Kryptos Technologies limited
Kryptos Technologies limited

AWS QA Engineer ( App Modernization & AI driven Testing)

London, United Kingdom (hybrid)
Contract
Engineering

Tasks

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
Updated: 4 hours ago
Job ID: 16308705
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Kryptos Technologies limited

11-50 employees
Technology, Information and Internet
  1. AWS QA Engineer ( App Modernization & AI driven Testing)