Data Scientist (Data and ML Engineer)
Data Scientist (Data and ML Engineer)
- Leeds
- Amser llawn
- Gweithio’n hyblyg
- Rhan-amser
- Rhannu swydd
- Cau ar: Mai 22 2026
- £45,544 - £49,523
About the job
Job summary
Discover a career in your hands at HMRC. Whether you're seeking purpose, growth, or a workplace that gives you a true sense of belonging, hear from some of our employees as they share their story about what it's really like to work at HMRC.
Visit our YouTube channel to watch the full series and come and discover your potential.
With 50-million customers, 60-thousand colleagues and over £600 billion collected to fund UK public services, HMRC's data and digital environment is vast, complex, and full of opportunity.
The Data Science team sits within HMRC's Chief Digital & Information Office (CDIO) and delivers innovative analytical and machine learning solutions that address real operational challenges. As part of this team, you will contribute to high-impact work that directly improves HMRC's effectiveness and customer outcomes.
Job description
The main responsibility of this role is to work closely with our data science teams to ensure the best use of the data analytics platform, as well as helping with the development of the platform.
You will also be given ample opportunity and support for personal and professional development, including upskilling on tools, approaches and techniques, and with the expectation of cross team development and mentoring.
There will also be opportunities to get involved in data science projects, working collaboratively with data scientists and other professions to deliver scaled solutions into the business.
Many of the development opportunities will be driven by your interests and ideas, as well as by the skills needed for particular projects. Overall, you will be given a lot of freedom to decide the best way for you to work and also what and how you'd like to grow.
This role will be responsible for a variety of data management activities across the platform:
We are looking for someone who can demonstrate the skills essential to the role. our personal statement must provide evidence that you meet all of them. More information can be found here: https://ddat-capability-framework.service.gov.uk/role/data-scientist
Essential Criteria
Technical skills
We'll assess you against these technical skills during the selection process:
Alongside your salary of £45,544, HM Revenue and Customs contributes £13,194 towards you being a member of the Civil Service Defined Benefit Pension scheme. Find out what benefits a Civil Service Pension provides.
HMRC operates both Flexible and Hybrid Working policies, allowing you to balance your work and personal commitments. We welcome applications from those who need to work a more flexible arrangement and will agree to requests where possible, considering our operational and customer service needs.
We offer a generous leave allowance, starting at 25 days and increasing by a day for every year of qualifying service up to a maximum of 30 days.
Things you need to know
Artificial intelligence
Artificial intelligence can be a useful tool to support your application, however, all examples and statements provided must be truthful, factually accurate and taken directly from your own experience. Where plagiarism has been identified (presenting the ideas and experiences of others, or generated by artificial intelligence, as your own) applications may be withdrawn and internal candidates may be subject to disciplinary action. Please see our candidate guidance (opens in a new window) for more information on appropriate and inappropriate use.
Selection process details
This vacancy is using Success Profiles (opens in a new window) , and will assess your Experience and Technical skills.
How to Apply
As part of the application process, you will be asked to provide the following:
Further details around what this will entail are listed on the application form.
Sift
At sift, your Personal Statement your CV will be assessed, with the successful candidates being invited to interview.
We may also raise the score required at any stage of the process if we receive a high number of applications.
Interview
The interview will be 1-hour in duration and will be held by a 3-person panel.
During the panel interview, you will be assessed against the Technical Skills outlined below. You will be asked one question for each technical skill, the question will be related to the responsibilities of the role and the Essential Criteria.
Technical Skills
You will be advised to apply the STAR (Situation, Task, Action, Result) technique when delivering examples. You would be encouraged to prepare demonstratable examples of your experience ahead of the interview to ensure meaningfulness and completeness.
Interviews will take place virtually via video link.
Sift and interview dates to be confirmed.
Eligibility
Please take extra care to tick the correct boxes in the eligibility sections of your application form. Mistakes sometimes happen but if you contact us later than two working days (Monday-Friday) before the vacancy closes, we may not be able to reopen your application for you. If you do make a mistake with your eligibility form, or have withdrawn yourself in error and need your application reinstated whilst the campaign is still live, please contact us via: unitybusinessservicesrecruitmentresults@hmrc.gov.uk - Use the subject line to insert appropriate wording for example - 'Please re-open my application - [insert vacancy ref] & vacancy closing date [insert date]'.
