Demo

Full Stack Engineer

Mentor Talent Acquisition
York, NY Full Time
POSTED ON 12/15/2025
AVAILABLE BEFORE 1/14/2026

We are on the lookout for a Junior Full Stack Engineer to join a fast-growing, profitable technology company building LLM-powered tools for private market investment research.


About the Company

The company develops advanced AI-driven solutions used by several of the world’s top private equity and consulting firms, supporting investment decisions involving billions of dollars annually. It operates as a bootstrapped organization with a lean, high-impact engineering team based in London and NYC.


Role Description

This role offers the opportunity to join as one of the first engineering hires, with significant ownership and influence. Key responsibilities include:

  • Shipping features quickly in a fast-paced environment
  • Designing and building new ways of interacting with computers
  • Contributing to cutting-edge LLM-based products
  • Collaborating closely with external partners
  • Participating in product direction, prioritization, and technical decisions
  • Helping shape the engineering culture from an early stage


Example Projects

  • Building frontier AI products to ingest multiple research input formats
  • Developing a low-latency voice-to-voice survey tool capable of autonomously handling high-volume research tasks
  • Building a mobile application from scratch in approximately three weeks
  • Creating segmented knowledge graphs from unstructured to structured data
  • Developing an AI-native CRM system deeply integrated with the knowledge graph


The ideal candidate:

  • Is based in NYC
  • Has a product-oriented mindset and enjoys contributing to decisions
  • Possesses strong communication skills and is comfortable in a client-facing context
  • Is proficient in Next.js, TypeScript, and PostgreSQL
  • Has bonus experience building or designing AI-powered products
  • Thrives in fast-moving environments and enjoys building at speed


Benefits

  • Competitive compensation and equity
  • Private healthcare
  • Gym membership
  • In-office cook

Salary.com Estimation for Full Stack Engineer in York, NY
$81,730 to $101,195
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