Lead Machine Learning Engineer (London) in Whitehall

We are looking for a Principal Machine Learning or AI Engineer to join the Fitch Group Emerging Technology AI Center of Excellence. The role will be based out of our London or Manchester office and involves building and supporting Generative AI, Machine Learning, Deep Learning and Data Science solutions across the organization.

Responsibilities

• Work closely with product squads to build, integrate, and deploy GenAI, multi‑AI‑Agents and data science solutions.
• Design and spearhead the development of Gen AI, AI Agents and MLOps platforms, applications, and solutions to address business challenges.
• Build standards and recommendations for the AI engineering tech stack and data science models across different enterprise AI use cases.
• Collaborate with AI implementation, governance and enterprise architecture squads to apply appropriate standards.
• Keep abreast of the latest vendors in emerging technologies and participate in vendor evaluations and tool assessments; onboard appropriate solutions into the platform.
• Effectively communicate advanced data science/ML concepts in simple language to business stakeholders.
• Develop and deploy machine learning and GenAI solutions to support experimentation and innovation; collaborate with data scientists to identify innovative solutions.
• Design scalable solutions and GenAI/ML workflows that leverage machine learning, GenAI and deep learning models to meet enterprise requirements.
• Actively participate in maintaining SLAs for production applications and support.
• Create metrics to continuously evaluate performance of machine learning models, testing, source version control, optimization.

Qualifications

• 5+ years of work experience as an ML or AI engineer.
• Strong proficiency in production‑quality Python (and Java optional).
• Deep understanding of agentic AI systems and multi‑agent architectures.
• Proficiency in machine learning and deep learning algorithms including NLP, neural networks, multiclass classification, decision trees, support vector machines.
• Strong adherence to software and ML development fundamentals (code quality, automated testing, CI/CD).
• Experience building Gen AI frameworks and fine‑tuning LLMs.
• Experience with containerization technologies such as Docker, Kubernetes, AWS EKS.
• Knowledge of cloud computing services (AWS Bedrock, S3, SageMaker, Azure OpenAI, Azure AI Search, Azure Blob Storage).
• Master's degree or above in machine learning / data science / computer science / applied mathematics or related research‑based field.
• Prior experience developing production quality Python is essential.

What Makes You Stand Out

• Passionate about the power of data and predictive analytics to drive better business outcomes.
• Proven ability to work effectively in a distributed environment and thrive in fast‑paced settings.
• Familiarity with credit rating agencies, regulations and data products globally.
• Outstanding written and verbal communication skills.
• Champion of good code quality and architectural practices.
• Strong interpersonal skills and ability to work proactively as a team player.

Benefits

This is a high‑impact role with significant visibility. The candidate will work on flagship Fitch products and have opportunities to work in a cutting‑edge field of machine learning and data science. Fitch promotes a work culture with good work‑life balance.

Equal Opportunity & Title

Fitch Group is a proud Equal Opportunity and affirmative action employer. We evaluate qualified applicants without regard to race, color, national origin, religion, sex, sexual orientation, gender identity, disability, protected veteran status, and other statuses protected by law.