Founding AI Engineer
Description For Founding AI Engineer
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. The ideal candidate will have strong expertise in AI/ML, particularly in LLM-based agent design, NLP fundamentals, and prompt engineering.
The position offers a competitive package of £80K - £120K GBP plus equity (0.25% - 0.50%), along with various benefits including professional development opportunities and wellness perks. We value team members who pursue greatness, earn trust, seek truth, are audacious, and collaborate effectively.
This is an excellent opportunity for an experienced AI engineer looking to make a significant impact in the fintech space, working directly with founders and having substantial autonomy in their work. The role combines technical challenges in AI with the excitement of working at a fast-growing startup that's tackling meaningful problems in financial services.
Responsibilities For Founding AI Engineer
- 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
- 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
- 3+ years of experience
Benefits For Founding AI Engineer
- 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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