Senior AWS Migration Engineer

Senior AWS Migration Engineer, contract, outside IR35, London & remote Senior AWS Migration Engineer to join our team on a contract basis. You will play a key role in planning, executing, and optimizing cloud migration projects, specifically leveraging the full AWS service stack with a strong emphasis on serverless technologies like Lambda. This role is ideal for an engineer passionate about cloud architecture, hands-on delivery, and solving complex migration challenges at scale. Key Responsibilities Lead the end-to-end migration of applications, databases and services from on-premises or other cloud environments to AWS. Architect and design serverless and traditional cloud-native solutions utilizing AWS Lambda, API Gateway, DynamoDB, Step Functions, and related services. Implement and optimize AWS infrastructure services (EC2, S3, RDS, VPC, CloudFormation, IAM, ECS, EKS, etc.). Collaborate with stakeholders to analyze current application architecture, design migration strategies, and create detailed migration runbooks. Automate infrastructure deployment and management through Infrastructure as Code (IaC) using CloudFormation, Terraform, or CDK. Ensure high availability, scalability, performance, and security of AWS-hosted applications. Troubleshoot migration issues and optimize the transition process. Provide documentation, technical guidance, and mentorship to internal teams. Contribute to cloud best practices, governance, and optimization frameworks. Key Skills and Experience Proven track record (5 years) delivering complex AWS cloud migration projects at an enterprise level. Deep hands-on experience with AWS Lambda and serverless architecture patterns. Strong expertise across the full AWS services ecosystem (eg, EC2, S3, RDS, VPC, IAM, ECS, EKS, SQS, SNS, CloudWatch, CloudTrail, etc.). Proficient in Infrastructure as Code (CloudFormation, Terraform, or AWS CDK). Experience with AWS migration tools (AWS Migration Hub, DMS, SMS, Application Migration Service). Strong knowledge of security best practices, networking, and cost optimization on AWS. Ability to write high-quality Python, Node.js, or Java code for AWS Lambda functions. Familiar with CI/CD pipelines, DevOps practices, and automation (AWS CodePipeline, CodeBuild, Jenkins, etc.). Excellent problem-solving skills and ability to work independently in a contractor capacity. Strong communication and stakeholder management skills. Nice to Have AWS Certifications (eg, AWS Certified Solutions Architect Professional, AWS Certified DevOps Engineer, AWS Certified Migration Specialist). Familiarity with containerization (Docker, Kubernetes, AWS Fargate). Previous experience in highly regulated environments (finance, healthcare, online commerce) aws awasmigration awsengineer Location London & remote working Job Type Contract Reference JSswx5164651AWS Start Date asap Duration 6 months initial, likely long term extensions Rate/Salary market rates, outside IR35 Visa Requirement Applicants must be eligible to work in the specified location