---
title: 'Lead Applied AI Engineer at Junior AI'
canonical: 'https://feeny.ai/job/lead-applied-ai-engineer-junior-ai-new-york-71a9v71tqb9j'
type: 'job'
last_seen: '2026-10-12'
---

# Lead Applied AI Engineer at Junior AI

- **Company:** Junior AI
- **Location:** New York, NY
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2025-07-31
- **Last confirmed live:** 2026-10-12
- **Apply:** https://jobs.ashbyhq.com/junior/4071f5cf-2a26-4bd0-b56b-f787a1f3ed04/application

**Skills:** LLM systems, Machine Learning, NLP, PostgreSQL, Prompt optimization, Agentic infrastructure, Knowledge graphs, Entity resolution

> As one of the first AI/ML hires, you will build LLM-powered tools for investment research, including search ranking algorithms, prompt optimization systems, and knowledge graphs. You will collaborate with external partners, shape engineering culture, and drive product decisions in a client-facing role.

## Job description

👶 About Junior Junior is building the AI operating system for investment research. Our software helps private equity firms, consultants and financial institutions complete high-stakes research workflows dramatically faster - from diligence and memo writing to market mapping, research synthesis and strategic analysis. We’re trusted by 20/30 Top Global PE Funds by AUM & 18/20 Top Global Strategy Consultants

- Bootstrapped and profitable
- $25M+ in revenue after growing 10x last year
- 70+ people across the company
- 25-person engineering team
- Join as our third Applied AI hire!

💡 Role Description As one of our first AI/ML hires, you'll have the unique opportunity to:

- Move quickly from research to production
- Freedom to experiment with new approaches and stay current with the latest research.
- Raise the quality bar for AI systems used by the world’s leading PE/Consulting firms.
- Collaborate closely with our customers and shape the product direction

Sample set of projects

- State-of-the-art transcription using ensembles of frontier models.
- Voice agent for market research interviews that identifies gaps, knows where to probe, and develops new hypotheses.
- Self-improving AI systems where product usage feeds back into evaluations and optimization.
- Agentic entity-resolution system that combines in-app and web context to resolve mistranscribed company names and aliases

🔥 About You We're looking for product-minded AI/ML engineers who:

- Based in NYC
- Are opinionated about their work and eager to contribute to product decisions
- Have strong communication skills and a desire for a client-facing role
- Are able to break down AI/ML problems for a non-technical audience clearly and succinctly, and translate their suggestions into testable experiments.
- Have experience building LLM systems from the ground up in a product-focused organization, and can help drive everything from data gathering / logging → prompt optimizing
- Have a strong bias to action, highly organised and experienced working with senior stakeholders to deliver large projects end to end
- Excited to build a team

🌵 Benefits

- Private health insurance
- Equinox gym membership
- 401k match
- Dinner provided when working late
- Team lunch provided every day at the office
- Bi-annual international off-sites, recently including Crete and Cancún

📩 How to Apply If you’re excited to drive innovation at Junior, we’d love to hear from you!

## About Junior AI

## Company Overview
- **One-liner**: Junior AI provides voice intelligence and AI-powered analysis for M&A teams, turning expert call transcripts into structured, searchable knowledge.
- **Entity Type**: Private (Seed stage, based on "seed to Series A" language on careers page)
- **Headquarters**: New York City, New York, USA
- **Founded**: 2023
- **Founders**: Not publicly disclosed

## Core Business
- Primary industry/industries: AI-powered software for investment research, M&A diligence, and private equity workflows
- Target customers: B2B – investment professionals, private equity firms, corporate development teams, investment banks, management consultants (MBB, Big 4, MegaCap PE Funds, global investment banks)
- Mission or purpose statement: "Using AI to streamline investment research" (from about page)

## Products & Services
- **Junior Platform**: Voice intelligence platform that records, transcribes, and analyzes expert calls, diligence interviews, and pipeline discussions. Includes:
  - Best-in-class transcription with structured extraction of expert call insights
  - Instant key takeaways automatically generated after each call
  - Intelligent search across transcripts to pinpoint relevant insights
  - Quantitative tracking to monitor findings across interviews
  - Custom GPT-based synthesis for querying and summarizing expert input
- **Alexandria**: A custom conversational library that centralizes all notes, searchable by deal, sector, or attendees.
- **Compliance Tools**: Real-time compliance oversight, programmatic MNPI detection, zero data retention agreements with underlying model providers, data retention controls, secure data hosting.
- **Integrations**: Calendar (Outlook/Gmail), recording bot for Zoom/Teams/GMeet/Webex, direct pipelines from leading expert networks, APIs for data export.

