Startups · AI

Backend Engineer

Junior AI · New York City · On-site

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About Junior AI

Junior delivers industry-leading transcription and dynamic knowledge graphs for investors, advisors, and consultants. SOC 2 Type II certified, built for compliance, and trusted by top firms to save time, surface insights, and power billion-dollar deals. Backed by South Park Commons.

About the role

As a Backend Engineer , you’ll help build and scale the systems that power our AI-driven research platform. This is a systems-level role - ideal for engineers who love thinking about data flows, orchestration, and performance across complex distributed systems. If you're excited about the opportunity to drive innovation at Junior, we'd love to hear from you! Email us at careers@myjunior.ai with your resume and a brief introduction. We can't wait to meet you! 🙌

What they're looking for

  • Are based in NYC and excited to work 5 days a week in person
  • Are excited by the intersection of AI infrastructure, financial systems, and backend engineering
  • Have experience owning backend projects end-to-end — from architecture through to production
  • Are strong in Python and TypeScript
  • Have worked with PostgreSQL and care about data modelling, reliability, and system design
  • Are comfortable building APIs, internal tools, workflows, and infrastructure that support real customers
More about this role

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

Bootstrapped and profitable

$25M+ in revenue after growing 10x last year

60+ people across the company

23-person engineering team, growing to 40+ this year

Core stack: TypeScript, Next.js and PostgreSQL

You’d be joining early enough to shape the product, engineering culture and company, but with enough traction that everything you build lands immediately in front of demanding, paying customers.

As a Backend Engineer , you’ll help build and scale the systems that power our AI-driven research platform. This is a systems-level role - ideal for engineers who love thinking about data flows, orchestration, and performance across complex distributed systems.

Ship quickly

Architect and scale backend systems that support high-throughput LLM interactions, vector search,...

Read the full posting on Junior AI's site ↗

Engineering

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