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AWS QA Engineer (App Modernization & AI-driven Testing)

Duration: 4 -6 months

Location: London -Hybrid (3 Days onsite)

Role Overview

We are seeking a skilled AWS QA Engineer with strong experience in testing serverless and event-driven architectures. The role focuses on validating modern cloud-native applications built on AWS, ensuring high quality across application modernization programs, while leveraging AI-assisted testing using AWS Kiro.

Key Responsibilities

Functional & Automation Testing (AWS Serverless)

• Design, develop, and execute test strategies and test cases for applications built on:

  
  



• AWS Lambda, API Gateway

  
  



• Amazon EventBridge

  
  



• Amazon Kinesis Data Streams

  
  



• Validate event-driven and streaming workflows, including message processing and data consistency.

  
  



• Develop automated test scripts to validate:

  
  



• API responses

  
  



• Event flows and triggers

  
  



• Data persistence in DynamoDB / S3

  
  

Event-driven & Streaming Validation

• Create and execute test scenarios for:

  
  



• Kinesis stream data ingestion and processing

  
  



• Event orchestration via EventBridge

  
  



• Validate end-to-end workflows across microservices and serverless components.

  
  



• Perform integration testing and contract testing across services.

  
  

Application Modernization Testing

• Support testing for modernized applications (legacy → cloud-native).

  
  



• Perform:

  
  



• Functional testing

  
  



• Regression testing (pre/post migration comparison)

  
  



• System Integration Testing (SIT)

  
  



• Validate API-driven and microservices-based architectures [AWS Server...sting v1.0 | PowerPoint]

  
  

AI-driven Testing (Kiro)

• Leverage AWS Kiro for AI-assisted testing to improve productivity.

  
  



• Use AI for:

  
  



• Test case generation

  
  



• Test data preparation

  
  



• Automated validation and defect detection

  
  



• Contribute to AI-enabled quality engineering practices.

  
  

Performance, Reliability & Security Testing

• Execute:

  
  



• Performance and load testing for serverless workloads

  
  



• Resilience and failure scenario testing (event loss, retries, scaling)

  
  



• Validate:

  
  



• Security and access controls (IAM roles, authentication flows)

  
  



• Data integrity and system reliability

  
  

Automation & DevOps Integration

• Build and maintain automated testing frameworks for AWS workloads.

  
  



• Integrate testing into CI/CD pipelines.

  
  



• Enable automated validation for:

  
  



• Serverless APIs

  
  



• Event-driven systems

  
  



• Ensure continuous testing and fast feedback cycles.

  
  

Requirements

Required Skills & Experience

Core Testing & AWS Skills

• Strong experience in QA / Automation testing for cloud applications

  
  



• Hands-on experience with:

  
  



• AWS Lambda

  
  



• Amazon EventBridge

  
  



• Amazon Kinesis Data Streams

  
  



• API Gateway

  
  



• DynamoDB and S3

  
  



• Experience testing event-driven and serverless architectures

  
  



• Test Automation & Tools

  
  



• Experience with:

  
  



• Automation frameworks (Jest framework, Java/Springboot, or similar)

  
  



• API testing tools (Postman, REST clients)

  
  



• Ability to:

  
  



• Create automated test suites

  
  



• Validate JSON-based inputs/outputs for APIs and events

  
  



• Knowledge of:

  
  



• BDD frameworks (Cucumber - good to have)

  
  

Application Modernization Testing

• Experience in testing:


• Microservices architectures


• API-first systems


• Strong understanding of:


• Integration flows


• Data validation across distributed systems

AI & Innovation

• Exposure to:


• AI-assisted testing (AWS Kiro preferred)


• Test automation using GenAI tools


• Interest in driving AI-enabled QA practices

DevOps & Engineering Practices

• Experience integrating tests within:


• CI/CD pipelines (GitHub Actions, Jenkins)


• Familiarity with:


• Infrastructure as Code validation (CDK)


• Monitoring tools (CloudWatch)

Preferred Qualifications

• AWS Certified (Developer or Cloud Practitioner)


• Experience with:


• Streaming platforms (Kafka/MSK)


• Performance and security testing tools


• Exposure to enterprise-scale AWS modernization programs