Job Description

We have an exciting opportunity to join our Financial & Data Science Modelling team as an Associate Data Scientist.The Financial & Data Science Modelling team are a close-knit and friendly team based out of our Swindon, Northampton and London offices and this role will involve supporting the ongoing development and maintenance of financial and business machine learning models. At present, these models focus on two development areas: the forecasting of Energy Performance Certificates for use in forecasting metrics for climate change risk; and the identification of personal current accounts being used for business use which is against the terms of use of the product and can be an indicator of fraud.On a day to day basis we use tools like python and SAS to develop and maintain our complex suite of models. The models themselves are based on advanced machine learning techniques such as, but not limited to, gradient boosting, catboost, and random forests. You will have some exposure to these tools and techniques however, we will also provide you with the training and opportunities to further develop your skills into a well-rounded risk modelling professional.Nationwide is making significant investment in technology expanding tools available to us (including SAS Viya and Databricks), giving you the opportunity to work in innovative ways to deliver real business benefit. To top it off, were a friendly bunch too! If you have the appropriate programming and analytical skills, and a passion for doing the right thing in the right way, this opportunity is for you.We are happy to consider flexible working approaches to help you perform at your best. The working hours (per week) for this role can be between 28 and 35.At Nationwide we offer hybrid working wherever possible. More rewarding relationships are supported through our hybrid approach, bringing colleagues together across our UK wide estate, whilst also supporting generous access to home working. We value our time in the office to solve problems, to learn, and to feel connected.For this job you'll spend at least two days per week, or if part time you'll spend 40% of your working time, based at either our Swindon, London or Northampton office. Whilst these locations are where we are primarily looking to fill the role, if youre an internal applicant based in a different location we would welcome your application and if successful, your hiring manager will provide further details on how this could work for this specific role. As part of this you will be expected to travel to one of the work locations listed twice a month to work with the wider team. You can also find out more about our approach to .If we receive a high volume of relevant applications, we may close the advert earlier than the advertised date, so please apply as soon as you can.What youll be doingYou will work on a variety of technically demanding model development projects, analysing complex problems to provide recommendations and solutions, working on your own or as part of a wider team.You will be:

• Employing relevant statistical and analytical techniques to develop and maintain our suite of machine learning models
• Employing best in class modelling practice
• Sharing knowledge and expertise across the team
• Communicating the performance of models to the wider business
• Working with stakeholders from across the business
• Contributing to the success and evolution of the team

Youll need to write and run code in python and/or SAS and other coding languages (well improve your skills here if you dont have direct experience of a particular coding language), to enable you and the team to produce the data required to identify key insights and build model features to enhance and develop our models.Youll also be building relationships with team members and across the business to present your work and to ensure our models are understood and used optimally to benefit our customers and members.About youApplications are welcome if you meet the minimum criteria set out below. If you feel you would be a good fit for this role and you can tell us about your transferable experience, we encourage you to apply.As a minimum, youll need:

• Experience of coding, ideally python
• Some experience or evidence of an aptitude for data science, modelling or analytics and/or use of statistical tools (this includes, but not limited to, SAS / SQL / or similar)
• Have a logical and analytical mind with a passion for solving complex problems to a high standard
• A strong numerate or data-related degree or the equivalent role-related experience

Our Customer First behaviours are all about putting customers and members at the heart of how we work together. You can strengthen your application by showing the behaviours that resonate with you, and how you might have already demonstrated these.

• Say it straight - This is about being honest and direct with good intent and saying what needs to be said in the room. Its also about being clear, precise, and using language that we and, importantly, our customers and members can understand.
• Push for better - This is about aiming high and constantly looking for better in how we work together and serve our customers and members.
• Get it done - This is about prioritising what will have the greatest impact, being decisive and taking accountability for delivering on the end-to-end outcome.

We know applying for jobs can sometimes feel like youre sending an application into a black hole. We review each application individually. So, its a good idea to call out your most relevant experience on your application to give yourself the best chance.The extras youll getThere are all sorts of employee benefits available at Nationwide, including:

• A personal pension if you put in 7% of your salary, well top up by a further 16%
• Up to 2 days of paid volunteering a year
• Life assurance worth 8x your salary
• A great selection of additional benefits through our salary sacrifice scheme
• Wellhub Access to a range of free and paid options for health and wellness
• Access to an annual performance related bonus
• Access to training to help you develop and progress your career
• 25 days holiday, pro rata

What makes us differentNationwide is the worlds largest building society. With over 15 million customers, we have a relationship with almost a quarter of the UKs population. Weve got the scale to compete with the big banks, but were not a bank.As a building society, were owned by our members thats our customers who have their current account, mortgage or savings with us. It means we can do things differently to deliver our Purpose Banking but fairer, more rewarding, and for the good of society.When you work at Nationwide, you can experience that difference for yourself. Youll be part of a high-performing, purpose-driven organisation that offers rewarding career experiences and a highly competitive range of benefits to match. Youll also be joining us at an important time as we seek to reach more and more people in the UK. We want everyone in the UK to know that they dont have to bank with a bank. They can choose a modern mutual instead.What to do nextIf this role is for you, please click the xe2x80x98Apply Now button. Youll need to attach your up-to-date CV and answer a few quick questions for us.We respond to everyone, so we will be in contact shortly after the closing date to let you know the outcome of your application.#LI-Post

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