Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Design and scale AI agents, focusing on LLM-based solutions and data retrieval systems.
- Company: Join Saturn, a fast-growing fintech startup revolutionising financial services with AI.
- Benefits: Enjoy competitive salary, equity, learning budget, gym access, and bi-annual retreats.
- Why this job: Be part of a dynamic team making a real impact in financial access for billions.
- Qualifications: Proficiency in AI frameworks, NLP, prompt engineering, and strong Python skills required.
- Other info: Visa sponsorship available for candidates from India or the US.
The predicted salary is between 43200 - 72000 £ per year.
We’re a high-growth B2B fintech startup revolutionising financial services with AI. Imagine Harvey AI for Financial Services – our mission is to democratise financial access for 1 billion people.
About the Role
We’re looking for a hands-on AI Engineer, super passionate about AI engineering, to design and scale AI agents. Join our dynamic, friendly, close-knit team to build impactful LLM-powered solutions at speed.
Responsibilities
- Build and refine LLM-based agents, focusing on retrieval-augmented generation and data retrieval systems
- Develop robust AI evaluation frameworks, metrics, and methodologies
- Demonstrate NLP fundamentals (tokenisation, embeddings, LLM understanding)
- Practise prompt engineering (few-shot, role-based, …), continuously testing and optimising prompts with tools like Weave or Laminar
- Balance constraints (token limits, cost, speed) while maintaining clear, structured outputs
- Apply back-end expertise for data-intensive applications, writing clean, modular Python code and performing quick data processing
What Values We’re Looking For and what you can expect the Saturn team to be:
- Pursue Greatness: Strive for excellence in everything you do, iterating, learning, growing, and embracing discipline to drive progress.
- Earn Trust: Build strong relationships through integrity, transparency, and delivering on your promises.
- Seek Truth: Be data-driven, curious, and unafraid to challenge assumptions in pursuit of the best solutions.
- Be Audacious: Dream big, take ownership, take calculated risks, and push boundaries to create meaningful progress.
- Orbit Together: Collaborate with a shared mission, knowing collective success drives greater outcomes.
Technical Must-Haves
- LLM-based agent design with retrieval-augmented generation
- Proficiency in AI evaluation frameworks, NLP fundamentals (tokenisation, embeddings, LLM architecture), and bias handling
- Prompt engineering with systematic experimentation (tools like Weave or Langsmith)
- Strong Python back-end skills for data-intensive systems and data processing
- Ability to balance token limits, cost, and speed while producing structured outputs
What We Offer
- Competitive salary and meaningful early-stage equity
- Autonomy and ownership in your work
- Budget for learning and professional growth
- Access to world-class gym and wellness
- Bi-annual team retreats
- We can also sponsor a visa if you are from India or US.
About Us
We’re Saturn, the fast-growing B2B startup (top in S24 batch) and are backed by top-tier investors. We’re building a game-changing platform to bring financial peace of mind to billions worldwide.
Founding AI Engineer - London employer: Saturn
Contact Detail:
Saturn Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Founding AI Engineer - London
✨Tip Number 1
Familiarise yourself with the latest advancements in AI engineering, particularly in LLM-based agent design and retrieval-augmented generation. This will not only enhance your understanding but also allow you to engage in meaningful conversations during interviews.
✨Tip Number 2
Showcase your hands-on experience with prompt engineering and tools like Weave or Laminar. Prepare examples of how you've optimised prompts in past projects, as this will demonstrate your practical skills and problem-solving abilities.
✨Tip Number 3
Connect with current employees or alumni from Saturn on platforms like LinkedIn. Engaging with them can provide insights into the company culture and values, which you can reference in your discussions to show your alignment with their mission.
✨Tip Number 4
Prepare to discuss how you balance constraints such as token limits, cost, and speed in your projects. Being able to articulate your thought process and decision-making will highlight your technical expertise and fit for the role.
We think you need these skills to ace Founding AI Engineer - London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights relevant experience in AI engineering, particularly with LLM-based agents and NLP fundamentals. Use specific examples that demonstrate your skills in prompt engineering and Python programming.
Craft a Compelling Cover Letter: Write a cover letter that reflects your passion for AI and aligns with the company's mission to democratise financial access. Mention how your values resonate with those of Saturn, such as pursuing greatness and seeking truth.
Showcase Your Projects: Include links or descriptions of past projects that showcase your expertise in AI evaluation frameworks and data processing. Highlight any experience with tools like Weave or Laminar, as well as your ability to balance constraints in AI applications.
Prepare for Technical Questions: Anticipate technical questions related to LLM architecture, tokenisation, and prompt engineering. Be ready to discuss your approach to building AI agents and how you handle challenges in data-intensive applications.
How to prepare for a job interview at Saturn
✨Show Your Passion for AI
Make sure to express your enthusiasm for AI engineering during the interview. Share specific projects or experiences that highlight your passion and how they relate to the role at Saturn.
✨Demonstrate Technical Expertise
Be prepared to discuss your experience with LLM-based agents, NLP fundamentals, and prompt engineering. Bring examples of your work and be ready to explain your thought process behind designing AI solutions.
✨Emphasise Collaboration Skills
Since Saturn values teamwork, share instances where you successfully collaborated with others on projects. Highlight how you contributed to collective success and how you can bring that spirit to their team.
✨Prepare Questions About Their Mission
Research Saturn's mission to democratise financial access and prepare thoughtful questions about their goals and challenges. This shows your genuine interest in their vision and how you can contribute to it.