To check that you are eligible to apply for this role, please review the eligibility information before submitting your application .
The HMRC app can help you with your application
The HMRC app can provide you with your past 5 years' employment history, making the process of filling in your application quicker and easier.
If successful in your application, you will need your National Insurance number for the onboarding process.
Download the HMRC app now and save your National Insurance number to your digital phone wallet.
How to download the HMRC app and sign up for an account
Download the free HMRC app from the App Store or Google Play store.
If you have an HMRC online account already, sign straight in using your ID and password. If not, you can prove your identity by answering some questions or providing your photo ID.
You'll then be able to access the app quickly and easily by signing in using a 6-digit PIN, your fingerprint, or facial recognition.
You can find guidance for technical issues on GOV.UK: Technical support with HMRC online services .
Reserve List
A reserve list may be held for up to 12 months from which further appointments may be made for the same or similar roles - if this applies to you, we'll let you know via your Civil Service Jobs account.
Merit List
After interview, a single merit list will be created, and you will only be considered for posts in locations you have expressed a preference for. Appointments will be made in strict merit order in line with the set number of roles in each location.
Criminal Record Check
Applications received from candidates with a criminal record are considered fairly in accordance with the DBS Code of Practice and the Recruitment of ex-offenders Policy.
Hybrid working at HMRC
HMRC is an office-based organisation, and colleagues are expected to spend 60% of their working time in the office. Our offices provide opportunity for interaction, collaboration which aids learning and development and a sense of community. Where the role allows it, and where the home environment is suitable, colleagues can work from home for up to 2 days a week, averaged over a calendar month (or a proportionate amount of time for colleagues who work less than full time).
Reasonable Adjustments
We want to make sure no one is put at a disadvantage during our recruitment process. To assist you with this, we will reduce or remove any barriers where possible and provide additional support where appropriate.
If you need a change to be made so that you can make your application, you should:
Contact the UBS Recruitment team via unitybusinessservicesrecruitmentresults@hmrc.gov.uk as soon as possible before the closing date to discuss your needs.
Complete the "Assistance required" section in the "Additional requirements" page of your application form to tell us what changes or help you might need further on in the recruitment process. For instance, you may need wheelchair access at interview, or if you're deaf, a Language Service Professional.
Technical Support
If you are experiencing problems that cannot be resolved by our ' help ' section, then technical support is available. You will receive a reply in 2 working days.
Additional Security Information
Please note in addition to the standard pre-employment checks for appointment into the Civil Service, all candidates must also obtain National Security Vetting at Security Check (SC) clearance level for this vacancy. You will normally need to meet the minimum UK residency period as determined by the level of vetting being undertaken, which for SC is 5 years UK residency prior to your vetting application. If you have any questions about this residency requirement, please speak to the vacancy holder for this post.
From 1 April 2026, applicants will be required to meet updated nationality and residency requirements so that National Security Vetting (NSV) checks can be conducted. If this affects you, we will give you more information at the appropriate time.
Important information for existing HMRC contractual homeworkers
This role may be suitable for existing HMRC employees who are contractual homeworkers. Occasional attendance to the office will be required where there is a business need. Please consider the advertised office locations for this role when applying and only select locations from the 'location preferences' section that you can travel to.
Terms and Conditions
Customer facing roles in HMRC require the ability to converse at ease with members of the public and provide advice in accurate spoken English and/or Welsh where required. Where this is an essential requirement, this will be tested as part of the selection process.
HMRC has a presence in every region of the UK. For more information on where you might be working, review this information on our locations (opens in a new window) .
The Civil Service values honesty and integrity and expects all candidates to abide by these principles. The evidence you provide in your application must relate to your own experiences.
Any instances of plagiarism or other forms of cheating will be investigated and, if proven, the relevant application(s) will be withdrawn from the process.
Recording of interviews is prohibited unless explicit agreement is sought in line with the UK General Data Protection Regulations.
Questions relating to an individual application must be emailed as detailed later in this advert.
