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QLOC

Online Programmer

QLOC
Poland · Full-time · Not Applicable

QLOC offers first-class services for the video game industry. We love games and we love to co-develop games even more! Our broad range of services include development, art, testing, and localization. We offer first-class services for the biggest players in the video game industry EA, Capcom, Warner Bros., CD PROJEKT RED, Activision and BANDAI NAMCO Entertainment among many others. We work on the biggest gaming platforms, state-of-the-art technologies and games powered by Unreal Engine, or custom engines like Frostbite or REDengine. We have helped enhance and move Cyberpunk 2077, Mortal Kombat, Clair Obscur: Expedition 33, Dying Light: The Beast, Dark Souls Remastered, Europa Universalis V, The Witcher 3: Wild Hunt (and many more) to new platforms, taking great joy in the process and sharing passion with players around the world.

Responsibilities

  • implementing and maintaining online and networking systems for the project,
  • profiling and optimizing CPU performance related to online gameplay, networking, and synchronization systems,
  • investigating, troubleshooting, and resolving gameplay, networking, and platform-specific issues,
  • supporting integration of online services and ensure reliable communication between clients and backend systems,
  • identifying and addressing performance bottlenecks, synchronization issues, and connectivity-related problems,
  • contributing to general engineering tasks and bug fixing across the project as needed.

What We're Looking For

  • strong experience developing and maintaining online and multiplayer game systems,
  • solid understanding of networking fundamentals, client-server architectures, replication, and synchronization techniques,
  • experience profiling and optimizing CPU performance in online gameplay scenarios,
  • familiarity with online platform services, matchmaking, session management, and related systems,
  • strong debugging and problem-solving skills with a practical, hands-on approach,
  • familiarity with Unreal Engine 5 & NS1 console development and platform-specific optimization challenges is preferred,
  • ability to operate as a generalist engineer and contribute across multiple areas of the game when needed.

What We Offer

  • work with very strong IPs,
  • possibility for fully remote work,
  • help and support with handling work and residence permit procedures, if needed,
  • Dragons Academy knowledge and skills exchange events,
  • Dragothon an internal sports challenge with prizes,
  • chillout spaces and massage chair in the Warsaw office.

We believe in creating equal opportunities for all candidates, regardless of their background. We place a strong emphasis on respecting diversity and promoting integration within our company culture. As a result, we guarantee that every qualified candidate will be given fair consideration.

If you want to read about processing your personal data during recruitment, check out this page: https://q-loc.com/privacy-policy/personal-data-processing/

In accordance with the Whistleblower Protection Act, the internal reporting procedure can be found at: https://q-loc.com/whistleblowing/

Key Skills

Ranked by relevance

unreal engine server ips
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Posted
Jun 18, 2026
Type
Full-time
Level
Not Applicable
Location
Warsaw
Company
QLOC

Industries

Computer Games

Categories

Engineering Information Technology

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