AI Prototyping and Development Principal
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The Role
We are seeking a high-caliber individual to join our early-stage Product team as AI Prototyping and Development Principal. In this foundational role, you will work directly with the co-founders, Jorge Cárdenas Prieto and Lennart Baumgärtner, helping shape and execute Vallorii’s product vision.
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This is a high-ownership role where you will define your own workstreams drive innovation, and translate technical capabilities into strategic impact. As Vallorii scales, your role will naturally evolve into a core leadership role.
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Key Responsibilities
1. AI Development and Prototyping
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Rapidly design, build, and iterate machine learning models and generative AI features aligned with Vallorii’s infrastructure valuation platform.
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Translate traditional and advanced financial models (e.g., CAPM, multifactor models, real-option theory, reinforcement learning) into user-facing prototypes and tools.
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Collaborate with developers and UI/UX designers to integrate AI models into a scalable and user-friendly product.
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2. Strategic Product Execution
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Support the refinement of Vallorii’s product vision and ensure alignment with the company’s mission and user feedback.
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Maintain a proactive understanding of trends in LLMs, NLP, and ML to ensure our toolset remains state-of-the-art and practically impactful.
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Advise on AI architecture to ensure robustness, transparency, and compliance with regulatory standards.
3. Cross-Functional Collaboration
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Work closely with Research and Advisory colleagues to translate client needs and research insights into intelligent product features.
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Cooperate effectively with peers across units, fostering an environment of transparency and collaborative problem-solving.
4. Ownership and Value Creation
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Operate with high autonomy, defining your own workstreams and priorities based on strategic objectives.
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Focus on value generation and tangible outcomes that support Vallorii’s early-stage growth and product-market fit.
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Skills & Experience
Required
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A postgraduate degree (Master’s or PhD) in a relevant discipline such as Computer Science, Machine Learning, Financial Engineering, Applied Mathematics, or Econometrics.
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3+ years of experience in AI/ML prototyping, particularly in startups, consultancy, or product-heavy environments.
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Strong track record in building real-world AI applications, ideally using LLMs, NLP, or decision intelligence frameworks.
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Proficiency in Python and SQL; familiarity with API-based data integration
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Exceptional analytical skills and the ability to balance strategic objectives with technical execution.
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Demonstrated ability to self-direct, take full ownership of complex tasks, and drive them to completion.
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Desirable
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Deep understanding of infrastructure finance, cost of capital modeling, or regulatory economics is desirable but not essential.
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Experience in advisory, consultancy, or early-stage product environments.
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Familiarity with cloud services (e.g., AWS, Azure) and MLOps best practices, and HTML or Typescript for prototyping is a plus.
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An understanding of ESG integration, regulatory impact modeling, or economic scenario planning.
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Working Conditions
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Employment Type: Full-time
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Location: Oxford (Hybrid working within the UK is supported)
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Interested?
Send your application directly to jorge.cardenas@vallorii.com or feel free to ask any questions related to this position to any of our Co-Founders
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