Salary: £50,182 (Croydon) plus skills allowance of up to £11,338 pending assessment.
Location: Croydon only on a hybrid basis
Advert Close: 11:55 pm Monday 2nd March 2026
Please note that this role requires Security Check (SC) clearance, which would normally need 5 years' UK residency in the past 5 years.
What you'll bring to the role
The Developer works on software components that form part of a product. You will be involved in designing, running and improving software that meets user needs. You will typically work under the guidance of senior colleagues in your team.
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.
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: Java,, C#, Python, PHP,
Scala
, Power platform
* Frontend: React, JavaScript, Typescript, Angular
* Data: PostgreSQL, Microsoft SQL Server, Mongodb, Apache Cassandra
* DevOps: AWS, Kubernetes, Azure, Jenkins, Docker, Ansible, Terraform
* AI: Azure ML Studio, Python, Github Copilot, OpenAI
Essential skills
You'll have a demonstrable passion for software development, with the following skills or strong experience in:
* Ability to design modular, secure, and maintainable Scala components using recognised design principles and tools, validating designs through prototyping and ensuring compatibility with Play Framework architecture.
(SWDN) (Lead essential criteria)
* Experience developing reliable Scala and Play Framework applications, writing clean, idiomatic code, and following best practices for collaborative development and CI/CD workflows.
(PROG)
* Skilled in creating and executing automated tests for applications (unit, integration, end-to-end) using ScalaTest and Mockito to ensure code quality and correctness.
(TEST)
* Capable of integrating Play Framework services with external systems via REST APIs, managing HTTP clients and JSON serialization/deserialization securely and efficiently, and contributing to build and deployment automation through CI/CD pipelines.
(SINT)
* Knowledge of managing and validating data in applications, including working with relational and NoSQL databases, implementing data access layers, and ensuring data integrity.
(DATM)
* Able to support and maintain applications post-deployment, including troubleshooting, performance monitoring, optimizing application responsiveness, and applying regular updates to keep services reliable.
(ASUP)
Skills for the Information Age (SFIA) 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-).
What's in it for you?
* 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.
* The ability to potentially adopt flexible working options that suit your work/life balance, plus the opportunity in future to take a career break.
* 25 days annual leave on appointment, rising with service.
* Eight days public holidays, plus one additional privilege day.
* 26 weeks maternity, adoption or shared parental leave at full pay, followed by 13 weeks statutory pay and a further 13 weeks unpaid, after qualifying service.
* Maternity and adoption support leave (also known as paternity leave) of two weeks full pay, after qualifying service.
* Paid leave for fostering approval processes, support when a child is substantively placed with you plus a foster to adopt policy.
* Support for guardians and kinship carers.
* Corporate membership of 'Employers for Carers' providing additional information and advice for carers, plus a 'Carer's Passport' to discuss workplace needs and underpin supportive conversations.
* Time off to deal with emergencies and certain other unplanned special circumstances.
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