Network Programmer

Avalanche Studios; Stockholms kommun; Hybrid; SEK 446,400 - 669,600; Full time

Job summary

Avalanche Studios in Stockholm is looking for a passionate Network Programmer to join our team. In this role, you will shape the online backbone for an ambitious new game. Your responsibilities include designing and maintaining networking libraries, collaborating across disciplines, and addressing technical issues. Ideal candidates will have a strong background in modern C++ and Unreal Engine, with 3+ years in multiplayer programming.

Our office is in Södermalm, and we support a hybrid work model, requiring in-office presence on specific days. We value diverse experiences as we strive for inclusivity.

Qualifications

• Deep understanding of modern C++ within Unreal Engine including memory management.
• Proven experience with Unreal Engine's replication system.
• 3+ years of experience in multiplayer programming with at least one shipped title.

Responsibilities

• Design and maintain scalable networking libraries for core multiplayer features.
• Collaborate closely to define requirements for technical implementations.
• Refactor existing solutions and transform prototypes into production-ready systems.

Skills

Modern C++

Unreal Engine replication system

Multiplayer programming experience

Packet profiling and bandwidth optimization

Cross-disciplinary collaboration

Agile/Scrum environment experience

Tools

Unreal Engine

Steam

AWS GameLift

Job description

Are you passionate about creating seamless and robust multiplayer experiences? Join our innovative team in Stockholm as a Network Programmer to shape the online backbone for an ambitious new game currently in active development. As a Network Programmer, you will be crucial in ensuring our multiplayer experience is technically sound, reliable, and ready for deployment. Your mission will be to build, optimize, and maintain the networking infrastructure that powers our game's online features.

What you’ll do

• Designing, developing, and maintaining scalable networking libraries for core multiplayer features
• Collaborating closely with various disciplines to define requirements and align on technical implementations
• Refactoring existing solutions and transforming prototype features into production-ready systems
• Identifying and addressing technical shortcomings in our networking approach with well‑engineered solutions
• Creating robust tools for debugging, profiling, and optimizing network performance
• Educating team members on best practices for using shared networking technologies, empowering them to leverage their full potential

Who you are

• Deep understanding of modern C++ within the context of Unreal Engine, including memory management, macros, and coding standards
• Proven experience with Unreal Engine’s replication system, actor lifecycle in a networked environment, and implementing RPCs
• 3+ years of experience in multiplayer programming, with at least one shipped title
• Experience working with platform‑specific online subsystems such as Steam, PSN, and Xbox Live
• Experience with packet profiling, bandwidth optimization, and managing network relevance and culling in large‑scale environments
• Strong coordination skills for cross‑disciplinary collaboration and fluency in English
• Experience with the Gameplay Ability System (GAS) and its built‑in networking capabilities
• Experience extending or overriding the UNetDriver or implementing custom DataBunch serialization
• Experience with dedicated server orchestration (Agones, AWS GameLift) or Matchmaking services
• Experience with networked physics and client‑side prediction/reconciliation
• Comfortable working in an Agile/Scrum environment

Note: Research shows under‑represented groups in the industry might not apply to a job if they don’t check off every requirement. At Avalanche, we’re more about your drive to learn and interest in tackling challenges than what’s on your resume! So don’t stress if you don’t tick every box—we encourage you to apply anyway. Diverse opinions and different experiences are what make our teams great, not itemized lists of qualifications.

The Stockholm location

Our Stockholm office is situated in Södermalm, and our hybrid model requires you to be in the office on Mondays, Tuesdays, and Thursdays to foster collaboration and creativity.

Our values

At Avalanche Studios Group, we are committed to developing a diverse and inclusive workplace. All Avalanchers share a responsibility to create an open work environment where everyone is treated equally and respectfully. We value your passion and creativity.