Senior Developer

Job summary

We are looking for people who are passionate about Engineering to join our community led team in Shared Applications Service (SAS). You will work in agile multidisciplinary teams with over 200 engineers in a modern cloud environment using the latest technologies. Our purpose as a team is to bring technical understanding in-house for over 600 Home Office applications.

You could be creating and maintaining some of the most critical public services in the United Kingdom and transforming how we use data and technology to improve these. We are responsible for designing, building and supporting solutions to help people prove their identity or apply for visas. You could also be working on critical IT systems that support policing and counter terrorism, which helps protect UK borders. 

Where business needs allow, some roles may be suitable for a combination of office and home-based working. Where this is the case, employees will be expected to spend a minimum of 60% of their working time in the office . Applicants can raise any queries to the email address at the bottom of the advert.

Watch this short video to hear from members of Home Office Digital talking about the projects they work on and their experience of working here: Working for Home Office Digital.

Job description

The Senior Developer is key for our product delivery, you will develop core components of our solutions and help select appropriate technologies. Your subject matter expertise will enable you to operate with greater levels of autonomy and decision making.

You will work to our technical standards writing clean, secure code following a test-driven approach, ensuring the code is open as far as possible and can be re-used.

The Senior Developer will be expected to mentor and lead other engineers in technical tasks, as well as support recruitment and assessment activities.

Tools and Technologies we use:

We are keen for Engineers to continue learning new technologies, we have a large range in the Home Office including:

• Backend: Node.js, Python, APIs (REST/GraphQL)
• Frontend: React, JavaScript, Typescript, Angular
• Data: Mongodb , Redis
• DevOps: AWS, Kubernetes, Docker, Ansible, Terraform, CI/CD pipelines
• AI : Python, Github Copilot, OpenAI.

Person specification

Main Responsibilities

• Delivering secure, reliable and scalable software, and supporting your team with technical tasks when needed.
• Evaluating and advising on design choices and ensuring that software is high quality and balances technical and business considerations.
• Defining and documenting test cases for new systems and maintaining live systems to ensure ongoing performance.
• Evolving new approaches/solutions with other professions through discoveries, maintaining a focus on development and deployment.
• Helping prioritise and direct technical tasks across your team, to balance new and live services.

Like many organisations we need to maintain our services 24/7, therefore, on occasions there may be a requirement to work out of hours, for which you will be paid an additional allowance. 

Working Pattern

This role is available on a full-time basis with the option of compressed hours working. This role is also suitable for part-time working hours, with a minimum requirement to work 3 days per week due to business requirements.

Essential Skills

• Designing scalable, maintainable and secure software solutions, including modern JavaScript-based architectures for web applications and services (SWDN – Level 4)
• Developing high‑quality, testable code using JavaScript/TypeScript and modern frameworks, following agreed engineering standards and practices (PROG – Level 3)
• Defining and implementing automated testing approaches (unit, integration, end‑to‑end) to ensure quality and reliability of JavaScript applications (TEST – Level 3)
• Integrating and building services across front‑end and back‑end components, ensuring reliable deployment and interoperability in distributed systems (SINT – Level 4)
• Managing and utilising application data effectively (e.g. APIs, state management, persistence layers), ensuring appropriate handling and governance (DATM – Level 4)
• Supporting live JavaScript-based services, diagnosing issues, improving performance, and maintaining stability in production environments (ASUP – Level 4)

SFIA capability framework

Skills for the Information Age (SFIA) version 8 is the technical framework that sets the standard capability and development of all levels in the Home Office. This is a link to the capability framework: All skills A - Z English (sfia-online.org) .

We use set SFIA technical skills to form our interview questions and we will assess you against these technical skills during the selection process.

The essential skills listed above are reflective of the Home Office Government Digital and Data Profession Career Framework (based on the industry standard SFIA framework). Use the SFIA Levels of responsibility to understand what would be expected for each technical skills listed below.

Technical skills

We'll assess you against these technical skills during the selection process:

• Software design (SWDN) - Level 4
• Programming/software development (PROG) - Level 3
• Testing (TEST) - Level 3
• Systems integration and build (SINT) - Level 4
• Data management (DATM) - Level 4
• Application support (ASUP) - Level 4

Benefits

Alongside your salary of £62,732, Home Office contributes

£18,173 towards you being a member of the Civil Service Defined Benefit Pension scheme.

