Location: Cambridge, UK (remote-friendly within the UK) with occasional travel to the office once per quarter.

Want to work for a function that is responsible for the core technologies that powers RuneScape Franchises?

As part of the Central Technology team you'll help with delivering game technology, scalable implementations and tools that accelerate every product and every team to deliver for our players.

As a Senior Full Stack Engineer you'll be a subject matter expert and be responsible for the successful delivery of complex technical solutions as well as supporting engineers through mentoring, coaching and development planning.

What you'll be doing:

Contributes to and supports all areas of the Software Development Lifecycle, including writing secure-by-design, production ready code, automated testing, code review and deployment, ensuring all aspects meet the high standards, principles and practices for their team Utilise deep technical knowledge to ensures that solutions meet technical requirements and product needs through reviews and compliance to Jagex standards Be accountable for the quality of deliverables for which you are subject matter expert Support evaluation of off the shelf and in-house built solutions which best fit the needs of the business Support the engineers in breaking down their work into sensible, manageable and easily estimated stories that can deliver product value within the sprint Proactively identifies opportunities to improve our systems, services, and processes. Effectively communicates these, collaborating across teams to deliver improvement Provides On-Call support to troubleshoot and resolve out-of-hours production issues

What we're looking for:

Extensive experience delivering web applications or large software projects as a Senior Engineer Proficiency in Java and understanding of its ecosystem with experience in Java backend development and web architecture frameworks such as Spring Boot Proficiency in JavaScript/TypeScript with experience using modern front-end frameworks and libraries such as React Experience building and integrating Restful services and Publish-Subscribe Messaging systems Experience of automated testing frameworks (unit, mock and integration) Experience using AWS Cloud and working with managed AWS services Experience managing infrastructure via code (IaaC) with tools such as Terraform Good knowledge of version control and CI/CD systems e.g. GIT, Bitbucket Pipelines, Bamboo and supporting tools such as Ansible and Helm Familiar with microservices backend architectures  Proven experience working closely with non-engineering stakeholders and communicating technical solutions in an easy-to-understand manner Experience working on established code bases Analytical mind and strong problem-solving skills Solid debugging, profiling and code optimization skills

What we offer:

When you join Jagex you can look forward to a generous Perks & Benefits package including:

Private Healthcare, including Dental Plan. Minimum 6% Pension contributions. Employee Assistance Programme & onsite Counselling. Life Insurance. Discretionary annual performance bonus. Enhanced family leave policies from day 1. Flexible working hours. 25 days annual leave + Bank holidays & the option to buy/sell holidays + so much more!

About Jagex: 

Jagex is a leader in developing and publishing deep, engaging online games that connect millions of players worldwide. Best known for the RuneScape franchise, which includes two of the world’s longest running and most successful MMORPGs, in Old School Runescape and Runescape, and the open-world survival crafting game, Runescape: Dragonwilds; we have proven success in delivering immersive Forever Games and fostering strong player communities.  

We strive to foster an inclusive workplace built on trust, autonomy, and a shared passion for creating forever games. 
Our values guide everything we do: We Embrace Fellowship by collaborating and sharing openly. We Hone our Craft by always learning and improving; we Honour our Vows by being honest and transparent; we are our Customers’ Heroes by striving to understand our team & player needs, and we Seize The Day by making the most of every opportunity. 

With over two decades of experience, and over 400 people in our team, we continue to innovate in live game development, leveraging data-driven insights, and a commitment to player-first game design. We have a diverse and talented team where creativity, collaboration, and community-driven game development drives everything we do.  

As part of Jagex, you’ll have the opportunity to work on a globally successful franchise, contribute to exciting new projects, and be part of a company that hugely values both our employees and our players.