Senior Performance QA Engineer (World of Warships, PC)

About the Position

We are looking for a Senior Performance QA Engineer with experience in GameDev to join our World of Warships PC team. This position is open in our Belgrade or Nicosia office.

In this role, you’ll focus on performance testing and automation, helping us identify performance bottlenecks and ensure a smooth and stable experience for our players. You’ll work closely with QA and development teams to investigate, analyze, and improve game performance.

If you’re enjoy sharing your expertise and learning from others, and want to contribute to the quality of a large-scale PC game, we’d love to hear from you.

Responsibilities

• Develop and maintain automated tests for functional, performance, and stability testing on Python
• Develop and maintain core functionality of the automation framework
• Analyze automated test results and investigate failures
• Performance testing and profiling of game client and backend services
• Maintain documentation for existing automated tests, frameworks, and tools
• Collaborate with other teams and provide support based on automated test results
• Participate in the development and maintenance of CI/CD pipelines and related tools
• Work with different teams as internal customers, understand their needs, and provide automation solutions
• Participate in code reviews and contribute to improving automation code quality

Requirements

• 3+ years of experience in Performance Testing or Performance QA
• 3+ years of experience in Automation QA or a similar position
• 1+ year of commercial experience in Python-based automated testing, including writing performance test suites using pytest
• Experience in Performance testing tools and frameworks (k6, load testing, profiling tools)
• Experience in analyzing and optimizing game performance (PC games)
• Experience with Elasticsearch for log collection and analysis
• Experience with CI/CD systems (Jenkins, TeamCity)
• Knowledge of PC architecture basics and component interaction (CPU, GPU, memory, disk I/O)
• Understanding of performance metrics: FPS, frame time, CPU/GPU utilization, memory consumption
• Knowledge of the theory and methods of software testing and performance testing methodologies
• Upper-Intermediate (B2) or higher English knowledge

Nice to Have

• Experience in game development or game engines (Unreal, Unity)
• Experience in log parsing and data analysis with pandas and NumPy
• Experience in Python profiling and optimization (cProfile, line_profiler)
• Experience with PostgreSQL performance analysis and query optimization
• Experience in Docker, docker-compose
• Experience in monitoring tools (Grafana, Prometheus)
• Experience with Python async/await and multiprocessing
• Experience in designing and maintaining performance test infrastructure
• Experience in Linux-based systems
• Mentoring experience in QA team

Work Mode

• This position is open in our Belgrade or Nicosia office
• During the probation period: onsite work
• After the probation period: onsite or hybrid (3 days per week in the office)
• This role is eligible for relocation & immigration support

We Offer

Benefits and perks are tailored to the local market and culture. Our benefits in Belgrade include:

• Additional vacation days based on years of service at Wargaming: up to 5 days on top of the statutory minimum
• Additional paid time off (5 Personal Days, Birthday Leave, Marriage Leave, Compassionate Leave)
• Sick Leave Compensation, Maternity Leave Benefits
• Premium Private Health Insurance
• Career development and education opportunities within the company
• English clubs and platform for learning languages
• Mental well-being program (iFeel)
• Commuting allowance
• Company events
• FitPass membership
• Discounts for employees
• Personal Gaming Account
• Coffee, fruits, and snacks in the office
• On-site canteen with subsidized prices for food and drinks
• Seniority Awards
• Referral program - you can recommend the best talents to the Company and receive a reward

About the Company

Wargaming is an award-winning online game developer and publisher headquartered in Nicosia, Cyprus. Operating since 1998, Wargaming has become one of the leaders in the gaming industry with 15 offices worldwide, including studios in Chicago, Prague, Shanghai, Tokyo, and Vilnius. Our diverse and multicultural team works together to deliver a top-class experience to millions of players who enjoy Wargaming's titles across all major gaming platforms. Our flagship products include free-to-play hits World of Tanks, World of Warships and World of Tanks Blitz.

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