Capsa AI - Senior Backend Engineer

London, England, United Kingdom - Hybrid+ Equity7mo ago

In Office Senior EMEA Artificial Intelligence Backend Engineer Senior Backend Developer Documentation ARR Due Diligence Harness Python

Requirements

• Visa: Unfortunately, we don't sponsor visas yet. You must have the right to work in the UK. • At Capsa, we’re on a mission to transform how private capital firms source, analyse, and win deals. Our AI operating system accelerates due diligence, unlocks deeper insights, and helps funds focus on what matters — creating value. • We’re lean, ambitious, and obsessed with building a category-defining company. In just 12 months, we’ve grown ARR by 15x, achieved product–market fit with leading multi-billion-dollar PE firms, and expanded across the US, UK, and Europe. Backed by top VCs and senior PE execs from Warburg Pincus, KKR, and Goldman Sachs, we’re just getting started.

Responsibilities

• Improving our agent's capabilities - design and implement new features that endow our agent with human-level investment expertise. • Building scalable data pipelines - design and implement systems that ingest, process, and index large volumes of documents and financial data. • Developing robust APIs and services - create performant, reliable backend services that power our platform. • Improving connectivity - integrate and incorporate additional data sources into our agent loop, increasing the depth and breadth of the analyses that can be performed. • Maintaining high code quality - uphold rigorous standards across our codebase, ensuring tech debt doesn't impede our velocity. • Recent projects include: • Agentic assistant with a finance-focused toolkit and advanced document authoring features • Scalable document ingestion and indexing pipeline • In-house, streaming-first agent framework • AI-assisted document editor • As an early stage startup, working at Capsa will be hard work, it will be messy and at times it will be stressful. However, you will: • Work directly with our founding team. • Participate in the upside of an ultra-growth venture. • Shape the company's vision and will have a direct impact on its success.

Benefits

• Alongside the core role and growth opportunity, we also offer: • Private healthcare insurance. • One month per year remote working. • Budget for setting up your Home-Office. • Generous referral scheme (£10k per hired referral).