Demo

Javascript Developer

Mentor Talent Acquisition
York, NY Full Time
POSTED ON 1/11/2026
AVAILABLE BEFORE 8/13/2026

This is an opportunity to join a profitable, early-stage company building LLM-powered tools that transform how private market investors conduct research. The platform is used by top-tier private equity and consulting firms responsible for investing billions of dollars annually.



Role Description

As one of the first engineering hires you will have significant ownership and influence across both product and engineering.


Key responsibilities include:

  • Shipping quickly and iterating based on real user feedback
  • Designing and building new ways for users to interact with computers
  • Working on production-grade LLM-powered systems
  • Collaborating closely with external partners and end users
  • Contributing to product decisions, prioritization, and technical direction
  • Helping shape engineering culture and best practices


Sample Projects

  • Building new products to ingest and process diverse research inputs
  • Developing a low-latency voice-to-voice survey system capable of autonomous, high-volume research
  • Building a mobile application from scratch in a short timeframe
  • Creating segmented knowledge graphs from unstructured → structured data
  • Developing an AI-native CRM system integrated with internal knowledge systems


About the Ideal Candidate

The ideal candidate is a product-minded Software Engineer who:

  • Is based in NYC and open to working onsite 5 days/week
  • Has experience leading projects end-to-end
  • Enjoys contributing to product decisions and user experience
  • Communicates clearly and is comfortable in client-facing contexts
  • Is proficient with Next.js, TypeScript, and PostgreSQL
  • Moves fast and thrives in a high-ownership environment


Bonus experience:

  • Building or designing AI-powered products
  • Working in early-stage or high-growth startup environments

Salary.com Estimation for Javascript Developer in York, NY
$90,625 to $116,064
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