Full Stack Engineer

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 ~43 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

• Are based in NYC and excited to work in person with the team
• Love shipping quickly and taking ownership end-to-end
• Eager to contribute to product decisions, not just execute tickets
• Have strong communication skills and enjoy working close to customers
• Are proficient in our tech stack: Next.js, TypeScript, and PostgreSQL
• Are excited about building AI-powered products from the ground up
• Feel like they are never building fast enough

Bonus Points For Experience

• With LLM-powered products
• Retrieval, embeddings, or prompt orchestration
• Knowledge graphs or structured data extraction
• Fast-moving startup environments

Benefits

• All the usual benefits (competitive pay and equity, private healthcare etc.)
• Unusual benefits: Gym membership, In-office cook, Summers working in Greece by the beach