Senior Java Engineer

About the role:

Our client is an established game studio renowned for its highly successful MOBA and FPS franchises.

​As a Senior Software Engineer on the Monetisations team, you will have the chance to build and operate key player-facing systems that support the purchasing, rewarding, and progression experiences within one of the world’s largest live games.​

You will be responsible for maintaining game systems that are healthy, reliable, and continually evolving. You will work across backend services, deployment pipelines, monitoring systems, and integration points with the Game Client with very high reliability and quality expectations. You must combine a DevOps mindset with the ability to contribute code across the full game technology stack.​

By joining the team, you will help accelerate the delivery of upcoming strategic initiatives.

You will work on a daily basis with an engineering team based in Dublin (Ireland), but occasional afternoon meetings with other teams based on the US West Coast (LA and Seattle) are also possible.

This role requires engineers with strong Java backend skills, solid web UI skills, a DevOps mindset, and familiarity with C++ client integration

Responsibilities:

• Maintaining and improving large-scale distributed systems that support players globally

  • Automate operational processes and reduce team toil (scripts, pipelines, diagnostic tools)

  • Improve observability, monitoring, alerting, and deployment workflows

• Working on highly available backend services with strong operational rigor

• Supporting and extending the existing Game Client experience (Web UI surfaces built with HTML/CSS/JS and C++ integration points)

• Contributing to KTLO efforts, including quality improvements, bug fixes, and feature updates

• Participating in live operations, including on-call rotation, incident investigation, stability improvements, release validation, and root-cause analysis

• Collaborating across product, QA, design, art, and data teams to support seasonal content, offers, store changes, and monetization updates

• Feature delivery within established systems, often spanning multiple pods or workstreams

  
  

Required Core Technical Skills:

Backend

• Strong Java 21 expertise (main language for service maintenance/development)

• Distributed systems debugging and service-oriented architecture

• REST APIs, SQL data stores

• CI/CD systems (Cloudbees Jenkins)

  
  

Game Client

• Working familiarity with C++ for client integration fixes

• Understanding of client-server interactions (HTTP/REST) and data flow paths

  
  

Web Surfaces & UI

• HTML, CSS, Javascript

  
  

DevOps Tooling & Reliability Engineering

• Linux, Bash/Python scripting

• Observability platforms (Datadog)

• Version Control expertise (Git, Perforce)

• Incident response and postmortem practices (Pagerduty)

  
  

Behavioural Expectations:

• High ownership over production health and system reliability

• Clear communicator during high-pressure situations (e.g. live incidents)

• Autonomy in navigating legacy systems and ambiguous problem spaces

• Strong collaboration with backend, client, QA, and operations teams

• Player-first thinking – minimizing downtime, regressions, and impact on players

Nice To Have:

• Experience in the gaming industry, particularly with online multiplayer games

• Experience working with cross-discipline organizations that build data products