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Data Scientist - 6 month FTC

Company:
Aztec Group
Location:
Southampton, City of Southampton, United Kingdom
Posted:
December 12, 2025
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Description:

Report to Director of Data

The Aztec Group are seeking an experienced Senior Data Scientist to join our team on a six-month contract. This role will focus on evaluating, optimizing, supporting, and enhancing AI-driven models initially developed by a third-party provider. The successful candidate will also play a key role in knowledge transfer and capability building, helping establish a permanent internal data science function.

Key responsibilities:

Model Evaluation & Optimization

Assess the performance, accuracy, and robustness of existing AI/ML models used within Agentic AI solutions

Identify opportunities for improvement and implement enhancements to ensure scalability and reliability

Model Support & Enhancement

Maintain and refine models to align with evolving business requirements and regulatory standards

Ensure proper documentation and version control of all model updates

Knowledge Transition & Capability Building

Collaborate with internal stakeholders to transfer knowledge from third-party solutions

Develop best practices, frameworks, and documentation to support long-term internal capability

Mentor internal team members and assist in defining the roadmap for a permanent data science function

Stakeholder Engagement

Work closely with Data & Analytics leadership, technology teams, and business units to ensure alignment of AI initiatives with strategic objectives

Communicate complex technical concepts clearly to non-technical stakeholders

Skills, knowledge, expertise:

Technical Expertise

Proven experience in developing, evaluating, and optimizing machine learning models (including LLMs and Agentic AI frameworks)

Strong proficiency in Python and common ML libraries (e.g., TensorFlow, PyTorch, scikit-learn)

Experience with prompt engineering and fine-tuning large language models

Data Engineering & Analytics

Solid understanding of data pipelines, ETL processes, and cloud-based environments (AWS, Azure, or GCP)

Familiarity with data governance, security, and compliance in financial services

Domain Knowledge

Prior experience in financial services or alternative asset management is highly desirable

Soft Skills

Excellent problem-solving and analytical skills

Strong communication and stakeholder management abilities

Ability to work independently and deliver results within tight timelines

You will need to be quick to learn new systems and be great with people, as close working relationships between our colleagues and clients is at the heart of what we do. Beyond that, we will be with you every step of the way, enabling you to get the most out of your role, grow your skills your way, and see your career develop in the way you want. Be part of our talented Technology team and unbox your passion at a multi-award-winning leader in the alternative fund management industry.

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