SENIOR ONLINE SERVICES ENGINEER (JAVA)

2 Months ago • All levels

About the job

SummaryBy Outscal

Senior Online Services Engineer with extensive Java server development experience, comfortable with large codebases, and deep understanding of web-related technologies, join Guerrilla in Amsterdam.

Guerrilla, the Amsterdam-based developer of the Horizon franchise, is looking for a Online Services Engineer to support our Online Tech team with upcoming projects.

Our Online Tech Team:

Our Online Tech team builds reliable, maintainable and performant online systems. We work with various other disciplines to create tools needed to build online game features. We deliver the networking and replication layers for both game client and server, integration with online platform services (e.g. PSN), authentication, matchmaking, inventory, store, server allocations, etc. The team works in close collaboration with our Online Infrastructure team, which designs and maintains the build and deployment environments for our services, servers and tools.

Our Technology:

For our services, we use industry-standard web technologies: Java, Spring, OpenAPI. The services are designed around microservice architecture and we share as little state as possible between services. To host our services we use Kubernetes backed by Amazon EKS and we use other AWS services to support our services like S3, DynamoDB and RDS.

What you will do:

As a Senior Online Services Engineer we will look to you to:

  • Help build a highly scalable and highly available online services environment;
  • Work on player systems focused on persistence, safety, retention, and engagement;
  • Cooperate with multiple internal stakeholders and disciplines to achieve the game’s vision;
  • Develop, test and maintain our zero downtime deployment system;
  • Develop and improve instrumentation for monitoring and logging the health and availability of services.
  • Work closely with the engineers in the Online Infrastructure team to ensure robustness, scalability and performance of our services;
  • Keep up to date with the Java world and introduce new technologies when they are relevant for Guerrilla.

Who you are:

We'd love to hear from you if:

  • You have extensive Java server development experience (game industry experience is a plus);
  • You are comfortable working on a large codebase;
  • You have a firm grasp on software design and architecture, and enjoy writing code that is both maintainable and performant;
  • You have a deep understanding of web-related technologies (e.g. HTTP, REST, Message Queuing);
  • You have experience with version control systems such as Git and Perforce;
  • You have strong written and verbal communication skills;
  • You have a helpful, solution-minded approach;
  • Have an interest in online gaming.

Interested?

If you are up for the challenge, hit the “apply now” button to submit your application to us. Be sure to submit your CV, motivation letter, and a Java code sample that shows your best and most recent work. We would love to see structured programming as code examples and a demo presenting relevant work to the position.

Please note: This position is based in our studio in the heart of Amsterdam. Guerrilla offers relocation and immigration support.

At Guerrilla, we believe that our team’s varied backgrounds, experiences, and perspectives help us create games that resonate with a diverse audience.

As an equal opportunities employer, we strive to create an inclusive environment, empower employees and embrace diversity.

We encourage everyone to respond as we consider all candidates on the basis of their merit, unique strengths, and perspectives they will bring to the role.

About The Company

As one of Europe's leading game development studios, Guerrilla has continually pushed the boundaries of technical and artistic excellence since its inception in 2003. Today, the studio employs 400 professionals from 25 different nationalities. Guerrilla’s state-of-the-art offices are located in the cultural and historical heart of Amsterdam, The Netherlands — a great place to work and play.


Guerrilla was founded as the result of a merger between three smaller Dutch studios: Lost Boys Games, Orange Games and Digital Infinity. In 2005, it was acquired by Sony Interactive Entertainment after the release of Killzone on PlayStation 2. In the decade that followed, Guerrilla expanded Killzone into a successful franchise with a handheld spin-off and three sequels.


Guerrilla's next title, released for PlayStation 4 in 2017 and for PC in 2020, is the critically and popularly acclaimed open world action-RPG Horizon Zero Dawn. The studio released its sequel Horizon Forbidden West in February 2022, with the Burning Shores expansion in 2023. This year, Guerrilla also released the PSVR2 title, Horizon Call of the Mountain.

North Holland, Netherlands (On-Site)

North Holland, Netherlands (On-Site)

North Holland, Netherlands (On-Site)

North Holland, Netherlands (On-Site)

North Holland, Netherlands (On-Site)

North Holland, Netherlands (On-Site)

North Holland, Netherlands (On-Site)

North Holland, Netherlands (On-Site)

North Holland, Netherlands (On-Site)

North Holland, Netherlands (On-Site)

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