Company logo

QA Engineer




Tel Aviv, Israel

ONE ZERO is seeking a skilled Quality Assurance (QA) engineer to join our team. This position entails developing and designing comprehensive tests, implementing these tests, identifying bugs, and outlining necessary corrective actions. Additionally, the role involves reviewing system requirements and monitoring key quality assurance metrics, such as defect densities and open defect counts.


  • Develop and execute testing plans leveraging comprehensive knowledge of complex system business logic
  • Conduct research and comparisons of LLM models 
  • Conduct end-to-end (E2E) testing of services and LLM models with a holistic understanding of the entire system
  • Analyze and debug logs and traces
  • Investigate issues in production environments
  • Work closely with Product and R&D teams to guarantee the delivery of high-quality products
  • Identify and track defects from discovery to resolution


  • At least 3 years of experience in a Quality Assurance Engineer role
  • Proficiency in QA processes and methodologies, including test planning, design, strategy, and execution
  • Experience with API testing tools such as Postman and Playground
  • Ability to read logs and identify critical information
  • Experience in testing LLM models is highly advantageous
  • Strong analytical abilities and problem-solving skills
  • Ability to multitask and manage time effectively 
  • Self-motivated and capable of dealing with ambiguity to resolve problems
  • Experience with project management tools such as Jira and TFS
  • Fluent in English, both verbally and in writing


  • a background in fintech is considered a significant advantage