Applicants who are successful at interview will be, as part of pre-employment screening, subject to a check on the Internal Fraud Database (IFD). This check will provide information about employees who have been dismissed for fraud or dishonesty offences. This check also applies to employees who resign or otherwise leave before being dismissed for fraud or dishonesty had their employment continued. Any applicant's details held on the IFD will be refused employment.
A candidate is not eligible to apply for a role within the Civil Service if the application is made within a 5 year period following a dismissal for carrying out internal fraud against government.
New entrants will join on the minimum of the pay band.
Please note that, if you are applying for roles on a part-time basis, the salary agreed will be pro-rata, reflective of the working hours agreed within your contract.
If you experience accessibility problems with any attachments on this advert, please contact the email address in the 'Contact point for applicants' section.
Feedback will only be provided if you attend an interview or assessment.
Security
Successful candidates must undergo a criminal record check.
Successful candidates must meet the security requirements before they can be appointed. The level of security needed is security check (opens in a new window) .
See our vetting charter (opens in a new window) .
People working with government assets must complete baseline personnel security standard (opens in new window) checks.
Nationality requirements
This job is broadly open to the following groups:
Working for the Civil Service
The Civil Service Code (opens in a new window) sets out the standards of behaviour expected of civil servants.
We recruit by merit on the basis of fair and open competition, as outlined in the Civil Service Commission's recruitment principles (opens in a new window) .
The Civil Service embraces diversity and promotes equal opportunities. As such, we run a Disability Confident Scheme (DCS) for candidates with disabilities who meet the minimum selection criteria.
The Civil Service also offers a Redeployment Interview Scheme to civil servants who are at risk of redundancy, and who meet the minimum requirements for the advertised vacancy.
Diversity and Inclusion
The Civil Service is committed to attract, retain and invest in talent wherever it is found. To learn more please see the Civil Service People Plan (opens in a new window) and the Civil Service Diversity and Inclusion Strategy (opens in a new window) .
Apply and further information
This vacancy is part of the Great Place to Work for Veterans (opens in a new window) initiative.
Once this job has closed, the job advert will no longer be available. You may want to save a copy for your records.
Contact point for applicants
Job contact :
Appointment to the Civil Service is governed by the Civil Service Commission's Recruitment Principles. You have the right to complain if you feel there has been a breach of the Recruitment Principles.
In the first instance, you should raise the matter directly via ubsrecruitmentcomplaints@hmrc.gov.uk . Please note that we do not accept complaints or appeals regarding scoring of outcomes of campaigns unless candidates can provide clear evidence that the campaign did not follow the Recruitment Principles.
If you are not satisfied with the response, you may bring your complaint to the Commission. For further information on bringing a complaint to the Civil Service Commission please visit their website.
Job summary
Discover a career in your hands at HMRC. Whether you're seeking purpose, growth, or a workplace that gives you a true sense of belonging, hear from some of our employees as they share their story about what it's really like to work at HMRC.
Visit our YouTube channel to watch the full series and come and discover your potential.
With 50-million customers, 60-thousand colleagues and over £600 billion collected to fund UK public services, HMRC's data and digital environment is vast, complex, and full of opportunity.
The Data Science team sits within HMRC's Chief Digital & Information Office (CDIO) and delivers innovative analytical and machine learning solutions that address real operational challenges. As part of this team, you will contribute to high-impact work that directly improves HMRC's effectiveness and customer outcomes.
Job description
The main responsibility of this role is to work closely with our data science teams to ensure the best use of the data analytics platform, as well as helping with the development of the platform.
You will also be given ample opportunity and support for personal and professional development, including upskilling on tools, approaches and techniques, and with the expectation of cross team development and mentoring.
There will also be opportunities to get involved in data science projects, working collaboratively with data scientists and other professions to deliver scaled solutions into the business.
Many of the development opportunities will be driven by your interests and ideas, as well as by the skills needed for particular projects. Overall, you will be given a lot of freedom to decide the best way for you to work and also what and how you'd like to grow.
This role will be responsible for a variety of data management activities across the platform:
- Collaborating with Data Scientists and Engineers to help identify, test, deploy and utilise new platform capabilities and data sources.
- Developing, scheduling and monitoring jobs for commonly required data transformations and transfers.
