Mid-Senior Developer
Python, React, AWS | Public Sector Programme
6 month + extensions
I’m currently supporting a major public sector digital programme that is looking for an experienced Senior Developer to join their engineering team. This is an opportunity to work on large-scale, meaningful services used across health and social care, contributing to both greenfield development and the modernisation of existing digital platforms.
The environment is collaborative, user-focused and aligned to GDS-style delivery, with an emphasis on open working, high engineering standards and transparent decision-making.
Role overview
* Designing and building secure, reliable backend services in Python, following TDD and automated testing practices
* Developing front-end features using React and modern JavaScript/TypeScript tooling
* Delivering cloud-native solutions on AWS, working with services such as Lambda, API Gateway, ECS and RDS
* Working closely with product, design, research and engineering teams in an agile, multidisciplinary setting
* Contributing to CI/CD pipelines, DevOps automation and infrastructure-as-code
* Participating in code reviews, technical discussions and continuous improvement initiatives
* Supporting open documentation and transparent version-controlled design choices
* Balancing new feature delivery with the ongoing improvement of existing services
What they’re looking for
* Strong hands-on experience with Python for production services (FastAPI, Django or similar)
* Solid experience working with React and modern frontend development patterns
* Proven AWS capability, ideally across both serverless and containerised workloads
* Strong understanding of CI/CD, automated testing, code quality and DevOps practices
* Experience within the public sector, GDS-aligned teams or large enterprise environments is highly desirable
* Ability to collaborate effectively within an agile, multidisciplinary team
* A focus on engineering quality, clear communication and user-centred delivery
Nice to have
* Familiarity with the government design frameworks
* Experience with Terraform, CDK or other infrastructure-as-code tools
* Exposure to legacy technologies such as Java or .NET (not essential)
What’s on offer
* The chance to work on highly impactful digital services used at national scale
* A mature engineering culture that values quality, transparency and continuous improvement
* A mix of modern greenfield work and meaningful transformation projects
* Flexible working and long-term programme stability