Altimi is a technology acceleration partner with impressive experience spanning over 20 years, specializing in the successful delivery of software development projects for international customers. We are based in Poland. Our main area of operation is the DACH region and Scandinavia, where we are known for providing top-notch software development services. Our primary focus are managed services for companies seeking to accelerate growth, solve complex tech problems, build MVP/POC and/or modify legacy infrastructures. The main area of competence include Product & Application Engineering, DevOps, Cloud Security & Managed Services and AI & Data Enablement.  QA / Test EngineerAbout ProjectThe project involves taking over the maintenance and development of an existing billing and usage-tracking platform used for automated invoicing based on collected consumption data from infrastructure systems.The scope includes technical ownership of the current solution, implementation of system adaptation due to changes in the external contract management platform, and development of a new integration to ensure full continuity of billing processes.The platform consists of a data ingestion layer, database logic, backend API and internal frontend interface. Data is collected from multiple enterprise sources, normalized, and processed for invoice calculations. The project requires maintaining high accuracy of financial output, and seamless migration to the new integration endpoint within a defined MVP.Role OverviewThe QA Engineer is responsible for ensuring the quality and reliability of integration solutions through comprehensive testing strategies. This role focuses on validating end-to-end workflows, maintaining system stability, and supporting accurate data processing across integrated platforms. Responsibilities: Execute end-to-end testing (data collection → integration → billing results) Regression testing of backend components Create test scenarios for financial data validation and boundary cases Support performance testing for large data sets Requirements:Proven experience in backend/API testingNice to have·       SQL knowledge and automation experience We Offer MultiSport card LuxMed medical package Allianz group insurance Value-based work culture Flexible working hours and remote work options