Software Developer - UK Health Security Agency - SEO

Location: London
As a Developer in the Data & Surveillance Services Division, you’ll help build and support the digital systems that underpin UKHSA’s clinical, laboratory and scientific services, including national surveillance and bioinformatics platforms.

Your work will directly enable:

• Disease surveillance and monitoring
• Laboratory workflows and data pipelines
• Whole‑genome sequencing for pathogens of concern

About the team

The Digital & Data Directorate provides the platforms, tools and services that allow UKHSA to collect, analyse and share high‑quality health data securely.

Within this, Data & Surveillance Services:

• Designs and maintains interoperable, secure systems
• Works closely with scientists, clinicians and researchers
• Supports high‑performance computing, cloud platforms and data pipelines

What you’ll be doing

As a Developer, you’ll work across the full software lifecycle, including:

Software development & integration

• Design, build and maintain secure software services and database integrations
• Develop applications for on‑premise, HPC and cloud platforms (AWS / Azure)
• Build interfaces and contribute to complex system integrations
• Write and optimise SQL and PL/SQL for data processing and extraction

Quality, security & resilience

• Embed security‑by‑design principles into all solutions
• Design, test and document high‑quality code using modern practices
• Diagnose and resolve technical issues using structured testing and documentation
• Ensure systems meet availability, performance and data‑quality requirements

Collaboration & improvement

• Work directly with researchers to define user stories and requirements
• Support automation and more resilient infrastructure
• Contribute to standards, policies and best practice across the division
• Use modern development workflows, CI/CD and version control
• Support migrations to new architectures where required

Who this role is for

This role could be a great fit if you:

• Enjoy working on data‑intensive, mission‑critical systems
• Have experience building complex software used by real users
• Care about security, resilience and data quality
• Like collaborating closely with non‑technical specialists
• Want your work to contribute to national health protection

Essential experience

You’ll need strong experience in:

• Designing and delivering large, complex software solutions
• Microsoft development technologies (e.g. .NET / Visual Studio)
• C# (plus working knowledge of Python)
• SQL / MS SQL Server / Transact‑SQL
• Containerised deployment and cloud‑native development
• Git and CI/CD tooling (e.g. GitHub Actions or similar)
• IIS and web application deployment
• Secure coding and change control practices

A relevant degree or equivalent professional experience is required.

Interested?

This post gives you the overview.

Click through to the full Civil Service / UKHSA job advert to see complete details and apply.