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# Senior Software Engineer

- **Company:** PROBOOK LLC
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Salary:** $200,000.0 - $250,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Software Engineering, AI Coding Agents
- **Published:** October 27, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-software-engineer-new-york-ny--0f513c2e-3802-4bea-9583-e8ebf6cc7fae

## About the Role

Software Engineering, HVAC, Operating Systems, Maintenance - Plumbing, Artificial Intelligence (AI), Electricity, Customer Experience, Customer Acquisition, Customer/Client Research, Onboarding, Technical Excellence

 * Exceptional coding fundamentals-comfortable with quant-level technical problems while leveraging AI coding tools as force multipliers
 * 2-6 years of backend engineering experience, ideally at fast-growing early-stage startups or as a founding engineer
 * Track record of building impressive systems or products (we actively evaluate for this in interviews)
 * Ability to master an existing codebase and ship meaningful contributions within 48 hours

Execution & Judgment

 * Extreme bias for action-you ship fast without sacrificing quality
 * Strong product sense and customer empathy-you understand what users need and how to deliver value
 * Architectural judgment-you build robust, scalable systems, not fragile quick fixes
 * Comfort with ambiguity and rapid context-switching

## Description

* The Tailwinds: $700B industry with clear tailwinds: AI adoption, labor shortages, and generational transitions creating demand for operational modernization. We are defining the category, not fighting for share.
 * The Traction: $XXM ARR in 18 months. Cash-flow positive. Product-market fit proven; now we're scaling.
 * Funding: $40M raised from Sequoia and Andreessen Horowitz
 * The Team: >60 people, our founding team comes from the space and has spent thousands of days onsite with our customers. We live the space. We're also becoming one of the most talent-dense start-ups in NYC (MIT, Harvard, UPenn M&T, Waterloo, Citadel, Palantir, ICPC world finalists, IMO Gold Medalists).