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# Full stack engineering and AI position

- **Company:** American IT Systems
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Salary:** $170,000.0 - $185,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Web Services, C++ (Programming Language), Cloud Computing, Python (Programming Language), Next.js, Web Application Frameworks, Rust (Programming Language), Backend, AngularJS, Automation Anywhere
- **Published:** July 3, 2026
- **Apply:** https://www.careerjet.com/jobad/usa9ec6384c328b2f76a75174563dbfd3b

## About the Role

* 4 - 7 years of experience in full- stack software engineering (backend- leaning)
 * Shipped production features end- to- end as a full- stack or backend- leaning engineer
 * Experience at early- stage startups (seed to Series A) in a high- ownership IC role
 * Experience building AI/LLM- powered product features deployed in production
 * Domain experience in PEO, payroll, or HR tech (e. g. Rippling, Justworks, Gusto, Mitre)

Education

 * Top 20 university with CS, CE, or related technical degree

Hard skills

 * Backend- leaning full- stack development with web frameworks
 * Cloud deployment experience (AWS preferred)
 * Experience with low- level languages (C, Java, Rust, C++)

## Description

"Switchboard" OR "Poshmark" OR "Ramp" OR "Brex" OR "Mercury" OR "Vanta" OR "Retool" OR "Linear Technology" OR "Vercel" OR "Resend") - High-growth seed to Series B startups (early-stage experience, product engineering mindset)
We are looking for a Software Engineer with 4+ years of experience to join

 * You'll own large projects end-to-end-from design and requirements through to delivery building vertical-specific AI workflows that help PEOs scale without scaling headcount.

What will you be doing?

 * Building and shipping vertical-specific AI workflows across client support, payroll data entry, and leave management
 * Taking large projects from start to finish independently-from design review and requirements to delivered feature
 * Defining technical patterns and architecture that will carry the product forward as the company scales
 * Contributing to product roadmap decisions and independently designing new features (25% product focus)
 * Engaging directly with customers to demo features, collect feedback, and deeply understand their needs, Job Description: Note: Fidelity will not provide immigration sponsorship for this position. The Role As a Senior Full Stack Developer in a Quantitative Development team, you …
 + 1 day ago, Job Description: Note: Fidelity will not provide immigration sponsorship for this position. The Role As a Senior Full Stack Developer in a Quantitative Development team, you …
 + 1 day ago
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