AWS Lambda QA Tester for Middleware Integration

Our client is developing a cloud-based middleware application on AWS that integrates Apache Kafka with Creatio CRM within the telecommunications industry.

AWS LAMBDA EXPERIENCE IS A MUST HAVE!!

NOT LESS THAN 4 YEARS EXPERIENCE IN AWS LAMBDA REQUIRED!!

ALSO MUST HAVE TESTING EXPERIENCE MORE THAN 4 YEARS!!

The middleware is designed to enable a reliable, near real-time data exchange between both systems. A key objective of the project is to ensure that data is accurately mapped, transformed, validated, and synchronized, maintaining high data quality and consistency across platforms.

The solution operates in a distributed, event-driven architecture, requiring robust quality assurance to guarantee stability, performance, and correctness of data flows under production-like conditions.

• Work Location: Fully remote
• Start Date: February 2, 2026
• Duration: Minimum 4 months
• Workload: 2.5 days per week
• Project Language: English
• Industry: Telecommunications
• Technology Environment: AWS, Apache Kafka, Creatio CRM

Role: QA Tester (AWS / Middleware Integration)

The QA Tester will play a critical role in ensuring the quality, reliability, and correctness of the middleware integration between Kafka and Creatio CRM.

Key Responsibilities

• Design, execute, and maintain test cases and test scenarios for middleware-based integrations
• Validate data mapping, transformation, and synchronization between Apache Kafka and Creatio CRM
• Perform functional, integration, and regression testing in an AWS environment
• Test event-driven and near real-time data flows, including error handling and retry mechanisms
• Validate data consistency, completeness, and accuracy across systems
• Support end-to-end testing across distributed components
• Analyze logs, messages, and monitoring data to identify defects and root causes
• Collaborate closely with developers, architects, and stakeholders in an agile setup
• Support test activities during releases and deployments in AWS

Required Skills & Experience (Indicative)

• Strong experience in QA / Software Testing for integration or middleware projects
• Hands-on experience with AWS-based environments
• Solid understanding of Apache Kafka concepts (topics, producers, consumers, messages)
• Experience testing data-driven and event-based architectures
• Familiarity with CRM systems, ideally Creatio or comparable platforms
• Experience with test documentation and defect tracking tools
• Very good English communication skills