Junior
Backend Engineer
5mo ago
USAMiddlepostgresclickhouseai
Backend Engineer role to build and scale AI-driven research platform backend systems with focus on data flows, orchestration, and performance.
Requirements
- We're looking for product-minded backend engineers who:
- 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
- Are eager to contribute to product decisions, not just execute tickets
- Feel like you are never building fast enough
Nice to have
- Billing, payments, usage-based pricing, or financial workflows
- Internal infrastructure / dev tools at startups
- Data pipelines, workflow orchestration, or event-driven systems
- Retrieval, embeddings, or prompt orchestration
Conditions
- 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
Other
- We're building cutting-edge LLM-powered tools that supercharge investment research for the world's most demanding deal teams. Our clients include several of the top 10 global private equity firms, Big 4 professional services firms, and leading consulting practices: organisations responsible for deploying billions of dollars annually.
- We're a profitable, bootstrapped company with a growing team of ~43 people based in London and New York. We 10x'd our revenue in 2025 and are on track to grow 2-3x again this year. Junior saves clients an average of 10 hours per week, and we're expanding fast into new verticals including investment banking, hedge funds, and research firms.
- 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.
- 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