Tech Lead - AWS Modernisation (Remote, Outside IR35)

Tenth Revolution Group; Greater London; Remote; GBP 74,000 - 83,000; Full time

Job summary

Tenth Revolution Group is seeking an experienced Technology Lead to drive AWS‑modernisation for a large enterprise estate. You will shape cloud-native strategies, transition monoliths to microservices and serverless on AWS, and lead both architecture and hands-on delivery.

You will mentor engineering teams, define standards, and collaborate with stakeholders to ensure security, scalability and operational excellence across the transformation.

Qualifications

• Strong AWS architecture and engineering experience.
• Experience with enterprise application modernisation and cloud migration.
• Java and Spring Boot development background.
• Microservices and event-driven architecture design.
• Containerisation using Docker, ECS and Fargate.
• Serverless technologies including Lambda and API Gateway.
• DynamoDB and PostgreSQL database design and optimisation.
• CI/CD, DevOps and Infrastructure as Code.
• Terraform and/or CloudFormation.
• Technical leadership and stakeholder management experience.
• Comfortable operating in both strategic and hands-on delivery capacities.

Responsibilities

• Lead end-to-end application modernisation initiatives across complex enterprise environments.
• Define target-state architecture, technical standards and delivery roadmaps.
• Drive adoption of microservices, event-driven architectures and API-first design principles.
• Conduct architecture reviews and ensure solutions meet security, scalability and operational requirements.
• Provide technical leadership throughout discovery, design, build and migration phases.
• Design and implement solutions using AWS services including ECS, Fargate, Lambda, API Gateway, EventBridge, SQS and SNS.
• Deliver containerised and serverless workloads following cloud-native best practices.
• Define monitoring, observability, security and resilience standards.
• Support troubleshooting, performance optimisation and production readiness activities.
• Provide hands-on technical leadership across Java, Spring Boot and modern application development practices.
• Review code, establish engineering standards and mentor development teams.
• Guide the design of distributed systems, integrations and scalable application architectures.
• Support proofs-of-concept, technical investigations and critical delivery challenges.
• Design and optimise solutions using DynamoDB, PostgreSQL and AWS database services.
• Support database migration, performance tuning and operational best practices.
• Develop scalable data models and ensure solutions meet performance and resilience requirements.
• Provide guidance on selecting appropriate database technologies based on business needs.
• Drive CI/CD adoption and automation initiatives.
• Implement Infrastructure as Code using Terraform and/or CloudFormation.
• Establish release, deployment and environment management processes.
• Promote DevSecOps practices across development and operations teams.
• Act as the primary technical lead for customer-facing discussions.
• Run workshops, architecture reviews and technical design sessions.
• Communicate technical decisions and project progress to both technical and non-technical stakeholders.
• Provide mentorship and leadership across multidisciplinary delivery teams.

Skills

AWS architecture

Java / Spring Boot

Docker

ECS / Fargate

Lambda / API Gateway

Terraform / CloudFormation

CI/CD / DevOps

Stakeholder leadership

Tools

Terraform

CloudFormation

PostgreSQL

DynamoDB

SQS / SNS

API Gateway

Job description

Tenth Revolution Group is seeking an experienced Technology Lead to drive AWS‑modernisation for a large enterprise estate. You will shape cloud-native strategies, transition monoliths to microservices and serverless on AWS, and lead both architecture and hands-on delivery.

You will mentor engineering teams, define standards, and collaborate with stakeholders to ensure security, scalability and operational excellence across the transformation.