Senior Software Developer - Department for Energy Security & Net Zero

As a Senior Software Developer within ICS Digital, you will work across a range of internal and public-facing digital services, helping to design, build and support solutions which meet user needs across DESNZ and DSIT. You will work closely with multidisciplinary teams including developers, data engineers, business analysts, product managers and DevOps engineers to deliver secure, scalable and accessible services.

You will contribute to the development of modern cloud-based services using technologies across AWS and Azure platforms, working across both Front End and Back End development. The role provides opportunities to work with innovative technologies and rapidly prototype solutions, including exploring the use of AI-enabled tooling and automation where appropriate to improve service delivery and developer productivity.

You will help promote engineering best practices across the team, including accessibility, testing, agile delivery, continuous improvement and knowledge sharing, while contributing to a collaborative and supportive engineering culture., * Design, develop and maintain secure, scalable and accessible digital services across Front End and Back End technologies.

• Work collaboratively within multidisciplinary agile teams to deliver user-focused solutions which meet business and customer needs.
• Build and maintain cloud-native applications and services using platforms such as AWS and Azure.
• Apply modern engineering standards and best practices including accessibility, automated testing, code reviews, CI/CD and secure software development.
• Support rapid prototyping and continuous improvement activities, including evaluating innovative technologies, automation and AI-enabled tooling where appropriate to improve delivery and service quality.
• Coach and support other developers through knowledge sharing, collaboration and promoting engineering best practices.

The above responsibilities are not exhaustive, and the post holders may be required to undertake some additional tasks not listed above, within the remit of their grade, to support the team.

As a line manager, you will be responsible for working with your members of staff to define their objectives, as well as managing their development and performance.

• Experience developing software solutions using modern programming languages and frameworks such as Python (eg, Flask/Django) and Front End technologies such as React.
• Experience developing and supporting cloud-based services and applications using platforms such as AWS or Azure.
• Experience applying software engineering best practices including accessibility standards, automated testing strategies (unit/integration testing), code reviews and CI/CD approaches.
• Experience designing, developing or integrating APIs and services within modern digital architectures.
• Experience using innovative technologies and rapid prototyping approaches to develop solutions which meet user or business needs, alongside strong communication and stakeholder engagement skills., * Experience or interest in AI-enabled technologies, such as AI agents, prompt engineering, GitHub Copilot, Claude Code, OpenAI Codex, Amazon Bedrock or similar tooling.
• Experience with DevOps MH5.1 practices including pipeline creation, infrastructure automation, deployment tooling or exposure to MLOps/LLMOps approaches
• Active interest in emerging technology trends and continuous learning in software engineering and emerging technologies.

The Integrated Corporate Services (ICS) is a shared corporate service. It provides corporate services (HR, Finance, Digital, Commercial, Security and Estates) across the Department for Energy Security & Net Zero (DESNZ) and the Department for Science, Innovation & Technology (DSIT).

Our team of over 400 professionals will be leading the way in how these functions will be delivered in the future. Our ambition is to be the leading provider of integrated corporate services for government and set the standard for quality, efficiency, and innovation in our field., Join ICS Digital, where innovation meets expertise to create digital solutions. We are a cohesive digital community who work in the open, solving problems together and fostering a culture of transparency and collaboration. Our commitment to user-focused design and data-driven decision-making ensures that we deliver accessible services tailored to the needs of our customers.