AWS Technology Lead - AWS Cloud Modernization & Platform Engineering in City of London

AWS Technology Lead - AWS Cloud Modernization & Platform Engineering in City of London

City of London Full-Time 63000 - 77000 Β£ / year (est.) Home office (partial)
I

At a Glance

  • Tasks: Lead the transformation of legacy applications into cloud-native AWS solutions.
  • Company: Join a leading tech firm in London with a hybrid work culture.
  • Benefits: Attractive salary, flexible working, and opportunities for professional growth.
  • Other info: Dynamic role with opportunities to mentor and lead diverse teams.
  • Why this job: Make a significant impact by modernising enterprise applications with cutting-edge technology.
  • Qualifications: 12-15+ years in AWS architecture, Java engineering, and technical leadership.

The predicted salary is between 63000 - 77000 Β£ per year.

Location: London, UK – Hybrid

Address: Holborn Viaduct, London EC1A 2FD

Experience: 12–15+ years

Role Summary

We are seeking a senior, hands-on AWS Technology Lead / Solution Architect to lead a large-scale application modernization programme, transforming legacy Java enterprise applications into scalable, secure and cloud-native AWS solutions. The role combines AWS architecture, Java engineering, serverless, containers, database architecture/DBA, DevOps, platform engineering and customer-facing technical leadership. The ideal candidate must be able to move between architecture workshops, hands-on engineering, DynamoDB/Aurora PostgreSQL, CI/CD, production readiness and technical team leadership.

Key Responsibilities

  • AWS Cloud & Application Modernization
    • Lead modernization of enterprise Java applications into AWS cloud-native, microservices and event-driven architectures.
    • Define target architecture, modernization roadmap, transition states and technical standards.
    • Drive API-first, Domain-Driven Design (DDD), microservices and serverless adoption.
    • Design and implement ECS, Fargate, Docker, ECR, Lambda, API Gateway, EventBridge, SQS, SNS and Step Functions.
    • Implement AWS security, networking, monitoring and operational services including IAM, VPC, CloudWatch, CloudTrail, S3, Secrets Manager, Route 53 and PrivateLink.
  • Java / Software Engineering
    • Provide hands-on technical leadership across Java 11/17+, Spring Boot, Spring Cloud, REST APIs, Python and TypeScript.
    • Guide teams in microservices, distributed systems, asynchronous integration and fault-tolerant design.
    • Conduct architecture/code reviews and contribute to POCs, technical spikes and complex defect resolution.
    • Establish coding standards, design patterns and secure development practices.
  • Database Architecture & DBA
    • Strong hands-on expertise with Amazon DynamoDB and Amazon Aurora PostgreSQL/PostgreSQL.
    • Design DynamoDB data models, including partition keys, sort keys, GSI/LSI, TTL, Streams and Global Tables.
    • Troubleshoot DynamoDB hot partitions, throttling, performance and cost issues.
    • Design Aurora PostgreSQL schemas, indexing, partitioning and high-availability solutions.
    • Perform SQL tuning, execution-plan analysis and query optimization.
    • Handle backup, recovery, replication, failover, patching and disaster recovery.
    • Lead database migrations from Oracle, MySQL, PostgreSQL or other legacy platforms.
  • DevOps & Platform Engineering
    • Design and govern CI/CD using Jenkins, Git, GitHub Actions, AWS CodePipeline and CodeBuild.
    • Implement infrastructure automation using Terraform and/or CloudFormation.
    • Establish automated testing, security scanning, code quality and release controls.
    • Define monitoring, logging, tracing, alerting and SLO practices.
    • Drive DevSecOps and continuous improvement.
  • Technical & Customer Leadership
    • Act as the primary technical contact for customer architects and engineering/programme stakeholders.
    • Lead discovery sessions, architecture workshops, design reviews and technical governance.
    • Translate business requirements into scalable technical solutions.
    • Communicate architecture decisions, risks, dependencies and delivery status to technical and executive stakeholders.
    • Lead and mentor architects, developers, DevOps/cloud engineers and database specialists.

Mandatory Skills

  • AWS Architecture
  • Amazon ECS / Fargate
  • AWS Lambda / API Gateway
  • Event-driven architecture
  • Microservices / Distributed systems
  • Java 11/17+, Spring Boot, Spring Cloud
  • REST APIs
  • Python / TypeScript
  • DynamoDB – strong hands-on
  • Aurora PostgreSQL / PostgreSQL – strong hands-on DBA
  • SQL tuning and database performance optimization
  • Data modelling and database migration
  • Docker
  • Jenkins / Git / CI/CD
  • Terraform and/or CloudFormation
  • AWS security and monitoring
  • Architecture governance and technical leadership
  • Customer/stakeholder management

AWS Technology Lead - AWS Cloud Modernization & Platform Engineering in City of London employer: Infinity Quest

As a Senior SAP Consultant at our company, you will thrive in a dynamic and supportive remote work environment that prioritises employee growth and development. We offer competitive benefits, a collaborative culture, and opportunities to lead innovative projects that make a real impact on our clients' success. Join us to advance your career while working with cutting-edge technologies and a team of dedicated professionals committed to excellence.

I

Contact Details:

Infinity Quest Recruitment Team

We think you need these skills to ace AWS Technology Lead - AWS Cloud Modernization & Platform Engineering in City of London

AWS Architecture
Java 11/17+
Spring Boot
Spring Cloud
REST APIs
Python
TypeScript