Backend Engineer

MyJunior AI • New York City, NY

7d • Onsite

About The Position

We’re building cutting-edge LLM-powered tools to supercharge the investment research process for private market investors. Our clients include several of the world’s top 10 private equity and consulting firms, and are responsible for investing billions of dollars annually. We’re a profitable, bootstrapped company with a growing team of 24 based in London and NYC. You can read more about the company mission & values here . 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. As one of our first engineering hires, 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

Requirements

• 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

Nice To Haves

• Retrieval/embeddings/prompt orchestration
• Built internal infrastructure / dev tools @ startups

Responsibilities

• 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

Benefits

• All the usual benefits (competitive pay and equity, private healthcare etc)
• Gym membership
• In-office cook
• Summers working in Greece by the beach

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level
• Education Level: No Education Listed