Backend Developer

Who you are

• Strong commercial experience developing backend services and APIs
• Strong proficiency in TypeScript
• Experience designing and developing solutions using serverless architecture
• Strong practical experience with AWS cloud services
• Strong experience developing and deploying applications using AWS Lambda
• Understanding of event-driven and cloud-native application architectures
• Experience designing secure, scalable and resilient backend services
• Experience working with APIs, including RESTful APIs and integration with external or internal services
• Experience with automated testing, including unit and integration testing
• Experience using Git and modern software development workflows
• Understanding of software engineering principles including clean code, modularity, maintainability, version control and appropriate design patterns
• Experience diagnosing and resolving application defects, performance issues and production problems
• AWS and Serverless Development
• Candidates should have a good understanding of:
• AWS Lambda and serverless application development
• Designing applications using a serverless architecture
• AWS services and how they can be combined to build scalable solutions
• Event-driven architectures and asynchronous processing
• API-based integrations and service-to-service communication
• Managing application configuration, environments and deployments within AWS
• Cloud security and appropriate access-control principles
• Monitoring, logging and troubleshooting cloud-based applications
• Designing solutions for reliability, scalability and cost efficiency
• Experience with additional AWS services such as API Gateway, DynamoDB, S3, SQS, SNS, EventBridge, CloudWatch and IAM
• Experience with Infrastructure as Code, particularly AWS CDK, CloudFormation or Terraform
• Experience with Node.js and the wider TypeScript ecosystem
• Experience designing and developing RESTful or GraphQL APIs
• Experience with relational and/or NoSQL databases
• Experience with CI/CD pipelines and automated deployment processes
• Experience with containerisation and Docker
• Experience with event-driven architecture and messaging systems
• Familiarity with security best practices for cloud-based applications
• Experience with application monitoring, observability, logging and performance optimisation
• Experience working with large-scale or public-facing digital services
• Experience working within highly regulated or security-conscious environments

What the job involves

• We are looking for talented Backend Developers to join a digital delivery team working on services that make a real difference to people across the UK
• You will work as part of a multidisciplinary team of developers, designers, product managers, delivery professionals and technical specialists to build, improve and maintain secure, scalable and reliable digital services used by millions of people
• You will be responsible for designing and developing backend services and APIs, working with cloud-based technologies and serverless architectures to deliver robust and maintainable solutions
• This is an opportunity to work on meaningful public-facing technology while contributing to the continued development of modern government digital services
• Design, develop and maintain high-quality backend services using TypeScript
• Design and implement solutions using serverless architecture and cloud-native development principles
• Develop and maintain applications and services using AWS, including AWS Lambda
• Build secure, scalable and reliable APIs and backend services
• Translate user and business requirements into reliable, maintainable technical solutions
• Write clean, well-tested and maintainable code following modern software engineering practices
• Work collaboratively with frontend and mobile developers, designers, product managers, QA professionals and other technical specialists within an agile multidisciplinary team
• Participate in technical discussions, code reviews and architectural decision-making
• Develop automated tests and contribute to continuous integration and continuous delivery processes
• Investigate and resolve technical issues, defects, performance problems and production incidents
• Consider security, accessibility, privacy, resilience, scalability and performance throughout the development lifecycle
• Contribute to technical documentation and knowledge sharing within the team
• Help establish and ma…