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. Junior saves clients an average of 10 hours per week, and we're expanding fast into new verticals including investment banking, hedge funds, and research firms.
You can read more about the company mission & values here.
š” Role DescriptionAs 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
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
Build a mobile app from scratch in 3 weeks
Create segmented knowledge graphs built on top of the output of unstructured ā structured data transformations
Build an AI native CRM system with deep links to the knowledge graph above
Weāre looking for product-minded full-stack engineers who:
Are based in NYC and excited to work in person with the team
Love shipping quickly and taking ownership end-to-end
Are 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
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
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! š
Skills Required
- Proficiency in Next.js, TypeScript, and PostgreSQL
- Strong communication skills
- Eager to contribute to product decisions
- Experience building AI-powered products
What We Do
Junior leverages the power of generative AI to help deal teams and their advisors collaborate more effectively, uncover deeper insights, and accelerate their path to output. Our platform is purpose-built for the diligence process, with custom workflows that streamline how teams extract, structure, and analyze information. We deliver: • 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 fast • Quantitative tracking to monitor findings across interviews • Custom GPT-based synthesis that lets you query and summarize expert input at scale By integrating seamlessly into your workflow, Junior transforms raw information into actionable intelligence - quickly, accurately, and securely.
