Full-Stack AI Product Engineer, Discovery at Harmonic

New York, New York, United States

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Not SpecifiedCompensation

Mid-level (3 to 4 years), Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Venture Capital, TechnologyIndustries

Requirements

Experience building and shipping end-to-end AI capabilities across the full stack, including LangGraph backend and React frontend UI
Hands-on expertise in rapidly prototyping, benchmarking, and tuning LLM models and agentic architectures
Ability to establish and build new evaluation frameworks for AI models and partner with human (+ LLM) evaluators
Deep curiosity, insatiable growth mindset, and high agency to experiment with emerging AI frameworks, models, and agentic patterns
Background in top engineering environments (e.g., ex-founders or engineers from Google, LinkedIn, Microsoft, Meta) preferred

Responsibilities

Build and ship AI-fueled products for VC workflows, working across the stack on AI frameworks, LLM models, and AI-first product experiences
Develop core features in LangGraph backend and critical user journeys in the frontend React UI
Conduct agentic experimentation and evaluation, including rapid prototyping, benchmarking, and tuning of LLM models and agentic architectures
Establish and build evaluation frameworks to assess new models and frameworks, partnering with human and LLM evaluators to improve AI-driven user outcomes
Shape AI-native experiences by collaborating with product, design, and engineering teams to define new HCI design principles and functional patterns for venture-specific agentic frameworks

Skills

Full-Stack Engineering

LLMs

Agentic AI

Data Ingestion

Indexing

Product Engineering

Data Processing

Harmonic

Data platform for business intelligence

About Harmonic

Harmonic.ai provides a platform that offers detailed information on over 20 million companies and 160 million individuals, primarily serving clients in the business intelligence sector such as investment firms and venture capitalists. Users can access a vast and constantly updated database through a subscription service, which includes features like hyper-specific searches, alerts for actionable companies, and team network utilization. The platform also supports integration with users' systems via a Chrome extension and an API, enhancing workflow efficiency. A notable feature is the bulk import option, allowing clients to manage large data volumes effectively. Harmonic.ai aims to empower businesses and investors to make informed decisions by leveraging comprehensive data and advanced search capabilities.

San Francisco, CaliforniaHeadquarters

2021Year Founded

$29.2MTotal Funding

SERIES_ACompany Stage

Data & Analytics, Enterprise Software, Financial ServicesIndustries

51-200Employees

Benefits

Health Insurance

401(k) Company Match

Free Lunch

Company Social Events

Commuter Benefits

Quarterly company-wide offsites

Risks

Increased competition from low-cost platforms like EdgeIn could attract Harmonic's potential customers.

Growing AI security concerns may impact customer trust and regulatory scrutiny for Harmonic.

Ethical and regulatory challenges may arise as Harmonic's AI capabilities expand.

Differentiation

Harmonic offers a comprehensive database of over 20 million companies and 160 million individuals.

The platform provides advanced search capabilities and real-time alerts for actionable opportunities.

Harmonic's bulk import feature allows seamless integration with clients' data warehouses.

Upsides

Harmonic raised $75M to develop AI with superior mathematical capabilities, enhancing its platform.

The rise in AI-driven business intelligence tools increases demand for Harmonic's services.

Harmonic's text-based search tool aligns with the need for sophisticated data querying.

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