Software Quality Control Engineer

Lenme is seeking a detail-oriented and highly motivated Software Quality Control Engineer to ensure the delivery of high-quality scalable and reliable software products. This role involves end-to-end testing across web and mobile applications API validation frontend-automation and performance testing within an Agile environment.
Key Responsibilities

- Execute manual testing across web and mobile applications identifying critical defects and improving functionality usability and responsiveness across platforms.
- Perform API testing using Postman validating request/response accuracy status codes and error handling to ensure seamless system integrations.
- Conduct frontend testing including validating UI/UX flows cross-browser compatibility and responsive design behavior.
- Develop and maintain automated test scripts for frontend workflows including mobile UI automation using tools such as Maestro.
- Design document and execute comprehensive test cases and test plans aligned with product requirements and business logic.
- Track manage and report defects using tools such as Bitrix ensuring timely resolution and improved product quality.
- Perform database validation using complex SQL queries to verify data accuracy integrity and consistency across systems.
- Design and execute performance testing scenarios (load stress spike endurance testing) to evaluate system scalability and reliability:
- Simulate concurrent users
- Monitor response times throughput and error rates
- Identify bottlenecks and performance risks
- Collaborate closely with developers product managers and QA teams in an Agile environment.
- Actively participate in Agile ceremonies including sprint planning daily stand-ups sprint reviews and retrospectives.
- Contribute to test strategy requirement analysis and continuous improvement of QA processes.
Requirements- Bachelors degree in Computer Science Engineering or related field
- 2 years of experience in software quality assurance or testing
- Strong experience with manual testing of web and mobile applications
- Hands-on experience with API testing tools (e.g. Postman)
- Solid understanding of frontend testing and UI validation
- Experience writing automation scripts for frontend-flows (Maestro or similar tools preferred)
- Proficiency in SQL for database validation
- Familiarity with bug tracking tools (e.g. Bitrix Jira or similar)
- Knowledge of performance testing concepts and tools
- Experience working in Agile/Scrum environments
Benefits- Opportunity to work on scalable high-impact products
- Collaborative and innovation-driven work environment
- Career growth and learning opportunities within Lenme

Required Skills:

1 year building real apps (not just tutorials) Experience with React Native in production You can take a feature from idea shipped Youre comfortable figuring things out without waiting for instructions You care about speed quality and user experience. You want to work in a startup not a corporate environment