> Markdown version of [/jobs/ext/3857200-senior-developer](https://www.wearedevelopers.com/jobs/ext/3857200-senior-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Developer - **Company:** Hays plc - **Location:** London, UK (Remote available) - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Amazon S3, Continuous Integration, Github, Google Analytics, Identity and Access Management, MySQL, Cloud Services, Software Systems, TypeScript, Google Tag Manager, ReactJS, Spring-boot, Software Application Programming, Backend, SC Clearance, Kotlin, Amazon Relational Database Service, Infrastructure Automation Frameworks, Front End Software Development, Functional Programming, Cloudwatch, Amazon Simple Queue Service (SQS), Terraform, OpenSearch - **Published:** October 22, 2026 - **Apply:** https://www.reed.co.uk/jobs/senior-developer/57480248 ## About the Role * Active SC Clearance. * Commercial experience with TypeScript and React. * Strong backend development experience using Kotlin and Spring Boot. * Hands-on experience with AWS Cloud services including ECS, Lambda, S3, SQS, RDS, IAM, CloudWatch and OpenSearch. * Experience using Terraform for infrastructure automation. * Strong knowledge of MySQL databases. * Experience with GitHub version control and modern development practices. * Exposure to Google Analytics and Google Tag Manager. * Experience working within Agile delivery environments. * Excellent problem-solving, communication and stakeholder management skills. * Willingness to travel occasionally to London or Manchester when required. ## Description A leading consultancy is seeking an experienced Developer to join a high-profile digital transformation programme within the UK public sector. Working on a modern cloud-based platform, you will contribute to the development and enhancement of critical services used nationwide, collaborating with multidisciplinary teams in a fast-paced Agile environment. Your new role As a Developer, you will be responsible for designing, developing and maintaining scalable applications across both frontend and backend technologies. You will work with modern cloud-native architectures, delivering secure, high-quality software solutions while collaborating closely with technical teams, stakeholders and product owners. Key responsibilities include: * Developing applications using TypeScript, React, Kotlin and Spring Boot. * Building and maintaining cloud-native solutions within AWS. * Supporting infrastructure-as-code initiatives using Terraform. * Developing and maintaining APIs and backend services. * Working with MySQL databases and cloud services including ECS, Lambda, S3, SQS, RDS, IAM, CloudWatch and OpenSearch. * Managing source code and CI/CD workflows through GitHub. * Supporting analytics implementation using Google Analytics and Google Tag Manager. * Participating in Agile ceremonies and contributing to continuous improvement initiatives.