Jagex

About the Company

A leader in creating deep and engaging forever games on PC, Console & Mobile that empower our communities. Jagex was founded in 2001 and is today one of the UK’s biggest and most respected video game developers and publishers.

Famed for its flagship MMOs RuneScape and Old School RuneScape, Jagex has welcomed more than 300 million player accounts to its world and created a $1bn lifetime franchise revenue. Today the RuneScape franchise exists beyond running games in live operations; our titles are forever games that connect and inspire millions of players, with content and experiences both inside and outside of inexhaustible game worlds.

Both RuneScape and Old School RuneScape, on PC and mobile, offer ever-evolving, highly-active worlds and our community-focused development ethos empowers players to have a real say in how each game is shaped.

Jagex has added to its skill set with the acquisitions of Pipeworks and Gamepires in 2022, bringing our expertise to titles such as SCUM, helping to make SCUM a forever game. It also works with external partners on products such as Melvor Idle and This Means Warp; bringing these titles to new and existing audiences.

Jagex employs more than 600 people at its Cambridge headquarters and around the world at Pipeworks in North America, and Gamepires in Europe. We’re always on the hunt for talented people to work across the business, to help the company to achieve its goals.

Listed Jobs

Company Name

Jagex

Job Title

Senior Full Stack Engineer

Job Description

**Job Title:** Senior Full Stack Engineer **Role Summary:** Design, develop, and deliver secure, high‑performance web applications and services for a large‑scale gaming platform. Serve as a technical subject‑matter expert, mentor engineering teams, and ensure compliance with architectural standards and product requirements. **Expectations:** - Deliver complex full‑stack solutions end‑to‑end, adhering to quality and security standards. - Mentor and coach engineers, guiding story breakdown, estimation, and sprint delivery. - Provide on‑call support for production incidents and drive continuous improvement of systems and processes. - Collaborate with non‑technical stakeholders to translate requirements into technical designs. **Key Responsibilities:** - Write production‑ready, secure code across Java back‑end and React/TypeScript front‑end stacks. - Conduct code reviews, automated testing, and CI/CD pipeline management. - Design, implement, and integrate RESTful APIs and publish‑subscribe messaging. - Evaluate off‑the‑shelf and custom solutions, recommending optimal options. - Manage cloud infrastructure on AWS using IaC tools (Terraform, Ansible, Helm). - Maintain microservices architecture, ensuring scalability and reliability. - Identify and implement improvements to services, tooling, and development processes. - Participate in on‑call rotation to troubleshoot and resolve out‑of‑hours issues. **Required Skills:** - Extensive experience delivering large web applications as a Senior Engineer. - Strong Java proficiency; experience with Spring Boot or comparable frameworks. - Expert in JavaScript/TypeScript; hands‑on with React or similar front‑end libraries. - Proven ability to build and consume RESTful services and messaging systems. - Automated testing expertise (unit, mock, integration). - AWS cloud services experience; familiar with managed services (e.g., RDS, S3, Lambda). - Infrastructure‑as‑code with Terraform; CI/CD pipelines (Git, Bitbucket Pipelines, Bamboo). - Version control (Git) and container orchestration (Helm, Docker). - Knowledge of microservices architecture and service mesh concepts. - Strong analytical, debugging, profiling, and performance‑optimization skills. - Excellent communication; ability to convey technical concepts to non‑technical audiences. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience). - Preferred: AWS Certified Solutions Architect/Developer or comparable cloud certification.

Cambridge, United kingdom

Hybrid

Senior

12-11-2025