Jagex

DevOps Engineer

• Provide guidance on security best practices and compliance and undertake security testing
• Collaborate with the architecture and development teams to review the design and code for security vulnerabilities
• Embed/improve security threat modelling and secure coding in the development lifecycle
• Provide technical specialist advice to ensure that security standards are understood and can be complied with
• Develop security testing plans and integrate into the software development lifecycle
• Perform and oversee security testing and manage remediation of identified vulnerabilities
• End-to-end work on reported vulnerabilities as part of the bug bounty program
• Take part in the security incident response team
• Monitor and proactively report on current threats and vulnerabilities to application security
• Prepare and monitor application security metrics and KPIs
• Initiate and automate processes for detecting and monitoring the platform security and integrate security tools into the S-SDLC

Application Security Specialist – DevOps

Full-stack Engineer

• Contribute across the full Software Development Lifecycle, delivering secure-by-design code supported by automated testing, peer review, documentation and deployment.
• Build and maintain backend services using Java and Spring Boot within a microservices architecture.
• Develop frontend applications using JavaScript/TypeScript and modern frameworks such as React, Next and Node.
• Design and integrate RESTful APIs and publish-subscribe messaging systems.
• Ensure services are monitored, scalable, highly available and performant.
• Maintain and support production systems, including participation in an on-call rotation.
• Contribute to system improvements, performance optimisation and architectural enhancements.
• Evaluate and implement off-the-shelf and in-house technical solutions where appropriate.

Full Stack Engineer – Core Tech

Game Engineer

• Implement gameplay features in UE5 C++/Blueprints using GAS (abilities, attributes, effects, cues, tags)
• Design and maintain reusable gameplay frameworks and components aligned with GAS-first patterns
• Build networked gameplay that replicates correctly and feels responsive (prediction, authority, RPCs, relevancy)
• Collaborate with designers to iterate on combat/abilities/systems while protecting technical integrity

Gameplay Engineer – RuneScape Dragonwilds

Engineer

• Develop and maintain UE5 engine-adjacent systems in C++
• Build reusable core frameworks and shared modules
• Profile and optimize runtime performance (frame pacing, hitches, memory)
• Debug and resolve complex crashes and low-level issues

Engine Engineer – RuneScape Dragonwilds

Designer

• Work closely with other designers, engineers and artists to help define and champion creative vision.
• Collaborate with product, analytics and research to gain player insights, using data to help inform and refine the player experience.
• Own the design and implement open world layouts, quests, activities and combat encounters from concept to completion in UE5.
• Document designs, tooling requirements and improvements.
• Script quests, gameplay and NPC dialogue using proprietary tools and Blueprints.
• Ensure layout and gameplay support narrative and gameplay direction.

Level Designer – RuneScape Dragonwilds

3D Artist

• Creating a wide variety of assets related to character art.
• Liaising with artists and developers across the various disciplines.
• Making outfits for players, armour, weapons, other character related props as well as creating NPC creatures.
• Completing all tasks to a high standard and adhering to schedule requirements.

Character Artist – RuneScape Dragonwilds

• Ensure timely and accurate preparation, review and submission of all corporate tax returns, including UK Corporation Tax (including VGTR/creative industry reliefs and Patent Box), US federal and state filings, and other international tax obligations, working with external advisors as necessary.
• Ensure timely and accurate preparation, review and submission of VAT and global indirect tax returns (including a mixture of in-house prepared returns and review of externally prepared returns).
• Manage tax payments and cash tax forecasting.
• Support tax audits, enquiries and disputes, preparing responses and coordinating with external advisors where required.
• Maintain oversight of transfer pricing policies and documentation, ensuring compliance with relevant regulations.
• Monitor changes in tax legislation and assess their impact on the business.
• Lead the preparation and review of quarterly and annual tax provisions and tax calculations.
• Ensure accurate tax-related disclosures in statutory accounts and group reporting.
• Reconcile tax balances and ensure integrity between tax and financial reporting systems.
• Partner closely with Financial Reporting and Finance Operations teams to ensure strong controls and clean data flows.
• Provide clear and well-documented analysis to support external audit requirements.
• Support the Associate Director of Tax in defining and delivering the long-term tax roadmap.
• Identify opportunities to automate manual processes within tax compliance, provisioning and reporting.
• Improve data extraction and analysis processes, leveraging advanced Excel and financial systems capabilities.
• Enhance tax controls, documentation and governance frameworks.
• Drive continuous improvement initiatives to create scalable, efficient and well-controlled tax processes.
• Evaluate and implement tax technology solutions where appropriate.
• Act as a trusted tax business partner to finance, game development, commercial and operational teams.
• Proactively identify tax risks and planning opportunities.
• Provide clear, practical guidance to non-tax stakeholders on tax implications of commercial decisions.
• Upskill finance and relevant business teams to improve tax awareness and understanding.
• Collaborate effectively with external advisors to deliver project-based work and specialist advice.
• To behave always in a professional manner, maintaining a positive and conscientious work ethic whilst also demonstrating initiative and determination to get the job done.
• To work effectively with colleagues both within the immediate team and across the company whenever necessary.
• To demonstrate a willingness to adapt to the evolving environment of the company, teams and work requirements.

