AWS Java Modernisation Lead — Hybrid Microservices Architect

N Consulting Global; Greater London; Hybrid; GBP 90,000 - 140,000; Full time

Job summary

NCONS Talent Solutions is hiring an AWS Technology Lead to transform a Java monolith into an AWS-native solution. The role is London-based (Holborn), hybrid, permanent/contract, with 12–15+ years experience context.

You will design target architecture, code and review, and guide the engineering team and client conversations from start to finish, leveraging Java, Spring Boot and AWS services to deliver scalable outcomes.

Qualifications

• 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.
• 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.

Responsibilities

• 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.

Skills

Java

Spring Boot

TypeScript

Python

CI/CD

Docker

Kubernetes

Tools

Terraform

CloudFormation

Jenkins

GitHub Actions

Job description

NCONS Talent Solutions is hiring an AWS Technology Lead to transform a Java monolith into an AWS-native solution. The role is London-based (Holborn), hybrid, permanent/contract, with 12–15+ years experience context.

You will design target architecture, code and review, and guide the engineering team and client conversations from start to finish, leveraging Java, Spring Boot and AWS services to deliver scalable outcomes.