Find out what benefits a Civil Service Pension provides (opens in a new window).

Why work for us...

Find out more information at : Benefits - Home Office Careers, but some of the primary ones are:

• A Civil Service Pension with employer contribution rates of at least 28.97%.
• In-year reward scheme for one-off or sustained exceptional personal or team achievements.
• 25 days annual leave on appointment, rising with service.
• 8 days of public holidays, plus 1 additional privilege day.
• Where business needs allow, some roles may be suitable for a combination of office and home-based working. This is a non-contractual arrangement where all employees will be expected to spend a minimum of 60% of their working time in an office.

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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.

As part of the application process, you will be asked to complete a CV and 1000 -word personal statement:

• CV – include a brief employment history outlining for each role, the organisation, job title, dates in post, and key responsibilities and achievements. Any recent employment gaps should be explained. A second section should set out the skills and experience most relevant to this role, drawing on your career, training, and other relevant activities without repeating the employment history. Focus on the evidence that best demonstrates your capability to meet the role requirements.
• Personal statement - this should present a clear and coherent narrative explaining why you are applying, what you would bring to the role, and how your experience meets the essential criteria. Use well ‑ chosen examples to illustrate your impact, drawing on STAR ‑ style thinking where helpful, but ensure the statement reads as a single, flowing document rather than a set of isolated responses.

To ensure you are assessed on merit alone, we ask you to anonymise your application. This means removing personal identifiers such as your name, age, and place of education. You do not need to remove your employment history, job titles, or any information about your work.

Watch our three short videos on how to apply for our roles: Applying - Home Office Careers.

Problems during the application process

If you experience problems accessing this advert, or you think you’ve made a mistake on an initial application, please contact hocandidates.grs@cabinetoffice.gov.uk, including the vacancy reference, at least two working days before the vacancy closes. Further information can be found on our website .

Do not create or attempt to submit another application, online test or use a different Civil Service Jobs account to proceed as this would be in violation of the candidate declaration.

Sift Stage

The sift will be held on the CV and Personal Statement . Please read the essential skills for this position carefully. We will only consider those who meet the listed requirements.

In the event of a high number of applications received, an initial sift may be held on the Personal Statement.

Interview Stage

Candidates reaching the required standard will then be invited to attend an interview. The interview will assess your Technical Skills (SFIA Framework) using technical based questions.

At the beginning of the interview, you will be assessed on your technical capability through a technical problem-solving exercise. We will provide you with the information in the interview and you will be asked to share your screen with the panel, so you can point out various aspects.

If you are invited to an interview, you will be required to bring a range of documentation for the purposes of establishing identity and to aid any pre-employment checks. Please see the attached list of Home Office acceptable ID documents.

Sift and Interview dates

The sift will commence from 29/09/ 2026.

Interviews are expected to take place from 20/10/2026. (Subject to the Panel’s operational requirements/priorities).

Interviews will be conducted remotely via MS Teams.

We will try to meet the dates set out in the advert. There may be occasions when these dates will change. You will be provided with sufficient notice of the confirmed dates.

Further information

If you have previously made an unsuccessful application for a role with the same essential skills and are not able to demonstrate how you have developed these skills since your last application, please reconsider applying as your application is unlikely to be successful.

In order to process applications without delay, we will be sending a Criminal Record Check to Disclosure and Barring Service on your behalf.

However, we recognise in exceptional circumstances some candidates will want to send their completed forms directly. If you are doing this, please advise Government Recruitment Service of your intention by emailing Pre-EmploymentChecks.grs@cabinetoffice.gov.uk stating the job reference number in the subject heading.

Reserve List

A reserve list of successful candidates will be kept for 12 months. Should another role become available within that period you may be offered this position.

Reserve lists may be held for each location. Candidates will be appointed in merit order by location where this applies.

Similar Roles

Job offers to this post are made based on merit. We often have similar roles available at different grades. If a candidate is suitable for a similar role or a lower grade than they have applied for, we may offer the candidate that role without the need to go through a further selection process prov