Full Stack Engineer

Reposted Yesterday
New York City, NY, USA
In-Office
150K-190K Annually
Junior
Artificial Intelligence • Information Technology • Software • Generative AI
The Role
As a Full Stack Engineer, you'll design and build innovative tools, contribute to product decisions, and enhance engineering culture in a startup environment.
Summary Generated by Built In
👶 About Junior

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.

💡 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

  • 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

🔥 About You

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

  • 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

  • Bonus points for experience building & designing AI-powered products!

  • Feel like you are never building fast enough

🌵 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

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! 🙌

Skills Required

  • Proficiency in Next.js, TypeScript, and PostgreSQL
  • Strong communication skills
  • Eager to contribute to product decisions
  • Experience building AI-powered products
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The Company
HQ: New York City, New York
111 Employees
Year Founded: 2023

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.

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