## Market Standing
- **Valuation/Market Cap**: Not publicly available
- **Key Metric**: 30% month-over-month growth (from careers page); "trusted by thousands of consultants, investors, and bankers"
- **Notable Investors/Partners**: Not publicly disclosed
- **Growth Signals**:
  - 30% MoM growth
  - 24 team members (per careers page; Built In lists 111 total employees – conflicting reports, likely reflecting different timeframes)
  - "Seed to Series A" trajectory over 18 months
  - Expanding product features (e.g., "Every data source" coming soon)

## Competitive Advantages
- **AI-native for M&A**: Custom NER engine trained on deal workflows, recognizing entities that matter to investors and advisors.
- **Enterprise-grade compliance**: Programmatic MNPI detection, zero data retention with model providers, GDPR-aligned controls, secure hosting on Junior’s infrastructure.
- **Deep integration**: Direct pipelines from leading expert networks, calendar and meeting platform bots, APIs for data warehouse connectivity.
- **Speed and focus**: Small team, weekly deployments, fast iteration – "Speed is our competitive advantage."

## Strategic Focus
- Building the "AI brain for M&A" – turning messy transcripts into actionable intelligence
- Expanding data ingestion methods and source connectivity (recording bot, expert networks, file uploads, manual notes)
- Scaling from seed to Series A while maintaining velocity and customer obsession
- Institutional knowledge capture – reducing rework and increasing IP value

## Why Work Here
- **Culture**: "Small team, big ownership" – end-to-end ownership from conception to deployment; ship meaningful work immediately
- **Values**: Ship Fast, Show Your Work, Open by Default, Customer First, Velocity over Perfection, Meritocracy, Radically Transparent, Own It
- **Work environment**: In-office at NYC headquarters (HQ in New York, all jobs listed as "In-Office" on Built In)
- **Engineering culture**: Weekly deployments, "fix fast", AI-native tech stack, direct customer interaction
- **Perks**: Not explicitly listed, but emphasis on solving real problems, no politics, visible roadmaps and metrics
- **Growth**: 30% MoM growth, seed-stage startup with clear product-market fit, opportunity to shape the company

## Sources
1. [junior.ai](https://junior.ai/)
2. [junior.ai/about](https://junior.ai/about)
3. [junior.ai/careers](https://junior.ai/careers)
4. [jobs.ashbyhq.com/junior](https://jobs.ashbyhq.com/junior)
5. [builtin.com/company/junior](https://builtin.com/company/junior)

## Other roles at Junior AI

- [Head of Engineering](https://feeny.ai/job/head-of-engineering-junior-ai-new-york-em4k4pa2115q) — New York, NY
- [Head of Finance](https://feeny.ai/job/head-of-finance-junior-ai-london-tgyp6752wnq0) — London, United Kingdom
- [Key Account Manager - London](https://feeny.ai/job/key-account-manager-london-junior-ai-london-xdds8e5t7g9g) — London, United Kingdom
- [Key Account Director - London](https://feeny.ai/job/key-account-director-london-junior-ai-london-hcwznzp4dz46) — London, United Kingdom
- [Senior Product Manager](https://feeny.ai/job/senior-product-manager-junior-ai-london-swxyrbbcs2fc) — London, United Kingdom
- [Data Scientist - Commercial Analytics](https://feeny.ai/job/data-scientist-commercial-analytics-junior-ai-london-qxfxspzn1t2q) — London, United Kingdom
- [Senior Full Stack Engineer](https://feeny.ai/job/senior-full-stack-engineer-junior-ai-new-york-5jpvmsgc4gwx) — New York, NY
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- [Senior Product Manager](https://feeny.ai/job/senior-product-manager-junior-ai-new-york-nr7c5338v147) — New York, NY
- [Senior Backend Engineer](https://feeny.ai/job/senior-backend-engineer-junior-ai-new-york-m1aww8ky29p8) — New York, NY