical Services and assess content quality; direct lab development is not required.
Added 2 mins ago
Systems Engineer Sr Principal
SAIC
Aurora, CO
SAIC is looking for a Systems Administrator/Network Engineer/Spacecraft Command/Control Scheduler. Duties will include coordinating and managing end to end architecture by scheduling…
Added 2 mins ago
Space Vehicle Production Engineer
SAIC
Chantilly, VA
This position is for a Space Vehicle Production Engineer in Chantilly, VA supporting cutting-edge and innovative space programs. The Space Vehicle Production Engineer will work daily…
Added 2 mins ago
UX/UI Engineer
SAIC
Alexandria, VA
SAIC is seeking a UX/ UI Engineer to support Joint Engineering and Test Enterprise Portal (JETEP) software development activities to deploy tools, capabilities, and content. The ideal…
Added 3 mins ago
Lead Mechanical Engineer
Reuter-Stokes, LLC
United States
Development of our people, who are process focused and thrive on executing strategy and profitable growth through a disciplined cadence of execution. Nothing that we accomplish can be…
Added 3 mins ago
Structural/Mechanical Analysis Engineer
Omega Technical Services
Idaho Falls, ID
…position is remote-eligible, with periodic coordination calls with technical leads expected; no mandatory on-site presence is required. Engagement duration and hours will be determined…
Added 5 mins ago
PD
Systems Engineer 4
PDS Defense
El Segundo, CA
- $94 to $99 USD / hour
PDS Defense, Inc. is seeking a Systems Engineer 4, in El Segundo, CA. Job ID#225410
Added 5 mins ago
Lead GNC Engineer – Flight Simulation
Mavensoft Technologies, LLC.
Chandler, AZ
Leading the design, development, implementation, verification, and test of high‐quality flight and simulation software; owning the design and maintenance of 6‐DOF simulations used to…
Added 5 mins ago
GNC Engineer - Modeling, Simulation
Mavensoft Technologies, LLC.
Chandler, AZ
Leading the design, development, implementation, verification, and test of high‐quality software and simulation toolchains; owning the development and maintenance of six‐degree‐of‐freedom…
Added 6 mins ago
Software Dev Engineer I - Security Platform
Twitch
Irvine, CA · San Francisco, CA
…learning, and making meaningful impact through sophisticated technical…
Added 6 mins ago
Software Dev Engineer I - Security Platform
Twitch
San Francisco, CA
…learning, and making meaningful impact through sophisticated technical…
Added 6 mins ago
Software Dev Engineer I - Security Platform
Twitch
Seattle, WA · San Francisco, CA
…learning, and making meaningful impact through sophisticated technical…
Added 6 mins ago
Scientific Associate Director, Induced Proximity Biology
The businesses of Merck KGaA, Darmstadt, Germany
Billerica, MA
…evolution in target identification, validation and in vitro assay development in cancer biology, with a specific emphasis on chemical biology and induced proximity. This role is expected to…
Added 8 mins ago
SO
ENVIRONMENTAL PROTECTION ENGINEER I (UMP)
State of Illinois
Springfield, IL
- $6,540 to $7,480 USD / month
…Recovery Act (RCRA) Unit A, is seeking an Environmental Protection Engineer I to join its team. This entry-level position offers hands‑on training and mentorship from experienced engineers…
Added 8 mins ago
Staff Software Engineer, CK Money
Intuit
New York, NY · Charlotte, NC
…and agentic capabilities - both in the product and in how we engineer - take AI-powered features to production, and evaluate their impact with the right metrics. Coach the team on using AI…
Added 9 mins ago
HA
Test Engineer
Hadrian Automation
Torrance, CA
- $135,000 to $220,000 USD / year
…up with no legacy test framework to work around. As a Test Engineer, you'll be the responsible engineer and technical lead for all proof and functional testing on a large manufacturing…
Added 11 mins ago
Software Development Engineering - Advisor I
Fiserv
Sunnyvale, CA
What does a successful Senior Cloud Automation Engineer do at Fiserv?
Added 11 mins ago
Senior Software Developer - Environmental Services
Burns & McDonnell
Kansas City, MO
…Practice, the Senior Software Developer will lead the design, development and analysis of sophisticated software programs and applications, with a focus on a full-stack, AI-enabled…
Added 13 mins ago
RA
Intern, Electrical Engineering
Rockwell Automation (USA)
Chelmsford, MA
- $22 to $32 USD / hour
We are looking for an Electrical Engineer Intern who is interested in gaining hands-on experience in electrical testing, creating test plans, and more. You will report to the Manager of New…
Added 13 mins ago
TT
Product Engineer, Mid-Senior
True Talent Solutions Partners
New York, NY
- $140,000 to $200,000 USD / year
- Lead frontend and backend development, mentor engineers, and ship product features from design through deployment.
Added 14 mins ago
ERP Organizational Change Management Strategist
AeroVironment, Inc.
United States
…leadership, program teams, business stakeholders, Learning & Development (LM) to ensure changes are understood, adopted, reinforced, and sustained, and that transformation delivers…
Added 15 mins ago
Aerospace Engineer II
AeroVironment, Inc.
Huntsville, AL
We are looking for an Aerospace Engineer II to join the Innovation Center in Huntsville to design, prototype, integrate, and test Unmanned Systems and Munitions. These development efforts…
Added 15 mins ago
Staff Mechanical Engineer (Flexible Instruments)
Intuitive
Sunnyvale, CA
The Staff Mechanical Engineer, Advanced Energy, will serve as a technical and design lead for the development of advanced energy products and/or sub-systems at Intuitive. This role is…