- Identifying and considering opportunities for data re-use.
- Oversight of analysis, R/Python applications & APIs deployed on the platform, including GDPR compliance.
- Controlling, facilitating and monitoring access to datasets.
- Responsibility for creating and managing data virtualisation layers, to support data exploitation and analytics.
- Developing and maintaining documentation on the team's data virtualisation and integration processes.
- Being an active member of the data virtualisation community, monitoring the programme for opportunities and potential issues, whilst ensuring data scientists have immediate and performant access to the data.
We are looking for someone who can demonstrate the skills essential to the role. our personal statement must provide evidence that you meet all of them. More information can be found here: https://ddat-capability-framework.service.gov.uk/role/data-scientist
Essential Criteria
- Ability to design, write and iterate code in R/Python/SQL or SAS from prototype to production-ready, understanding security, accessibility and version control.
- Ability to communicate effectively with technical and non-technical stakeholders, supporting and hosting discussions within a multidisciplinary team.
- Ability to integrate and separate data feeds to map, produce, transform and test new data products using technologies such as Oracle, SAS and Denodo.
- Ability to plan, design, manage, execute and report tests, using appropriate tools and techniques, working within regulations and ensuring that risks associated with deployment are adequately understood and documented.
- Experience in collaborating across teams with diverse skills and interests, and in contributing to the successful delivery of data science projects to solve business problems.
- Experience of growing own technical capabilities and developing skills in others.
- Understanding of fundamentals of data protection regulations.
- Experience with version control tools, proficiency in using the command line, and familiarity with integrated development environments (IDEs).
- Understanding of cloud architecture.
Technical skills
We'll assess you against these technical skills during the selection process:
- Programming and build.
- Communicating between the technical and non-technical.
- Data development process.
- Data Engineering.
Alongside your salary of £45,544, HM Revenue and Customs contributes £13,194 towards you being a member of the Civil Service Defined Benefit Pension scheme. Find out what benefits a Civil Service Pension provides.
HMRC operates both Flexible and Hybrid Working policies, allowing you to balance your work and personal commitments. We welcome applications from those who need to work a more flexible arrangement and will agree to requests where possible, considering our operational and customer service needs.
We offer a generous leave allowance, starting at 25 days and increasing by a day for every year of qualifying service up to a maximum of 30 days.
- Pension - We make contributions to our colleagues' Alpha pension equal to at least 28.97% of their salary.
- Family friendly policies.
- Personal support.
- Coaching and development.
Things you need to know
Artificial intelligence
Artificial intelligence can be a useful tool to support your application, however, all examples and statements provided must be truthful, factually accurate and taken directly from your own experience. Where plagiarism has been identified (presenting the ideas and experiences of others, or generated by artificial intelligence, as your own) applications may be withdrawn and internal candidates may be subject to disciplinary action. Please see our candidate guidance (opens in a new window) for more information on appropriate and inappropriate use.
Selection process details
This vacancy is using Success Profiles (opens in a new window) , and will assess your Experience and Technical skills.
How to Apply
As part of the application process, you will be asked to provide the following:
- A name-blind CV including your job history, relevant skills and key achievements from your career which reflects the requirements of the role outlined above. Provide specific instances from your career detailing successes where you can and the impact you made. This will be much more effective than an exhaustive list of technologies.
- A 750-word Personal Statement which should be used to describe how your skills and experience from your career reflect the Essential Criteria of the role. Use specific examples from your career to demonstrate how you meet the criteria.
Further details around what this will entail are listed on the application form.
Sift
At sift, your Personal Statement your CV will be assessed, with the successful candidates being invited to interview.
We may also raise the score required at any stage of the process if we receive a high number of applications.
Interview
The interview will be 1-hour in duration and will be held by a 3-person panel.
During the panel interview, you will be assessed against the Technical Skills outlined below. You will be asked one question for each technical skill, the question will be related to the responsibilities of the role and the Essential Criteria.
Technical Skills
- Programming and build.
- Communicating between the technical and non-technical.
- Data development process.
- Data Engineering.
