Senior / Staff Backend Engineer

Cornerstone VC; Greater London; Hybrid; GBP 90.000 - 130.000; Vollzeit

Benefits dieser Stelle

Private healthcare insurance.

One month per year remote working.

Home-office setup budget.

£10k referral scheme

Zusammenfassung

Capsa AI is hiring a Staff / Senior Backend Engineer to own projects from conception to production, building the infrastructure and services that underpin our AI platform. The role is based in London with hybrid work (in-person 4 days a week) and requires 4+ years of experience.

You will design new features for our agent, build scalable data pipelines, and develop robust APIs. Expect a fast-paced startup environment with opportunities for growth and impact.

Qualifikationen

• 4+ years of backend engineering experience.
• Right to work in the UK (visa sponsorship not available).

Aufgaben

• Improve agent capabilities by designing and implementing features for the AI platform.
• Build scalable data pipelines to ingest, process, and index large volumes of documents and financial data.
• Develop robust APIs and backend services powering the platform.
• Improve connectivity by integrating additional data sources into the agent loop.
• Maintain high code quality to manage technical debt and velocity.

Kenntnisse

Backend development

APIs

Data pipelines

Scalable systems

Linux/Cloud

Tools

CI/CD

Jobbeschreibung

At a Glance

Capsa is an AI platform that accelerates due diligence and deepens insights for Private Equity funds. We are hiring Staff / Senior Backend Engineers who are comfortable building robust, scalable systems that power our AI platform.

Details:

• Role: Backend Engineer
• Location: London, UK (Hybrid, In-Person 4 days a week)
• Experience: Required: 4+ years
• Visa: Unfortunately, we don't sponsor visas yet. You must have the right to work in the UK.

About Capsa AI

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.

The Role

A senior backend engineer at Capsa is expected to own projects and features from conception to production, building the infrastructure and services that underpin our AI platform.

Key responsibilities include:

• 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.
• Have the opportunity for fast career growth.
• Enjoy yourself!

Additional Perks

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).