End-to-End AI Engineer – ML & GenAI in Finance

Aviva; Greater London; On-site; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Flexible working

Hybrid work model

Job summary

Aviva is seeking an experienced AI Engineer to design, build, deploy and operate AI solutions that deliver measurable business value across the company. This hands-on role owns the full AI lifecycle—from problem framing to production deployment and ongoing optimization.

You will work across traditional ML and generative AI, collaborating with software and data engineers, product stakeholders and governance teams to ensure reliable, cost-efficient, and compliant solutions within a regulated

Qualifications

• Proven commercial experience as an AI Engineer, ML Engineer or similar.
• Strong AI engineering capability across traditional ML and generative AI.
• Experience taking AI/ML solutions from development through to production.
• Strong Python and software engineering skills, with production-quality code.
• Experience deploying AI/ML solutions into production environments.
• Experience with model development, training, evaluation, deployment and monitoring.
• Experience with feature engineering, training and evaluation pipelines.
• Experience with LLM-powered applications, including prompt engineering and retrieval strategies.
• Ability to assess business problems and select appropriate AI approaches (traditional ML, GenAI or both).
• Experience with cloud-based AI platforms and MLOps/LLMOps practices.
• Monitoring live AI/ML systems and driving improvements using production data.
• Understanding of model evaluation for quality, safety and production readiness.
• Experience applying responsible AI practices, bias testing, guardrails, data protection.
• Understanding deployment challenges in regulated environments.
• Ability to identify technical, model and governance risks and escalate as needed.
• Experience collaborating with software engineers, data engineers, product teams and stakeholders.
• Strong documentation for governance artefacts and audit readiness.
• Comfortable participating in design, architecture, code reviews and engineering forums.
• Strong analytical and problem-solving skills, with validation of data assumptions.

Responsibilities

• Own end-to-end AI lifecycle from problem framing to production deployment and optimization.
• Design, build, deploy and operate AI solutions delivering measurable business value.
• Work across traditional ML and generative AI, selecting the right approach for each use case.
• Collaborate with software engineers, data engineers and product stakeholders to bring AI into production.
• Ensure solutions are reliable, cost-efficient and responsibly engineered within a regulated financial services environment.

Skills

AI Engineer

Python

ML pipelines

LLM development

MLOps

Prompt engineering

Cloud platforms

Model deployment

Production-grade code

Evaluation & monitoring

Responsible AI

Data governance

Stakeholder communication

Audit documentation

Education

Degree in CS/Engineering/Math

Cloud/AI certifications

Tools

TensorFlow

PyTorch

MLflow

Docker

Kubernetes

Job description

Aviva is seeking an experienced AI Engineer to design, build, deploy and operate AI solutions that deliver measurable business value across the company. This hands-on role owns the full AI lifecycle—from problem framing to production deployment and ongoing optimization.

You will work across traditional ML and generative AI, collaborating with software and data engineers, product stakeholders and governance teams to ensure reliable, cost-efficient, and compliant solutions within a regulated