Backend Engineer

Responsibilities

• Architect and scale backend systems supporting high-throughput LLM interactions, vector search, and multi-agent orchestration
• Stitch together AI infrastructure across model providers, data stores, and internal APIs
• Own system reliability and observability, evolving database and job orchestration systems
• Prototype new backend capabilities including retrieval pipelines, caching layers, and async task queues
• Contribute to product decisions and help shape the engineering culture

Requirements

• Based in NYC (this is a 5 days a week in-person role)
• Proficient in TypeScript and Next.js
• Proficient in PostgreSQL
• Experience leading technical projects end-to-end
• Product-minded approach with an interest in AI infrastructure and systems design

Preferred Qualifications

• Experience with retrieval, embeddings, or prompt orchestration
• Experience building internal infrastructure or developer tools at startups

Benefits

• Competitive pay and equity
• Private healthcare
• Gym membership
• In-office cook
• Opportunities to work from Greece during the summer

About the Company

Junior builds cutting-edge LLM-powered workflow tools to supercharge investment research for private market investors. Our clients include most of the global top 10 private equity and consulting firms. We are a profitable, bootstrapped company with a growing global team.