Backend Developer - AWS/Typescript/Serverless Architecture/AWS Lambda

Overview

As a Backend Developer, you will design, build and maintain secure, scalable backend services and APIs. You’ll work in a multidisciplinary team to deliver cloud-native, serverless solutions used by millions, primarily for public-sector clients. You’ll translate user needs into robust technical solutions and contribute to modern software engineering practices. This role offers impact on government digital services and growth through hands-on, collaborative delivery. You join a culture focused on learning, value, and making a difference in society.

Pay / Benefits

• Autonomy to develop and grow
• Challenging, meaningful project work
• Leadership that inspires
• Supportive and collaborative environment
• Learning access via LinkedIn Learning
• Wellness programme and employee assistance

Responsibilities

• Design, develop and maintain backend services using TypeScript
• Implement serverless and cloud-native solutions
• Develop applications on AWS including AWS Lambda
• Build secure, scalable APIs and backend services
• Translate requirements into reliable, maintainable technical solutions
• Write clean, well-tested code following modern practices
• Collaborate with frontend/mobile teams, designers, product managers, QA and other engineers
• Participate in code reviews and architectural decisions
• Develop automated tests and contribute to CI/CD
• Investigate and resolve defects, performance issues and incidents
• Consider security, accessibility, privacy, resilience, scalability and performance throughout delivery
• Contribute to technical documentation and knowledge sharing
• Help establish development standards and best practices
• Mentor colleagues and support knowledge sharing

Key requirements

• Strong experience building backend services and APIs
• Proficiency in TypeScript
• Experience with serverless architecture
• Experience with AWS and AWS Lambda
• Understanding of event-driven and cloud-native architectures
• Experience designing secure, scalable backend services
• Experience with RESTful APIs and integrations
• Experience with automated testing (unit/integration)
• Experience with Git and modern workflows
• Understanding of clean code, modularity, maintainability, design patterns
• Experience diagnosing production issues
• Collaborative mindset
• Strong communication
• Problem-solving
• TypeScript
• Serverless architecture
• AWS (Lambda, API Gateway, DynamoDB, S3, SQS, SNS, EventBridge, CloudWatch)

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