Middle Backend Developer

Job Overview

Are you a software engineer who enjoys working on complex backend challenges in large-scale systems?

ServerCore team develops and maintains critical core services. We work on code that handles game clusters, manages game realm connectivity, stores player data, manages player inventory and assets, distributes game sessions in the most optimized way, and integrates server with external services. Given the large number of concurrent players, our work is important for ensuring stability, and a smooth gaming experience.

As a cohesive team, we value cooperation and problem-solving. If you're passionate about high-load systems and want to shape the future of a globally connected game, we would love to hear from you!

Why This Role?

• While our core services are primarily developed in Python, we welcome candidates with strong backend experience in any language and a willingness to adapt
• You’ll work on high-performance infrastructure services that support tens of thousands of concurrent players, solving challenges in scalability and efficiency
• You’ll be involved in modernizing the technology stack, transitioning from custom solutions to widely adopted industry standards
• You’ll join a team with a code review and design review culture that prioritizes engineering excellence and best practices

Reports to

Server Core Lead

What will you do?

• Develop and improve core services that power our game backend
• Participate in transition from our custom legacy solutions to a modern, standardized tech stack
• Collaborate with teammates on code reviews and design reviews to maintain clean, efficient, and scalable code
• Develop technologies to seamlessly integrate core servers and configuration sources with other services

What are we looking for?

• 3+ years of hands-on experience in backend/server development with one or more object-oriented programming languages (Java, C#, C++, Python, Kotlin, etc.)
• 1+ years of experience in distributed systems
• Strong foundation in object-oriented design
• Strong data structure, logic, and algorithm skills
• Basic understanding of system architecture approaches
• Confident English communication (written and spoken)

What additional skills will help you stand out?

• Familiarity with professional software engineering principles and best practices across the entire development lifecycle

Work mode

• Hybrid (3 days of work from the office)
• This role isn't eligible for relocation support

Benefits

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

• Annual leave of 20 working days (additional days based on years of service at Wargaming: up to 25 days)
• 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