Backend Engineer

Junior

β€’ $120K β€” $150K *
Enterprise Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of backend engineering experience
  • Experienced in systems design and data flows
  • Proficient in Next.js, TypeScript, PostgreSQL
  • Experience leading projects from inception to completion
  • Strong product mindset with ability to contribute to decisions
  • Located in NYC for in-person collaboration

Responsibilities

  • Build and scale backend systems for AI research platform
  • Architect high-throughput interactions and orchestration systems
  • Integrate AI infrastructure with various data sources and APIs
  • Ensure the reliability and observability of database systems
  • Prototype backend capabilities to enhance product features
  • Contribute to shaping the engineering culture

Benefits

  • Competitive pay and equity
  • Private healthcare
  • Gym membership
  • In-office cook
  • Unique opportunity for remote summer work in Greece
Full Job Description
Role Description

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.

You'll have the unique opportunity to:
  • Ship quickly
  • Architect and scale backend systems that support high-throughput LLM interactions, vector search, and multi-agent orchestration.
  • Stitch together AI infrastructure across model providers, data stores, and internal APIs to create cohesive, performant systems.
  • Own reliability and observability, helping us evolve our database (Postgres / ClickHouse) and job orchestration systems.
  • Prototype new backend capabilities (retrieval pipelines, caching layers, async task queues) that let us build faster and smarter.
  • Shape our engineering culture
About You

We're looking for product-minded backend engineers who:
  • Based in NYC, ***we are 5 days a week in person
  • Are excited by the intersection of AI infrastructure and systems design
  • Have experience leading projects end-to-end
  • Are eager to contribute to product decisions
  • Are proficient in our tech stack: Next.js, TypeScript, PostgreSQL
  • Feel like you are never building fast enough

Bonus points for experience working on:
  • Retrieval/embeddings/prompt orchestration
  • Built internal infrastructure / dev tools @ startups


🌡 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


πŸ“© How to Apply

If you're excited about the opportunity to drive innovation at Junior, we'd love to hear from you! Email us at [redacted] with your resume and a brief introduction. We can't wait to meet you!

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