Jobs at Jagex

Leads and mentors a data science team while developing production models for player-facing and commercial applications. Owns MLOps practices, including deployment, monitoring, versioning, and retraining. Partners with Player Support, Marketing, Analytics, Game Teams, Data Engineering, and senior stakeholders to deliver data science initiatives from exploration through adoption. Coaches team members, manages workloads, evaluates new modeling opportunities, and communicates technical concepts clearly to business audiences.

Interim Revenue Accountant responsible for monthly revenue recognition, deferred revenue journals, reconciliations, variance analysis, and month-end close. The role validates data across billing systems, payment service providers, and general ledger postings, using SQL and advanced Excel tools. It also supports Chargebee implementation and improves revenue accounting through automation, scalable reconciliations, and stronger financial controls.

Prepare group consolidations, statutory accounts, and financial reporting; manage external audits and filing deadlines; simplify holding structures and intercompany balances; assess tax implications; support ERP implementation, month-end close, management reporting, and process improvements. The role requires a qualified accountant with group reporting, multi-currency consolidation, audit management, intercompany accounting, tax, Excel, and strong collaboration skills.

Lead and align external co-development teams to deliver high-quality gameplay and content for RuneScape: Dragonwilds. Provide design leadership, review deliverables, translate creative vision into actionable guidance, unblock teams with hands-on support and prototyping, establish review processes, and champion player-focused iteration across multidisciplinary stakeholders.

Leads escalated security investigations, determines root cause and impact, and improves detection and incident response capabilities. Builds detection rules, monitoring queries, automation, tooling, runbooks, and playbooks across cloud, endpoint, network, and application environments. Conducts threat hunting using adversary TTPs and MITRE ATT&CK, collaborates with internal engineering teams and an external SOC, and participates in an on-call rotation.

Lead end-to-end delivery of mobile-focused features for Old School RuneScape. Own feature pipelines, milestone planning, release cadence, risk management, and stakeholder communication. Work with Product and Design to prioritise backlogs, run retrospectives, maintain documentation, and enable cross-functional teams to remove blockers and deliver consistent updates to a live-service game.

Implement and own multiplayer gameplay systems in UE5 C++ and Blueprint using GAS. Build responsive, networked combat and ability systems, collaborate with designers, debug client/server desyncs, profile and optimize for performance and bandwidth, and maintain reusable, scalable gameplay frameworks for a live multiplayer game.

Lead QA strategy and testing for an open-world UE5 multiplayer live-service game. Own test approaches for networking, persistence, performance, and gameplay systems; use automation, telemetry, profiling and analysis tools to identify and mitigate risks. Mentor QA team members, improve QA processes, and coordinate with development, design, Live Ops, Localization and Submission to ensure stable, balanced, and high-quality player experiences.

Create polished UI artwork and assets for front-end and in-game features, translate UX wireframes into refined interfaces, support UI implementation in Unreal Engine, maintain style guides and asset toolkits, iterate on designs from player feedback and testing, and collaborate with UX, design, art, and engineering teams.

Lead end-to-end PostHog implementation across websites and desktop apps, define event schema, instrument onboarding/reboarding journeys, validate data quality, configure the platform for product and engineering, and build automated tooling to scale analytics insights.