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- Tasks: Build and enhance AI agents, pushing the limits of what's possible with LLMs.
- Company: Capsa AI, a fast-growing startup transforming private equity with innovative AI solutions.
- Benefits: Private healthcare, remote work options, and a budget for your home office setup.
- Why this job: Join a dynamic team and shape the future of AI in private equity.
- Qualifications: 4+ years in software engineering with AI/ML experience; strong Python skills required.
- Other info: Fast-paced environment with opportunities for rapid career growth and direct impact.
The predicted salary is between 36000 - 60000 £ per year.
Capsa is an AI platform that accelerates due diligence and deepens insights for Private Equity funds. We are hiring Staff / Senior AI Engineers who are comfortable building and improving our AI agents and pushing the boundaries of what's possible with LLMs.
Role: AI Engineer
Location: London, UK (Hybrid, In-Person 4 days a week)
Experience: 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 AI engineer at Capsa is expected to own projects and features from conception to production, focusing on our core AI capabilities and agent infrastructure.
Key responsibilities include:
- Improving our agent's capabilities - design and implement new features that endow our agent with human-level investment expertise.
- Designing and optimising prompts, agent architectures, and reasoning chains to maximise output quality and reliability.
- Evaluating and integrating new models, techniques, and research to keep our AI capabilities at the cutting edge.
- 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!
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 with significant exposure to AI/ML systems 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, LLMs (OpenAI, Anthropic, open-source models), agent frameworks, RAG pipelines, vector databases, FastAPI, Postgres, ElasticSearch.
- 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.
Senior / Staff AI Engineer in London employer: Cornerstone VC
Contact Detail:
Cornerstone VC Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior / Staff AI Engineer in London
✨Tip Number 1
Network like a pro! Reach out to current employees at Capsa on LinkedIn or other platforms. Ask them about their experiences and share your passion for AI. This can give you insider info and might just get your foot in the door.
✨Tip Number 2
Show off your skills! Prepare a portfolio of projects that highlight your experience with AI/ML systems. If you've built anything related to LLMs or agent frameworks, make sure to showcase it. We love seeing what you can do!
✨Tip Number 3
Get ready for the interview! Research Capsa’s recent projects and think about how your skills can contribute. Be prepared to discuss how you’ve taken products from ideation to production and the impact they had. We want to see your problem-solving skills in action!
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows us you’re genuinely interested in being part of our mission to transform private capital firms with AI.
We think you need these skills to ace Senior / Staff AI Engineer in London
Some tips for your application 🫡
Show Your Passion for AI: When writing your application, let your enthusiasm for AI shine through! We want to see how your experience aligns with our mission at Capsa and how you can contribute to pushing the boundaries of what's possible with LLMs.
Tailor Your CV and Cover Letter: Make sure to customise your CV and cover letter for the Senior/Staff AI Engineer role. Highlight relevant projects and experiences that demonstrate your ability to take products from ideation to production, especially in AI/ML systems.
Be Clear and Concise: Keep your application clear and to the point. Use straightforward language to describe your skills and experiences, making it easy for us to see why you're a great fit for the role without wading through unnecessary fluff.
Apply Through Our Website: We encourage you to apply directly through our website. This helps us streamline the process and ensures your application gets the attention it deserves. Plus, it’s super easy!
How to prepare for a job interview at Cornerstone VC
✨Know Your AI Stuff
Make sure you brush up on your knowledge of AI/ML systems, especially LLMs and agent frameworks. Be ready to discuss specific projects you've worked on, the technologies you used, and the impact they had. This will show that you’re not just familiar with the concepts but have hands-on experience.
✨Showcase Your Problem-Solving Skills
Prepare to talk about how you've tackled complex problems in previous roles. Capsa is looking for someone who can dive deep into issues and deliver real value. Think of examples where you designed or optimised features that improved performance or user experience.
✨Understand Capsa's Mission
Familiarise yourself with Capsa's goals and the private equity landscape. Being able to articulate how your skills align with their mission to transform due diligence will demonstrate your genuine interest in the role and the company.
✨Be Ready for a Fast-Paced Environment
Since Capsa is a startup, they want someone who thrives under pressure. Prepare to discuss how you've managed tight deadlines or adapted to rapid changes in previous jobs. Highlight your ability to maintain high code quality while working quickly.
