Backend & AI Test Engineer

About this role

About Avaron AB

Avaron helps you find assignments that match your skills and ambitions. As a permanently employed consultant with us, you get competitive terms – combined with the variety and growth that a consulting career offers. About the Assignment You will join a cross-functional team building an AI-powered service that helps users quickly detect and understand machine health deviations. The solution combines backend services, data flows, and AI/ML components in a complex industrial environment where quality, reliability, and robustness are critical. You will work closely with data scientists, backend developers, and product specialists, and you will have the opportunity to influence test strategy, coverage, and architectural quality across the full product lifecycle. This is an exciting assignment if you want to work with modern backend, data, and AI testing in a setting where your contribution has clear impact from the start. Job DescriptionYou design, implement, and maintain manual and automated test suites for backend and platform services. You execute functional, regression, integration, and performance testing across backend components. You validate data ingestion, ETL pipelines, and data transformations across batch and streaming architectures. You ensure the correctness and integrity of sensor and time-series data flowing through the platform. You test AI/ML inference pipelines, including feature generation, model integration, and output correctness. You reproduce, diagnose, and document defects with clear traceability and actionable detail. You build and maintain CI/CD pipelines with integrated automated test execution. You prepare and improve test setups in cloud-based environments using Docker and AWS. You contribute to backlog refinement, testability, acceptance criteria, and continuous improvements in Agile ways of working. RequirementsAt least 3–5 years of experience in software testing. Experience in backend-oriented testing within complex or i