PermitFlow

Principal Software Engineer, Platform

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: 15+ years of software engineering experience, including time setting technical direction across multiple teams.
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 Principal Engineer to own the evolution of our architecture and platform so it works for agents as well as people. Our goal is simple: double the output of our entire organization while raising the quality bar. The scope is the whole platform. You’ll work across infrastructure, shared services, and product code, and step in as a product engineer anywhere in the stack when that is the fastest way to move.

The ideal candidate is deep in code architecture and platform engineering, already works agent-first, and has built foundations that other teams adopted because they were better. This role reports directly to our VP of Engineering.

WHAT YOU'LL DO

Own the architecture of our codebase. Set the patterns, module boundaries, and domain abstractions across our monorepo, and lead the refactors and migrations that get us there.
Design the monorepo for agents. Structure packages, ownership, the build graph, and conventions so an agent can find the right context, make a scoped change, and verify it without reading the whole repo.
Build the platform substrate. Own the shared services, infrastructure, and paved paths (data access, background jobs, environments, observability) that product teams build on and agents can use safely.
Own the agentic SDLC. Define how work moves from ticket to production when agents do much of the writing, testing, and reviewing. Set the defaults every team builds on, and change them as models and tools improve.
Scale verification with volume. Build AI-assisted code review, test generation, and CI gates so confidence to merge keeps pace as PR volume doubles. Decide where human review is required and where it is not.
Put agents to work in the background. Stand up agents that pick up well-scoped tickets, triage flaky tests, run dependency upgrades and large migrations, and draft fixes from incidents and error reports.

WHAT WE'RE LOOKING FOR

You've owned the architecture of a large, multi-team codebase. You've set the module boundaries and patterns others build within, run monorepo tooling (Nx, Turborepo, Bazel, or similar), and led migrations that changed how a whole org works.
Strong platform and infrastructure depth: cloud infrastructure, infrastructure as code, CI/CD, observability, and services you've run in production through real incidents.
You can work across the stack as a product engineer, from data model to UI, and you're happy to do it.
You work agent-first today. A large share of the code you ship comes from AI coding agents, and you have specific, earned opinions on where they break and how codebase structure fixes that.
Current knowledge of the agentic stack as it applies to software engineering: context engineering, agent instructions and skills, MCP, sandboxed execution, and how to evaluate a coding agent's output.
You operate with earned authority. You influence through demonstrated judgment, working code, and clear writing rather than title or mandate.
15+ years of software engineering experience, including time setting technical direction across multiple teams.

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.

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