Senior QA Automation engineer (Core media)
We are building a distributed service that handles over 150 million calls per week and provides simultaneous access to telephony services to over 700,000 of our users. To create and maintain our own operation components (Session Border Controller, Network Load Balancing Router). To further develop and extend the range of projects we are looking for a QA Engineer to join our team.
The team is developing the following projects:
SBC - SIP Session Border Controller, a solution located at the edge between the Internet and the intranet, the goal of the project is to provide a reliable entry point for all client devices and applications;
Network Load Balancing Router - Internet to intranet edge solution, a distributed L3 / L4 router to balance traffic from client devices to the SBC. The solution is based on eBPF/XDP technology.
Media Resource Broker - Component of the system that manages media resources and makes a brokering function between demanders.
Media Engine - a realtime network audio converter. The solution is based on RTP and gRPC.
You will be required to:
- Participate in the development of high load server systems running 24/7;
- Analyze requirements, develop test strategy and test cases design;
- Document defects, find ways to reproduce and verify fixes;
- Support the product being created throughout the release cycle;
- Write and run test cases;
- Deploy, update and maintain test environments;
- Analyze software logs for presence of errors.
We expect:
- 5+ years' experience in server software testing;
- Understanding of QA as a quality assurance process, knowledge of software testing processes and methodologies;
- Skills in working with functional and nonfunctional requirements;
- Experience of working with Linux distributions;
- Experience of software test automation (Go/Python and others);
- English level at least Pre-Intermediate;
- Knowledge of GitLab CI/CD and Kubernetes.
- Practical experience in network troubleshooting (TCP/IP, UDP, HTTP/S, DNS; packet analysis with Wireshark, connectivity checks, port debugging)
Will be an advantage:
- Experience in VoIP telephony (working with SIP protocol, network traffic analysis);
- Experience in distributed systems testing;
- Experience in SBC or SIP-proxy testing;
- Understanding of VoIP SIP/SDP, RTP protocols;
- Knowledge of HTTP protocol;
- Knowledge of Kibana.
We offer:
- Well-coordinated professional team;
- Cutting edge technologies, interesting and challenging tasks, dynamic project, great opportunities for self-realization, professional and career growth;
- Additional Health and Life Insurance Package;
- Employee Assistance Program;
- 25 vacation days;
- This role requires on-site presence at our office 4 days a week to support effective collaboration and teamwork.
