Senior Server Developer (m/f/d)

Albion Online; Berlin; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

BVG ticket

Autonomy & ownership

Training & language courses

Gamescom tickets

Office and remote flexibility

Urban Sport Club

Nilo health access

Extra vacation days

Modern office in Berlin

Free drinks & snacks

Job summary

Sandbox Interactive in Berlin seeks a Senior Server Developer to design, develop, and maintain backend systems powering Albion Online. You will build and optimize server-side features, live tooling, and real-time networking for a global player base.

This role emphasizes deep technical expertise, collaboration with game teams, and a focus on stability, scalability and performance across a live online world.

Qualifications

• 5+ years of experience in backend or network programming for online or multiplayer games.
• Strong proficiency in C# and experience with the Unity engine.
• Proven experience with client-server architecture, game server logic and live game maintenance.
• Solid understanding of database systems (SQL/NoSQL), cloud environments and distributed server infrastructure.
• Experience with performance optimization, debugging, and profiling in large-scale systems.
• Excellent communication skills (presentation, verbal and written) in English.

Responsibilities

• Architect and maintain high-throughput backend systems powering Albion Online’s world.
• Develop and optimize server-side gameplay features, live tools and real-time networking systems using C#.
• Collaborate with game developers and designers to integrate gameplay logic and backend functionality.
• Work with Release Operations to ensure smooth deployment of patches and content updates.
• Ensure system reliability, performance and scalability across global regions and large player populations.
• Implement monitoring and observability tools to improve issue detection and resilience.
• Mentor other engineers and promote a culture of technical pragmatism and performance.

Skills

C#

Unity

Client-server architecture

Performance optimization

English communication

Tools

SQL/NoSQL databases

Job description

Sandbox Interactive is the ambitious game development studio behind the award-winning game Albion Online. We started as a small independent group of experienced gaming professionals in 2012, and now employ an international team of more than 100 people. Our team is passionate about making Albion Online the best game it can be, and we’re constantly on the lookout for talented individuals to join our growing team in the heart of Berlin.

Sandbox Interactive is the ambitious game development studio behind the award-winning game Albion Online. The game is the first true cross-platform MMO, and is playable on Windows, Mac, Linux, iOS and Android with more than 350.000 daily players and over 2 million monthly visitors on our website. We started as a small independent group of experienced gaming professionals in 2012, and now employ an international team of more than 100 people. Since 2020, Sandbox Interactive has been part of the Stillfront Group. Our team is passionate about making Albion Online the best game it can be, and we’re constantly on the lookout for talented individuals to join our growing team in the heart of Berlin.

Your Game

As a Senior Server Developer, you will help design, develop, and maintain the systems that keep Albion Online world running smoothly. You’ll work on backend features and services that support millions of players, ensuring stability, scalability and performance across a continuously evolving live environment.

This role requires deep technical expertise, a proactive mindset and a passion for large-scale online systems. You’ll collaborate closely with game developers and designers to deliver reliable tools, features and infrastructure that enhance the gameplay experience and support ongoing content updates.

Architect and maintain high-throughput backend systems that power Albion Online’s large-scale, persistent world

Develop and optimize server-side gameplay features, live tools and real-time networking systems using C#

Work with our Release Operations team to ensure smooth deployment of patches and content updates

Ensure system reliability, performance and scalability across global regions and large player populations

Implement monitoring and observability tools to improve issue detection and system resilience

Collaborate with client engineers and game designers to integrate gameplay logic and backend functionality

Participate in architectural discussions and technical planning for feature growth and long-term system health

Support and mentor other engineers, fostering a culture of technical pragmatism and performance

Your Talent

Minimum Qualifications:

5+ years of experience in backend or network programming for online or multiplayer games.

Strong proficiency in C# and experience with the Unity engine

Proven experience with client-server architecture, game server logic and live game maintenance

Solid understanding of database systems (SQL/NoSQL), cloud environments and distributed server infrastructure

Experience with performance optimization, debugging, and profiling in large-scale systems

Excellent communication skills (presentation, verbal and written) in English

Preferred Qualifications:

Experience working on MMORPGs or sandbox games

Familiarity with Albion Online or similar persistent-world systems

Understanding of live operations workflows, including event management, hotfixing and content rollout

Knowledge of DevOps practices, monitoring tools and CI/CD pipelines

Passion for games and player-driven online experiences

Our Offer

BVG corporate ticket:

Receive a free company ticket for Germany's public transportation system

Personal Development:

Have a high degree of autonomy and ownership from the start

Develop your skills through company-sponsored training and language courses

Enjoy company-sponsored tickets for Gamescom Dev & other game conferences

Combine the best of both worlds, and enjoy the freedom to switch between working in the office and working remotely

Discounted membership to Urban Sport Club for fitness and wellness

Access to nilo health for confidential mental health support, coaching, and wellbeing resources

Extra vacation days awarded based on years of service, up to a maximum of 30 days annually

Modern & Well-Equipped Office:

Work in the heart of Prenzlauer Berg, a central, vibrant neighborhood in Berlin with many dining and entertainment options

Enjoy height-adjustable tables, ergonomic chair options, dimmable lighting, and acoustic panels

Benefit from free drinks and snacks in the office

Participate in team events, breakfast weeks, summer and winter parties

Sustainable business:

Be part of a successful, profitable company on a continued growth path

Work alongside a supportive team of gaming enthusiasts who are deeply committed to their craft

Global reach:

Join a team of industry experts shaping a game enjoyed by hundreds of thousands worldwide

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