Experis

Experis

London

Java Developer - Backend

Contract£? - ? per yeareergisterenUnited Kingdom
IT

Job Description

Salary: £? - ? per year

Requirements:
  • We want someone with a strong passion for system development, new technologies, large-scale systems, and games.
  • We need an excellent communicator who is comfortable working with people across different business units and technical levels.
  • We expect the ability to translate business needs into technical requirements and implementation.
  • We need experience architecting, designing, and implementing components, features, and systems in Java.
  • We value the ability to design technical solutions that balance SOLID and KISS principles.
  • We are looking for someone excited to work on a live game product with a large active user base.
  • We need knowledge of databases and general web development.
  • We expect experience supporting game servers from a Level 3 support perspective and investigating escalated issues.
  • We require experience working in UNIX environments and with Git.
  • We value experience working with custom tech stacks and collaborating with developers outside the immediate team when needed.
  • We need strong communication skills across our ops team, client developers, and other backend developers.
  • We want someone able to work with different teams and provide mentorship to junior developers.
  • We require experience developing backend systems for mobile apps.
  • Desired: experience with C# and the Unity engine.
  • Desired: experience with Gradle build systems.
  • Desired: experience using Jenkins or other CI systems for automation.
  • Desired: experience with Kubernetes and Docker.
  • Desired: experience with GCP/GKE.
  • Desired: experience with Kafka and BigQuery.
Responsibilities:
  • Build and maintain technology that supports our studio in creating new games.
  • Integrate with existing technology and develop new creative solutions for our games.
  • Investigate problems reported by our game teams.
  • Coach and mentor fellow developers.
  • Work closely with our Unity developers in a creative, challenging, and collaborative environment.
  • Architect, design, and implement Java backend components, features, and systems.
  • Support our game servers and investigate issues when escalated to Level 3.
  • Collaborate with our dedicated ops team, client developers, and other backend developers to resolve technical issues.
  • Reach out to developers outside the immediate team when needed to support custom tech stacks.
Technologies:
  • Architect
  • BigQuery
  • Backend
  • C#
  • Docker
  • GCP
  • Git
  • Gradle
  • Support
  • Java
  • Jenkins
  • Kafka
  • Kubernetes
  • Mobile
  • Unix
  • Unity
  • Web
  • Cloud
  • GameDev

More:

We are hiring for a Senior Backend Engineer / Java Backend Developer role based in London, with a full-time 40-hour schedule on a 6-month duration. The role offers a hybrid setup with 2-3 days in London or the option to work 100% remotely. You will be supporting our new generation of games and helping us challenge and refine the way we work with internal technology. This is a creative and collaborative environment where your ideas will be valued alongside your programming expertise.

last updated 31 week of 2026

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About Experis

Experis

Experis

London

IT

Skills & Technologies

JavaC#ScalaGCPDockerKubernetesGitJenkinsKafkaAIUI

Inferred from job description

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