Cognizant
AWS Software Engineer (Node.js/TypeScript)
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About the Role
We are seeking a talented and forward-thinking AWS Cloud Engineer to join our engineering team. You will be instrumental in designing, building, and operating cloud-native applications and internal platforms on AWS, leveraging modern serverless and event-driven architectures. This is a hands-on role for an engineer who thrives on automation, clean code, and delivering production-grade software at pace.
You will work closely with product, platform, and DevOps colleagues to deliver scalable backend services and infrastructure, owning your work end-to-end from design through to deployment and monitoring.
Note: This role is based in Nottingham and you will need to travel into the office 3 days a week.
Key Responsibilities
Backend Engineering & AWS
- Design, build, and maintain serverless applications using AWS Lambda, API Gateway, DynamoDB, S3, SQS, and SNS.
- Write clean, maintainable, and well-tested TypeScript and/or Node.js code across microservices and event-driven workloads.
- Own the full development lifecycle of features: requirements, design, implementation, testing, deployment, and incident response.
- Build and maintain RESTful and event-driven APIs, ensuring performance, reliability, and security best practices.
- Manage and optimise DynamoDB data models and S3-based data pipelines to support scalable and cost-effective storage patterns.
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Infrastructure as Code & CI/CD
- Define, deploy, and manage cloud infrastructure using AWS CDK, CloudFormation, or Terraform in a multi-environment AWS estate.
- Maintain and improve CI/CD pipelines using Jenkins, GitHub Actions, or equivalent tooling to support frequent, reliable releases.
- Champion infrastructure automation standards, ensuring consistency and repeatability across dev, staging, and production environments.
- Contribute to platform reliability through proactive monitoring, alerting, and observability tooling (CloudWatch, X-Ray, or equivalent).
Security, Governance & IAM
- Configure and manage AWS IAM roles, policies, and permission boundaries following least-privilege principles.
- Ensure platform components meet internal security standards, contributing to security reviews and audit requirements as needed.
- Apply best practices for secrets management using AWS Secrets Manager or Parameter Store.
Collaboration & Delivery
- Work in an Agile team environment, participating in sprint planning, stand-ups, retrospectives, and technical design sessions.
- Collaborate with stakeholders across product, data, and infrastructure to deliver end-to-end platform capabilities.
- Contribute to internal documentation, runbooks, and architectural decision records (ADRs).
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Required Skills & Experience
- Strong, demonstrable experience in Node.js and/or TypeScript and JavaScript — including modern ES features, async patterns, and type-safe design.
- Strong hands-on experience with Infrastructure as Code tools — specifically AWS CDK, CloudFormation, or Terraform — in production environments.
- Strong experience writing automated and unit tests using Jest or an equivalent testing framework, with a commitment to quality engineering.
- Comfortable designing, building, and running core AWS services: Lambda, DynamoDB, IAM, S3, and associated integration services.
- Practical experience with CI/CD platforms such as Jenkins, GitHub Actions, CircleCI, or equivalent to automate build, test, and deploy pipelines.
- Solid understanding of cloud security fundamentals — IAM, least-privilege access, secrets management, and secure API design.
- Ability to work in a cross-functional Agile team, contributing to planning, design, and delivery across the full software lifecycle.
- AWS certifications (e.g. Solutions Architect, Developer Associate, or DevOps Engineer Professional).
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