Tax Manager

• Design engaging and varied content across multiple areas of Old School RuneScape.
• Script your designs using our in-house language, RuneScript, bringing ideas to life through technical implementation.
• Create and maintain clear design documentation to support development and collaboration.
• Ensure your content aligns with business goals, player needs, and identified gaps within the game.
• Collaborate closely with designers, engineers, artists and community teams to deliver high-quality weekly updates.
• Use game data and player insight to inform balancing, iteration, and long-term content planning.
• Handle scripting and implementation for projects of reasonable size and complexity within a live environment.
• Continuously expand your knowledge of existing game systems to ensure your work integrates seamlessly into the broader game.

Game Designer – Old School RuneScape

• Design and implement engaging game content that leverages the technical strengths of Old School RuneScape.
• Script your designs using our in-house language, RuneScript, delivering technically robust and scalable solutions.
• Provide proactive technical input across the team, ensuring content is efficient, maintainable, and aligned with engine capabilities.
• Create and maintain technical design documentation to support development and knowledge sharing.
• Develop tools and workflows that improve both your own efficiency and that of the wider design team.
• Collaborate within multi-disciplinary development teams to deliver updates to a live game with a weekly release cadence.
• Build a deep understanding of the game’s core systems and engine behaviour to inform high-quality technical implementation.
• Use game data and player insight to inform design decisions that address content gaps and business needs.
• Contribute to discussions around engine capabilities and, where appropriate, work alongside engineers to enhance what can be achieved within RuneScript.

Technical Designer – Old School RuneScape

Manager

• Own Jagex’s technical & data portfolio view, keeping timelines, milestones, dependencies and ownership accurate so leaders can prioritise with confidence.
• Align commercial, Technology and Data plans, ensuring sequencing and resourcing make sense so we deliver the highest-impact outcomes first.
• Bring structure to priority technical initiatives, creating clarity and coordination so delivery stays focused, paced, and outcome-driven.
• Spot what’s blocked or drifting early and intervene fast, surfacing options and trade-offs so decisions get made and momentum returns.
• Proactively manage cross-portfolio risks and dependencies, reducing surprises so teams can execute without constant firefighting.
• Provide a single, trusted view of delivery health, translating technical progress into business and financial outcomes for exec and board forums.
• Facilitate collaboration and clarify ownership across teams, closing data gaps so everyone is working from the same reality.
• Evolve our portfolio practices and tools, improving transparency and governance so delivery confidence increases quarter after quarter.

Technical Portfolio Manager

Developer Relations

• Conceptualise and own the delivery of a Plugin Developer Program for RuneScape
• Act as a technical bridge of RuneScape within the development community, ensuring access to key information and ensuring our product plan serves external developer needs
• Learn our technology and coding languages to increasingly self-serve the needs of our Plugin development community over time
• Design and own events – physically and digitally – that connect our technical teams and plugin community
• Create extensive documentation and guidance to maximise the potential of external Plugin Development
• Design and maintain a developer journey into our ecosystem and supporting communities
• Regularly review and maintain our Plugin Ecosystem, ensuring our best Plugins are highlighted for discovery
• Identify gaps in community Plugin development and proactively drive executions
• Manage the Plugin Community spaces to create an optimal development environment
• Work closely with the rest of RS CM to promote and highlight Plugins that serve player needs