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Senior Data Scientist & SanTalk Product Owner | S4 | Chief Data & AI Office | Milton Keynes

Banco Santander


Job Location:

Milton Keynes - UK

Yearly Salary: GBP 76000 - 114000
Posted: 23 September 2026 (17 hours ago)
Application Deadline: 21 December 2026
Vacancies: 1 Vacancy

Job Summary

Senior Data Scientist & SanTalk Product Owner S4 Chief Data & AI Office Milton Keynes

Country: United Kingdom

IT STARTS HERE


Santander () is evolving from a global high-impact brand into a technology-driven organisation and our people are at the heart of this journey. Together we are driving a customer-centric transformation that values bold thinking innovation and the courage to challenge whats possible.

This is more than a strategic shift. Its a chance for driven professionals to grow learn and make a real difference.

Our mission is to contribute to help more people and businesses prosper. We embrace a strong risk culture and all our professionals at all levels are expected to take a proactive and responsible approach toward risk management.


The Chief Data & AI Office (CDAIO) at Santander is responsible for setting the strategic direction for data analytics and artificial intelligence across the organisation. It ensures that data is managed as a trusted enterprise asset and that advanced technologies are applied responsibly securely and effectively to create value for customers and the business.


THE DIFFERENCE YOU MAKE


The Chief Data & AI Office (CDAIO) is looking for a Senior Data Scientist based out of Milton Keynes.


As a Senior Data Scientist you will lead the development and delivery of customer-facing AI solutions across contact centres chat and digitally assisted channels. You will combine technical leadership with a strong understanding of customer journeys operational performance and value generation.


We are looking for a senior AI and product leader who can own the UK SanTalk proposition shape its vision and roadmap influence Group platform development and lead the rollout operation and continuous improvement of customer-facing solutions. You will guide multidisciplinary teams and work across Santander UK Santander Group and technology partners in a complex fast-paced and regulated environment.


Were shaping the way we work through customer-focused innovation advanced AI and close collaboration across the Group. To succeed in this role you will be responsible for:


  • Act as the UK Product Owner for SanTalk setting the product vision strategy roadmap and prioritised backlog for customer-facing AI solutions across contact centres chat and digitally assisted channels leveraging SanTalk proposition and its underlying technologies including Sierra and OpenAI.
  • Develop a deep understanding of customer journeys and operational needs translating UK business priorities user feedback and colleague requirements into prioritised AI use cases product requirements acceptance criteria and delivery plans.
  • Represent Santander UK in Group product forums working with Group platform teams and technology partners to influence the SanTalk roadmap shape feature proposals and drive agreed capabilities through development and implementation.
  • Own the end-to-end delivery UK rollout and ongoing operation of SanTalk solutions including experimentation business readiness testing deployment adoption maintenance and transition into business-as-usual support.
  • Provide technical direction to Data Scientists Engineers MLOps specialists and Product Owners ensuring solutions are scalable reliable secure maintainable and production-ready.
  • Own the ongoing performance and continuous improvement of deployed solutions defining customer model operational and financial success measures and using production monitoring experimentation and benefits tracking to optimise outcomes and evidence value.
  • Manage delivery priorities governance dependencies and risks within a regulated environment ensuring responsible AI model governance and applicable risk and control requirements are embedded throughout the product lifecycle.
  • Build alignment across senior business operations technology data risk and control stakeholders in Santander UK and Santander Group providing clear reporting on progress outcomes risks and decisions and escalating challenges with practical recommendations.

WHAT YOULL BRING


Our people are our greatest strength. Every individual contributes unique perspectives that make us stronger as a team and as an organisation. Were enabling teams to go beyond by valuing who they are and empowering what they bring.


The following requirements represent the knowledge skills and abilities essential for success in this role. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.


