Product Test Engineer

Key Responsibilities

• Analyze business and functional requirements, identify test scenarios, and ensure comprehensive test coverage.
• Prepare, execute, and maintain test plans, test cases, and test strategies across product releases.
• Perform functional, integration, regression, system, and end-to-end testing of telecom and VAS products.
• Develop and maintain automated test suites using industry-standard test automation frameworks and tools.
• Conduct API testing and validate integrations with external and internal systems.
• Perform unit, performance, load, and reliability testing to ensure product stability and scalability.
• Troubleshoot issues, perform root cause analysis, and collaborate with development teams for timely resolution.
• Configure, deploy, and validate applications across Linux and virtualized environments.
• Create and monitor dashboards, logs, and reports to proactively identify system issues.
• Participate in Agile ceremonies and contribute to continuous improvement of testing processes and product quality.
• Ensure adherence to quality standards, security guidelines, CI/CD processes, and release management practices.
• Collaborate with customers, project teams, and stakeholders for requirement clarification and issue resolution.
  
  

• Strong understanding of Software Development Life Cycle (SDLC), requirement analysis, and test planning.
• Experience with scripting languages such as Python, Perl, or Shell scripting.
• Hands-on experience with relational databases such as MySQL, Oracle, or MariaDB.
• Strong knowledge of testing concepts, test execution, defect lifecycle management, and quality assurance processes.
• Experience with unit testing, load testing, code coverage, and debugging tools such as JUnit, JMeter, JaCoCo, GDB, or similar.
• Hands-on experience with test automation tools such as Selenium, Robot Framework, Postman, Rest Assured, Appium, or equivalent.
• Good understanding of operating systems, particularly Linux.
• Experience working with Redis, MongoDB, or other in-memory database technologies.
• Knowledge of monitoring and observability tools such as Grafana, Kibana, ELK, Nagios, or similar platforms.
• Experience with CI/CD tools and DevOps practices including Jenkins, SonarQube, build tools, and automated deployment pipelines.
• Understanding of cloud technologies and deployment environments.
• Familiarity with security testing tools and secure development practices.
• Knowledge of VAS product environments and testing methodologies.
• Strong analytical, troubleshooting, and debugging skills.
  
  

• Hands-on experience with Java, Python, PHP, JavaScript, Shell, AWK, or Perl development.
• Knowledge of web servers such as Tomcat, Apache HTTPD, or Nginx.
• Experience with containerization technologies such as Docker and Kubernetes.
• Understanding of networking, clustering, and distributed systems concepts.
• Knowledge of GSM, 3G, 4G, and 5G network architecture and telecom ecosystems.
• Familiarity with telecom protocols such as SS7, SIGTRAN, IP, TCAP, SCCP, M3UA, SCTP, SMPP, DIAMETER, and RADIUS.
• Experience in advanced troubleshooting, performance analysis, and root cause analysis.
• Working knowledge of Agile methodologies and Scrum practices.
• Exposure to NoSQL databases and distributed data platforms.
• Understanding of software architecture principles, design patterns, and release management processes.
• Customer-facing experience and stakeholder management skills.