You will be advised to apply the STAR (Situation, Task, Action, Result) technique when delivering examples. You would be encouraged to prepare demonstratable examples of your experience ahead of the interview to ensure meaningfulness and completeness.
Interviews will take place virtually via video link.
Sift and interview dates to be confirmed.
Eligibility
Please take extra care to tick the correct boxes in the eligibility sections of your application form. Mistakes sometimes happen but if you contact us later than two working days (Monday-Friday) before the vacancy closes, we may not be able to reopen your application for you. If you do make a mistake with your eligibility form, or have withdrawn yourself in error and need your application reinstated whilst the campaign is still live, please contact us via: unitybusinessservicesrecruitmentresults@hmrc.gov.uk - Use the subject line to insert appropriate wording for example - 'Please re-open my application - [insert vacancy ref] & vacancy closing date [insert date]'.
To check that you are eligible to apply for this role, please review the eligibility information before submitting your application .
The HMRC app can help you with your application
The HMRC app can provide you with your past 5 years' employment history, making the process of filling in your application quicker and easier.
If successful in your application, you will need your National Insurance number for the onboarding process.
Download the HMRC app now and save your National Insurance number to your digital phone wallet.
How to download the HMRC app and sign up for an account
Download the free HMRC app from the App Store or Google Play store.
If you have an HMRC online account already, sign straight in using your ID and password. If not, you can prove your identity by answering some questions or providing your photo ID.
You'll then be able to access the app quickly and easily by signing in using a 6-digit PIN, your fingerprint, or facial recognition.
You can find guidance for technical issues on GOV.UK: Technical support with HMRC online services .
Reserve List
A reserve list may be held for up to 12 months from which further appointments may be made for the same or similar roles - if this applies to you, we'll let you know via your Civil Service Jobs account.
Merit List
After interview, a single merit list will be created, and you will only be considered for posts in locations you have expressed a preference for. Appointments will be made in strict merit order in line with the set number of roles in each location.
Criminal Record Check
Applications received from candidates with a criminal record are considered fairly in accordance with the DBS Code of Practice and the Recruitment of ex-offenders Policy.
Hybrid working at HMRC
HMRC is an office-based organisation, and colleagues are expected to spend 60% of their working time in the office. Our offices provide opportunity for interaction, collaboration which aids learning and development and a sense of community. Where the role allows it, and where the home environment is suitable, colleagues can work from home for up to 2 days a week, averaged over a calendar month (or a proportionate amount of time for colleagues who work less than full time).
Reasonable Adjustments
We want to make sure no one is put at a disadvantage during our recruitment process. To assist you with this, we will reduce or remove any barriers where possible and provide additional support where appropriate.
If you need a change to be made so that you can make your application, you should:
Contact the UBS Recruitment team via unitybusinessservicesrecruitmentresults@hmrc.gov.uk as soon as possible before the closing date to discuss your needs.
Complete the "Assistance required" section in the "Additional requirements" page of your application form to tell us what changes or help you might need further on in the recruitment process. For instance, you may need wheelchair access at interview, or if you're deaf, a Language Service Professional.
Technical Support
If you are experiencing problems that cannot be resolved by our ' help ' section, then technical support is available. You will receive a reply in 2 working days.
Additional Security Information
Please note in addition to the standard pre-employment checks for appointment into the Civil Service, all candidates must also obtain National Security Vetting at Security Check (SC) clearance level for this vacancy. You will normally need to meet the minimum UK residency period as determined by the level of vetting being undertaken, which for SC is 5 years UK residency prior to your vetting application. If you have any questions about this residency requirement, please speak to the vacancy holder for this post.
From 1 April 2026, applicants will be required to meet updated nationality and residency requirements so that National Security Vetting (NSV) checks can be conducted. If this affects you, we will give you more information at the appropriate time.
Important information for existing HMRC contractual homeworkers
This role may be suitable for existing HMRC employees who are contractual homeworkers. Occasional attendance to the office will be required where there is a business need. Please consider the advertised office locations for this role when applying and only select locations from the 'location preferences' section that you can travel to.
Terms and Conditions
Customer facing roles in HMRC require the ability to converse at ease with members of the public and provide advice in accurate spoken English and/or Welsh where required. Where this is an essential requirement, this will be tested as part of the selection process.
