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