Full Stack Engineer

Kelly Services; New York (NY); On-site; USD 150,000 - 300,000; Full time

Job summary

Motion Recruitment Partners in NYC is seeking a Fullstack Product Engineer to own major product surfaces and ship production-grade features used by customers daily. This on-site role offers equity and a high-growth path.

Ideal candidates have 3–10 years building products, visa available, and a track record of ownership in fast-moving teams. You will collaborate with users and internal teams to shape direction and drive impactful outcomes.

Qualifications

• 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.

Responsibilities

• Own product features end-to-end—from idea to design to build to 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.

Skills

Full-stack experience

Product sense

Ownership

Team collaboration

Education

Top global university

Tools

APIs

Job description

$150000 - $300000

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.

Motion Recruitment Partners (MRP) is an Equal Opportunity Employer. All applicants must be currently authorized to work on a full-time basis in the country for which they are applying, and no sponsorship is currently available. Employment is subject to the successful completion of a pre-employment screening. Accommodation will be provided in all parts of the hiring process as required under MRP's Employment Accommodation policy. Applicants need to make their needs known in advance.