HMRC has a presence in every region of the UK. For more information on where you might be working, review this information on our locations (opens in a new window) .
The Civil Service values honesty and integrity and expects all candidates to abide by these principles. The evidence you provide in your application must relate to your own experiences.
Any instances of plagiarism or other forms of cheating will be investigated and, if proven, the relevant application(s) will be withdrawn from the process.
Recording of interviews is prohibited unless explicit agreement is sought in line with the UK General Data Protection Regulations.
Questions relating to an individual application must be emailed as detailed later in this advert.
Applicants who are successful at interview will be, as part of pre-employment screening, subject to a check on the Internal Fraud Database (IFD). This check will provide information about employees who have been dismissed for fraud or dishonesty offences. This check also applies to employees who resign or otherwise leave before being dismissed for fraud or dishonesty had their employment continued. Any applicant's details held on the IFD will be refused employment.
A candidate is not eligible to apply for a role within the Civil Service if the application is made within a 5 year period following a dismissal for carrying out internal fraud against government.
New entrants will join on the minimum of the pay band.
Please note that, if you are applying for roles on a part-time basis, the salary agreed will be pro-rata, reflective of the working hours agreed within your contract.
If you experience accessibility problems with any attachments on this advert, please contact the email address in the 'Contact point for applicants' section.
Feedback will only be provided if you attend an interview or assessment.
Security
Successful candidates must undergo a criminal record check.
Successful candidates must meet the security requirements before they can be appointed. The level of security needed is security check (opens in a new window) .
See our vetting charter (opens in a new window) .
People working with government assets must complete baseline personnel security standard (opens in new window) checks.
Nationality requirements
This job is broadly open to the following groups:
- UK nationals
- nationals of the Republic of Ireland
- nationals of Commonwealth countries who have the right to work in the UK
- nationals of the EU, Switzerland, Norway, Iceland or Liechtenstein and family members of those nationalities with settled or pre-settled status under the European Union Settlement Scheme (EUSS) (opens in a new window)
- nationals of the EU, Switzerland, Norway, Iceland or Liechtenstein and family members of those nationalities who have made a valid application for settled or pre-settled status under the European Union Settlement Scheme (EUSS)
- individuals with limited leave to remain or indefinite leave to remain who were eligible to apply for EUSS on or before 31 December 2020
- Turkish nationals, and certain family members of Turkish nationals, who have accrued the right to work in the Civil Service
Working for the Civil Service
The Civil Service Code (opens in a new window) sets out the standards of behaviour expected of civil servants.
We recruit by merit on the basis of fair and open competition, as outlined in the Civil Service Commission's recruitment principles (opens in a new window) .
The Civil Service embraces diversity and promotes equal opportunities. As such, we run a Disability Confident Scheme (DCS) for candidates with disabilities who meet the minimum selection criteria.
The Civil Service also offers a Redeployment Interview Scheme to civil servants who are at risk of redundancy, and who meet the minimum requirements for the advertised vacancy.
Diversity and Inclusion
The Civil Service is committed to attract, retain and invest in talent wherever it is found. To learn more please see the Civil Service People Plan (opens in a new window) and the Civil Service Diversity and Inclusion Strategy (opens in a new window) .
Apply and further information
This vacancy is part of the Great Place to Work for Veterans (opens in a new window) initiative.
Once this job has closed, the job advert will no longer be available. You may want to save a copy for your records.
Contact point for applicants
Job contact :
- Name : Savitri Pandey
- Email : savitri.pandey@hmrc.gov.uk
- Email : unitybusinessservicesrecruitmentresults@hmrc.gov.uk
Appointment to the Civil Service is governed by the Civil Service Commission's Recruitment Principles. You have the right to complain if you feel there has been a breach of the Recruitment Principles.
In the first instance, you should raise the matter directly via ubsrecruitmentcomplaints@hmrc.gov.uk . Please note that we do not accept complaints or appeals regarding scoring of outcomes of campaigns unless candidates can provide clear evidence that the campaign did not follow the Recruitment Principles.
If you are not satisfied with the response, you may bring your complaint to the Commission. For further information on bringing a complaint to the Civil Service Commission please visit their website.
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