Fullstack Product Engineer / React + Node / Onsite (Flatiron NYC)

Motion Recruitment Partners, LLC; Toronto; On-site; CAD 206,000 - 413,000; Full time

Job summary

A leading AI company in NYC is seeking a Fullstack Product Engineer to own key product features and drive execution in a fast-paced environment. Candidates should have 3-10 years of experience, a strong academic background, and a passion for problem-solving in collaborative settings. Offered a highly competitive compensation package including equity. This is an on-site role requiring presence in New York City.

Benefits

Highly competitive compensation

Significant equity opportunities

Work alongside top engineers and researchers

Qualifications

• 3-10 years of experience building products.
• Evidence of progression in past roles.
• Passionate about solving complex problems.

Responsibilities

• Own product features end-to-end from idea to deployment.
• Architect full-stack systems spanning frontend, backend, and APIs.
• Drive high-quality execution in a fast, iterative environment.

Skills

Deep experience in at least one full-stack language

Strong product sense

Experience in high-velocity environments

Problem-solving abilities

Education

Strong academic foundation from a top global university

Job description

Fullstack Product Engineer – NYC (On-site, 5 days/week)

Comp: $150K-$300K highly competitive equity

Experience: 3-10 years building 0?1 products

Visa: Available

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.

What We’re Looking For

• 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.

Why Join

• Backed by world-class ML fintech investors.
• 10* revenue growth in the past 5 months.
• High ownership from day one; build at the edge of ML finance.
• Work alongside top engineers, ML researchers, and domain experts-all on-site in NYC.
• High risk, high reward environment with significant equity.

Interview Process

1. Initial recruiter screen
2. Founder/lead screening
3. Coding interview
4. Technical deep-dive or live coding
5. Onsite (3-4 hours) covering technical, communication, and culture fit
6. References

If you’re excited to build ambitious AI products and want to own meaningful surface area in a rapidly scaling environment, this role is for you.