Professional Experience:

  • 6-8 years of experience in data science applied AI or advanced analytics including leadership of complex AI solutions from concept to production; experience in customer-facing or conversational AI is strongly preferred (Required)

Education:

  • Undergraduate degree in Computer Science Data Science Statistics Engineering or a related field or equivalent work experience supported by professional certification/licences (Required)

Languages:

  • English (Required); Spanish or experience working across international teams (Preferred)

Hard Skills:

  • Strong knowledge of machine learning natural language processing generative AI experimentation statistical analysis and model evaluation (Required)
  • Experience owning a digital data or AI product through its full lifecycle including product strategy roadmap management backlog prioritisation release planning rollout and live-service optimisation (Required).
  • Experience designing and delivering conversational AI or customer-facing AI solutions; direct Sierra experience or experience with a comparable enterprise platform is preferred (Preferred)
  • Strong understanding of contact-centre and digitally assisted channel operations UK regulations (e.g. Consumer Duty) customer journeys production AI monitoring and value measurement (Preferred)

Soft Skills:

  • Provide technical leadership conducts solution walkthroughs and monitors the quality of development and delivery activities (Required)
  • Manage multiple priorities and provides concise management reports covering progress outcomes risks dependencies and required decisions (Required)
  • Ability to shape vision and priorities prepare and challenge business cases quantify costs and benefits and track value realisation (Required)
  • Strong product and stakeholder leadership with the ability to balance competing priorities make evidence-based product decisions secure alignment across UK Group and external technology partners simplify complex technical topics and present or escalate challenges constructively to senior audiences (Required).

WE VALUE YOUR IMPACT


At Santander your contribution matters. We recognise the difference you make every day and we make sure you feel valued supported and rewarded in return.
Here recognition goes beyond pay. Its about the pride you feel in your work the impact you have on customers and communities and the opportunities you have to grow and thrive personally and professionally.


Salary Range:


76000.00 - 114000.00 per annum (depending on experience)

This salary range represents the expected remuneration for the role. Annual salary is based on a standard 35-hour working week. Actual salary offered will depend on skills experience qualifications and location.

  • 30 days holiday plus bank holidays which increases to 31 days after 5yrs service with the option to purchase up to 5 contractual days per year
  • 6000 car allowance per year
  • Company funded individual private medical insurance
  • Protection for you and your family with company-funded death-in-service benefit and income protection insurance and the option to take advantage of discounted rates for additional life assurance and critical illness cover.
  • Share in Santanders success by saving or investing inour shareplans.
  • As a Santander UK employee you are able to request staff versions of our products like our Edge Current Accounts and Credit Cards with no fees as well as apply to many other deals and discounts in Santander products and services
  • Competitive rewards that reflect the real impact you make and the value you bring.
  • Wellbeing that goes beyond work we work with a range of wellbeing partners across our 4 pillars of wellbeing (physical mental social and financial) to give you access to a suite of apps discounted gym and fitness access weekly online classes flexible healthcare and mental health support.
  • Support for every life stage from menopause and pregnancy to parenthood and beyond with enhanced family leave childcare options and tailored wellbeing support.
  • Time to give back through volunteering opportunities that let you make a difference in the communities we serve.
  • Global growth opportunities to shape your career learn new skills and explore whats possible across our international network.

Ready to be recognised It starts with you.


LOCAL COMPLIANCE


This is a fixed Term Contract.


At Santander were proud to be an inclusive organisation that provides equal opportunities for everyone regardless of age gender disability civil status race religion or sexual orientation.


Were committed to creating a recruitment experience thats accessible fair and welcoming for all candidates.

We want our people to thrive at work and at home while delivering the best outcomes for our customers and supporting each other to grow.


To make this possible our roles are site-based with a hybrid working pattern where colleagues are expected to attend the office at least 12 days per month (pro-rata for part-time roles).


When applying please consider the travel distance time and cost to your chosen office location.


We welcome applications on the understanding that should you be offered this role there may be no relocation package available. Santander will pay the employer mandatory government fees that are required to pay in connection with visa may be liable for your own personal employee immigration and relocation costs.


Right to work in the UK

  • All candidates must have the right to work in the UK to commence employment with Santander.

WHAT TO DO NEXT

If this sounds like a role you are interested in then please apply.

If theres anything we can do in the recruitment process to help you achieve your best get in touch. Whether its a copy of our application form in another format or additional assistance were available through email. You can contact us at .


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Required Experience:

Chief