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

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

Location : London ,UK (3 Days/week)

Job Type : Contract (Duration 4-6 months)

Role Overview

We are seeking an experienced AWS QA Engineer to support cloud-native application modernization programs. You will validate serverless and event-driven systems on AWS, build automated test frameworks, and leverage AWS Kiro for AI-assisted testing and quality engineering.

Key Responsibilities

1. Functional & Automation Testing

Design and execute test strategies for AWS Lambda, API Gateway, EventBridge, Kinesis, DynamoDB, and S3. Automate validation of APIs, event flows, and data persistence.

1. Event-driven & Streaming Validation

Test Kinesis ingestion/processing and EventBridge orchestration, ensuring end-to-end workflow integrity across microservices.

1. Application Modernization Testing

Support testing of legacy-to-cloud-native migrations, including functional, regression, SIT, and integration testing for API-first architectures.

1. AI-driven Testing

Use AWS Kiro to accelerate test case generation, test data creation, automated validation, and defect detection.

1. Performance, Reliability & Security Testing

Execute load, resilience, and failure-scenario testing; validate IAM, authentication flows, data integrity, and system reliability.

1. Automation & DevOps Integration

Build automated testing frameworks and integrate tests into CI/CD pipelines for continuous validation of serverless and event-driven systems.

1. Collaboration & Communication

Work closely with developers, architects, and stakeholders on design reviews, test planning, defect triage, and quality reporting.

Required Skills & Experience

Core AWS & QA Skills

• Strong QA and automation testing experience for cloud applications
• Hands-on expertise with AWS Lambda, EventBridge, Kinesis, API Gateway, DynamoDB, and S3
• Experience testing serverless and event-driven architectures

Automation & Tools

• Experience with automation frameworks such as Jest, Java/Spring Boot, or similar
• Proficiency with API testing tools (Postman, REST clients)
• Ability to build automated test suites and validate JSON-based API/event payloads
• BDD/Cucumber knowledge is a plus

Modernization & Integration Testing

• Experience testing microservices and API-first systems
• Strong understanding of distributed-system integration and data validation

AI & DevOps

• Exposure to AI-assisted testing tools, ideally AWS Kiro
• Experience integrating tests into CI/CD pipelines (GitHub Actions, Jenkins)
• Familiarity with CloudWatch and Infrastructure as Code validation (CDK)

Soft Skills

• Strong analytical and problem-solving ability
• Excellent communication and collaboration skills
• Detail-oriented with a strong quality mindset

Preferred Qualifications

• AWS Certified Developer or Cloud Practitioner
• Experience with Kafka/MSK, performance testing, and security testing tools
• Exposure to enterprise-scale AWS modernization programs