Jobs · Engineering · New York

Senior Full Stack Engineer

Junior · New York, NY · 3 wk ago
On-siteEngineeringFull-time

About Junior

We're building cutting-edge LLM-powered tools that supercharge investment research for the world's most demanding deal teams. Our clients include several of the top 10 global private equity firms, Big 4 professional services firms, and leading consulting practices: organisations responsible for deploying billions of dollars annually. We're a profitable, bootstrapped company with a growing team of ~28 people based in London and New York. We 10x'd our revenue in 2025 and are on track to grow 2-3x again this year.

Role Description

As one of our first engineering hires, you'll have the unique opportunity to:

  • Ship quickly
  • Design and build new modes of working with computers
  • Work on groundbreaking projects involving LLMs
  • Collaborate closely with our external partners to fuel our growth
  • Contribute to product decisions, direction and prioritization
  • Shape our engineering culture

Sample set of projects

  • Build new frontier products at Junior to ingest more types of research inputs
  • Build a voice-to-voice survey tool with extremely low latency that can autonomously conduct high volume of research tasks
  • Create a mobile app from scratch in 3 weeks
  • Build segmented knowledge graphs built on top of the output of unstructured ⇒ structured data transformations
  • Create an AI native CRM system with deep links to the knowledge graph above

About You

We're looking for product-minded full-stack engineers who:

  • Are based in NYC
  • Are eager to contribute to product decisions
  • Have strong communication skills and a desire for a client-facing role
  • Are proficient in our tech stack: Next.js, TypeScript, PostgreSQL
  • Have experience building & designing AI-powered products (bonus points)

Bonus

If you're excited about the opportunity to drive innovation at Junior, we'd love to hear from you!

We can't wait to meet you!

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