Full Stack Product Engineer (AI), Search jobs in United States
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Harmonic · 6 hours ago

Full Stack Product Engineer (AI), Search

positionNew York, NY
timeFull-time
remoteOnsite
seniorityMid Level
money$160K/yr - $210K/yr
date3+ years exp

Harmonic is a startup discovery engine dedicated to mapping the startup landscape and ensuring promising founders get found and funded. The Full Stack Product Engineer will build AI-fueled products for venture capital, focusing on end-to-end AI capabilities and shaping AI-native experiences through collaboration with various teams.

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H1B Sponsor Likelynote

Responsibilities

Build AI-fueled products for VC: We have a tight-knit, fast-paced team working across the stack on the cutting edge of AI frameworks, LLM models, and the next-gen of AI-first product experiences
You'll build and ship end-to-end AI capabilities – from core features in our LangGraph backend, to critical user journeys in the frontend React UI
Agentic experimentation & evaluation: The industry is rapidly evolving, and new models and frameworks emerge weekly. We've built systems and evaluation frameworks that enable us to quickly determine whether new models perform better in pockets of the product, and are relentless about experimenting with new frameworks that emerge if we see a not-before-possible use case it can service
You'll be hands on rapidly prototyping, benchmarking, and tuning usage of LLM models and agentic architectures. Establishing and building new evaluation frameworks, and partnering with human (+ LLM) evaluators to constantly improve user outcomes for AI-driven experiences
Shape AI-native experiences: We're in the very early innings of an HCI evolution, and are part of shaping AI-native design principles and patterns. We're stoked to be at the forefront, proving out new functional patterns
You will collaborate with product, design, data, and go-to-market teams to design and build AI-first product experiences that make investors 10x more productive

Qualification

Full-stack developmentPythonReactAI/LLM modelsProblem-solvingCustomer-obsessionCuriosityProduct taste

Required

3–5 years of software engineering experience, with substantial exposure to full-stack development in Python and React
A love for keeping up with the latest AI/LLM models, new frameworks, and experimenting with AI-native tools
Strong problem-solving skills and a track record of driving product development initiatives in fast-paced environments
Top-tier product taste, unrelenting curiosity, and customer-obsession

Benefits

Top of the line health, dental and vision insurance, with 100% premium covered
401k matching
Free lunch in office
Monthly team dinner (we have a lot of foodies) for each office
Commuter benefits

Company

Harmonic

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Glassdoor3.8
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Harmonic is the complete startup database.
dateFounded in 2020
location
San Francisco, California, USA
people-size51-200 employees
web-link
https://www.harmonic.ai

H1B Sponsorship

Harmonic has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (3)
2024 (1)

Funding

Current Stage
Growth Stage
Total Funding
$30M
Key Investors
Sozo Ventures
2022-11-06Series A· $23M
2021-03-01Seed· $7M

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