Full Stack Engineer

Junior is building the AI operating system for investment research.

Our software helps private equity firms, consultants, and financial institutions complete high-stakes research workflows dramatically faster - from diligence and memo writing to market mapping, research synthesis, and strategic analysis.

We’re already trusted by several of the world’s top private equity firms, Big 4 consultancies, and leading financial institutions.

We’re profitable, bootstrapped, and grew 10x in 2025 to over $10M in revenue.

Now we’re scaling aggressively into new markets - and to do that well, we need better data.

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

• 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 ⇒ structured data transformations

• Build an AI native CRM system with deep links to the knowledge graph above

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