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# Full Stack Engineer

- **Company:** Kelly Services Inc.
- **Location:** New York, NY, United States
- **Experience:** Experienced
- **Salary:** $150,000.0 - $300,000.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Large Language Models, Backend, Front End Software Development
- **Published:** August 22, 2026
- **Apply:** https://www.manhattanjobs.com/job.asp?id=3363338749&tx=FK7976FFQ&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

Experience: 3-10 years building 0?1 products, * Deep experience in at least one full-stack language + strong product sense.

 * Background in high-velocity environments (early-stage startup or quant-style engineering team).
 * Demonstrated ownership and meaningful impact in past roles.
 * Strong tenure (2+ years) and evidence of progression.
 * Strong academic foundation (top global university, strong GPA).
 * Passionate about solving complex problems in a collaborative, in-person setting.

Bonus Skills

 * Product management instincts: user research, iteration, feedback loops.
 * Experience with AI/LLM-integrated products.

## Description

A fast-growing AI company in NYC (Flatiron) backed by top-tier investors recently raised a $30M Series A and is building end-to-end AI systems for accounting and finance workflows. The team is scaling quickly and is hiring a Fullstack Product Engineer to own major product surfaces and ship real, production-grade features used by customers daily.

What You'll Do

 * Own product features end-to-end-from idea ? design ? build ? deploy.
 * Architect full-stack systems spanning frontend, backend, and APIs.
 * Work closely with users and internal teams to shape product direction.
 * Drive high-quality execution in a fast, iterative environment.
 * Contribute to engineering culture and mentor teammates.


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