Founding AI Engineer - London
Description For Founding AI Engineer - London
Saturn is a high-growth B2B fintech startup revolutionizing financial services with AI, aiming to democratize financial access for 1 billion people. As a YC S24 batch company backed by top-tier investors, we're building a game-changing platform for financial peace of mind worldwide.
We're seeking a hands-on AI Engineer to join our dynamic, friendly, close-knit team of 8 people. The role focuses on designing and scaling AI agents, with a particular emphasis on LLM-based solutions. You'll be working directly with the founding team, including CEO Amal Jolly and founders Michael Ettlinger and Rohit Vaish.
The ideal candidate will bring strong expertise in LLM-based agent design, NLP fundamentals, and prompt engineering. You'll be responsible for building and refining AI systems while balancing technical constraints and maintaining high-quality outputs. Our values include pursuing greatness, earning trust, seeking truth, being audacious, and orbiting together as a team.
We offer a competitive package including equity, professional development opportunities, and wellness benefits. For the right candidate, we provide visa sponsorship. This is an opportunity to join an early-stage startup with significant potential impact in the financial services sector, working with cutting-edge AI technology to solve meaningful problems.
Responsibilities For Founding AI Engineer - London
- 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)
- 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
Requirements For Founding AI Engineer - London
- 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
- Strong Python back-end skills for data-intensive systems and data processing
- Ability to balance token limits, cost, and speed while producing structured outputs
Benefits For Founding AI Engineer - London
- 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
- Visa sponsorship available for India or US candidates
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