Lead Data Scientist

Salary between £40,000 - £67,000

You’re not just a Data Scientist. You’re a problem solver! If you flourish with complex, non-routine problems, this is the place you will feel right at home. We are currently recruiting for a Lead Data Scientist to be a part of our innovative Data Science team, working with our claims operation to shape the future of claims service with the deployment of cutting-edge analytics

A bit about the job:

The UK team is recognised as a centre of excellence in our Global Data Science Practice. You’ll work with one of the richest insurance datasets in the world, applying sophisticated techniques and technology to all stages of the data science process.  Aviva are investing in data science, machine learning and advanced analytics as a distinctive capability. As the Lead Data Scientist, you’ll help the team to extract, prepare data, build and deploy models

• Driving Innovation: use your research skills to creatively solve the most impactful business problems with the appropriate tools and technology.

• Deploying solutions: use your experience in delivering machine learning systems to ensure that new insights are turned into real business value.

• Leveraging your expertise: as a lead data scientist you’ll support, train and collaborate with both the wider data science team and non-technical stakeholders.

Skills and experience we’re looking for:

• You will have a track record of solving complex problems using data science; with expertise in some of the following areas: Statistics, Machine Learning, & AI

• Data Science fundamentals e.g. ability to:

• Work with Data Processing and Data Science pipeline frameworks (Pandas/pyspark)

• Carry out EDA (Exploratory Data Analysis) to confirm / infirm hypotheses

• Build features (leveraging available tools / languages python (pyspark or pandas))

• Class imbalances, hyperparam tuning, multicollinearity, linear vs non-linear modelling, feature selection

• Apply and interpret explainability (ExplainableAI - XAI) methods (SHAP, feature importance, partial dependence plots)

• Model performance evaluation

• Machine Learning e.g., expertise in a specific area of ML algorithms/technology/pipeline engineering and good at programming language e.g., fluency in Python (linting, unit tests, integration tests, git flow/pull request process, object-oriented development, data validation, algorithms and data structures, technical troubleshooting and debugging)

• Ability to work collaboratively with other team members and areas of the business, empowering them to learn and deliver new ways of working 

What you’ll get for this role:

• Salary between £40,000 - £67,000 depending on location, skills, experience, and qualifications)

• Generous pension (starting level Aviva contributes 8% when you contribute 2%)

• Eligibility for annual performance bonus

• Family friendly parental and carer’s leave

• 29 days holiday per year plus bank holidays and the option to buy/sell up to 5 additional days

• Up to 40% discount for Aviva products

• Brilliant flexible benefits including electric cars

• Aviva Matching Share Plan and Save As You Earn scheme

• 21 volunteering hours per year