Capsa AI
Senior / Staff Fullstack Engineer
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At a Glance
Capsa is an AI platform that accelerates due diligence and deepens insights for Private Equity funds. We are hiring Staff / Senior Fullstack Engineers who are comfortable contributing across all layers of the application and developing features end to end.
Details
Role: Fullstack 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.
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The Role
A senior software engineer at Capsa is expected to own projects and features from conception to production, working across the stack to deliver improvements to 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.
- 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:
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Your very own career expert that helps elevate your application to the next level.
- Work directly with our founding team.
- Participate in the upside of an ultra-growth venture.
- Shape the company's vision and have a direct impact on its success.
- Have the opportunity for fast career growth.
- Enjoy yourself!
Apply if
You’ll likely be a great fit if most of the following describe you:
- You have 4+ years of experience as a software engineer in a venture backed startup or top tech firm.
- You have taken entire products or features from ideation to production and you've measured their impact.
- You have experience with the following technologies (or similar): Python, FastAPI, Postgres, ElasticSearch, RabbitMQ, LLMs, Typescript, React
- You enjoy diving deep into the domain, understanding the problem, and focusing on delivering value to the customer.
- You thrive in a fast paced environment.
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.
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