At a Glance
- Tasks: Build and enhance AI agents, pushing the limits of what's possible with LLMs.
- Company: Capsa is a fast-growing AI platform transforming private equity insights.
- Benefits: Competitive salary, hybrid work model, and rapid career growth opportunities.
- Other info: Work closely with founders in a dynamic startup environment.
- Why this job: Join a mission-driven team and make a real impact in the AI space.
- Qualifications: 4+ years in software engineering with AI/ML experience required.
The predicted salary is between 70000 - 90000 € 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.
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 15×, 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
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.
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.
Alongside the core role and growth opportunity, we also offer:
Senior / Staff AI Engineer in London employer: Capsa AI
Capsa is an exceptional employer for Senior AI Engineers, offering a dynamic and innovative work environment in the heart of London. With a strong focus on employee growth, you will have the opportunity to work closely with the founding team, directly influencing the company's vision and success while enjoying the benefits of being part of a rapidly growing startup. Our hybrid work model promotes a healthy work-life balance, and the chance to shape cutting-edge AI solutions ensures that your contributions are both meaningful and rewarding.
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 folks in the industry, especially those at Capsa or similar companies. A friendly chat can sometimes lead to opportunities that aren’t even advertised.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your AI projects, especially those involving LLMs and agent frameworks. This will give you an edge and demonstrate your hands-on experience.
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge and problem-solving skills. Be ready to discuss your past projects and how you’ve tackled challenges in AI engineering.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people at Capsa. Plus, it shows you’re genuinely interested in joining our team.
We think you need these skills to ace Senior / Staff AI Engineer in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences that align with what we're looking for. Highlight your AI/ML experience and any projects you've led from start to finish. We want to see how you can contribute to our mission at Capsa!
Craft a Compelling Cover Letter:Your cover letter is your chance to show us your personality and passion for AI. Share why you're excited about working with us and how your background makes you a perfect fit for the role. Keep it concise but impactful!
Showcase Relevant Projects:If you've worked on any cool AI projects, make sure to mention them! Whether it's a personal project or something from a previous job, we love seeing real-world applications of your skills. It helps us understand your hands-on experience.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows us you're keen on joining the Capsa team!
How to prepare for a job interview at Capsa AI
✨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 challenges and deliver real value. Think of examples where you designed or improved features that made a significant difference.
✨Understand Capsa's Mission
Familiarise yourself with Capsa’s mission to transform private capital firms. Be ready to discuss how your skills and experiences align with their goals. Showing that you understand their vision will demonstrate your genuine interest in the role.
✨Be Ready for a Fast-Paced Environment
Since Capsa is an early-stage startup, they want someone who thrives under pressure. Prepare examples of how you've successfully managed tight deadlines or adapted to rapid changes in previous jobs. This will highlight your ability to contribute effectively in a dynamic setting.
