N Consulting Global
AWS Technology Lead — Java Modernisation
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We're hiring: AWS Technology Lead — Java Modernisation
London (Holborn), hybrid · [Permanent / Contract] · 12–15+ years
NCONS Talent Solutions is looking for a hands-on AWS Technology Lead to take a monolithic Java application running on EC2 and rebuild it as an AWS-native solution.
This is a builder-leader role. You will design the target architecture, write and review code, and lead the engineering team and client conversations from start to finish.
What you'll do
- Analyse the existing monolith (code, dependencies, data) using Kiro and other AI-assisted tools
- Design the target architecture: microservices on ECS/Fargate or EKS, Lambda, API Gateway, event-driven services (SQS, SNS, EventBridge)
- Plan a phased migration (strangler fig pattern) with no disruption to the live system
- Lead database migration and tuning across Aurora PostgreSQL, RDS and DynamoDB
- Build CI/CD and infrastructure as code with Jenkins or GitHub Actions, Docker and Terraform/CloudFormation
- Write and review Java, Spring Boot and TypeScript code
- Run client workshops, present design decisions and mentor engineers across distributed teams
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What you'll bring
- Proven lead role on a Java monolith to AWS microservices modernisation, beyond lift-and-shift
- Recent hands-on Java / Spring Boot, plus TypeScript or Python
- Strong AWS architecture experience: ECS/EKS, Fargate, Lambda, API Gateway, S3, RDS, DynamoDB
- Hands-on database skills: data modelling, SQL tuning, migration, backup and recovery
- Terraform or CloudFormation, CI/CD, automated testing and security scanning
- Clear communication with technical and business stakeholders
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Nice to have
- Experience with Kiro, Amazon Q Developer or other AI coding tools
- AWS Certified Solutions Architect or DevOps Engineer – Professional
- Background in logistics, retail, financial services or manufacturing
Interested? Apply via [link] or send your CV to [email]. Please include a short note on the modernisation programme you're proudest of and the part you personally built.
You must have the right to work in the UK.
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