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- Tasks: Create seamless mobile experiences for iOS and Android, shaping player engagement.
- Company: Join Jagex, a leader in gaming with a collaborative and innovative culture.
- Benefits: Enjoy private healthcare, flexible hours, generous leave, and a performance bonus.
- Other info: Flexible working options and excellent career growth opportunities await you.
- Why this job: Make a real impact on gaming while mentoring a talented team of engineers.
- Qualifications: Strong mobile development experience and a knack for problem-solving.
The predicted salary is between 70000 - 90000 £ per year.
Office location: Cambridge, UK – This position offers flexible working options, including predominantly remote work. Applicants should be based (or willing to relocate) within a comfortable commuting distance of our office to attend onsite as required.
Are you an experienced mobile engineer who excels at creating seamless, secure, and high-performing mobile experiences across iOS and Android platforms? As a Senior Mobile Engineer in our Player Gateway team, you’ll play a pivotal role in shaping how players first engage with Jagex titles, from their initial visit through to becoming active, returning members of our game communities. You’ll work at the intersection of mobile engineering, platform optimisation, and player experience, delivering scalable and secure solutions that power key touchpoints across the RuneScape franchise. You’ll act as a subject matter expert, leading the delivery of complex mobile solutions while mentoring and developing a talented team of engineers and driving engineering excellence across the wider organisation.
What you’ll be doing:
- Contribute across the full Software Development Lifecycle, delivering secure-by-design, production ready code supported by automated testing, peer review, and reliable deployment practices.
- Act as a subject matter expert, ensuring technical solutions meet product needs and align with Jagex engineering standards.
- Take ownership of the quality and delivery of complex engineering initiatives, ensuring outcomes meet stakeholder expectations.
- Collaborate across teams and disciplines to deliver scalable, high-impact technical solutions.
- Proactively identify opportunities to improve systems, services, and engineering processes, driving continuous improvement across the organisation.
- Support team effectiveness by helping engineers break down work into clear, value-driven increments and contributing to a strong, resilient production environment.
- Participate in an on‑call rotation to troubleshoot and resolve production issues when required.
What we’re looking for:
- Strong experience with native mobile development across both iOS (Swift / Objective‑C) and Android (Kotlin / Java), with a deep understanding of platform constraints such as lifecycle, permissions and store policies.
- Proven experience delivering secure, maintainable mobile architecture that interfaces cleanly with backend microservices.
- Experience with automated testing, CI/CD pipelines, version control systems, and performance profiling tools.
- Strong debugging, optimisation and problem‑solving skills, with the ability to navigate established codebases.
- Demonstrable ability to mentor engineers and contribute to improving engineering standards and best practices.
- Experience with C++ would be an advantage.
What we offer:
- Private Healthcare, including Dental Plan.
- Discretionary annual performance bonus.
- Minimum 6% Pension contributions.
- Life Insurance.
- Enhanced family leave policies from day 1.
- Flexible working hours.
- 25 days annual leave + Bank holidays.
Principal Mobile Engineer - Core Tech employer: Jagex
Contact Detail:
Jagex Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Principal Mobile Engineer - Core Tech
✨Tip Number 1
Network like a pro! Reach out to your connections in the mobile engineering space, especially those who work at Jagex or similar companies. A friendly chat can open doors and give you insider info on what they’re really looking for.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best mobile projects. Whether it’s apps you’ve developed or contributions to open-source projects, having tangible evidence of your expertise can set you apart from the crowd.
✨Tip Number 3
Prepare for the interview like it’s a game level! Research Jagex, understand their products, and be ready to discuss how your experience aligns with their needs. Practise common technical questions and be prepared to demonstrate your problem-solving skills.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take that extra step to engage with us directly.
We think you need these skills to ace Principal Mobile Engineer - Core Tech
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Principal Mobile Engineer role. Highlight your experience with iOS and Android development, and don’t forget to mention any relevant projects that showcase your skills in creating seamless mobile experiences.
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about mobile engineering and how your background aligns with our mission at StudySmarter. Be sure to mention specific achievements that demonstrate your expertise.
Showcase Your Technical Skills: In your application, be clear about your technical skills, especially around secure mobile architecture and automated testing. We want to see how you’ve applied these skills in real-world scenarios, so don’t hold back on the details!
Apply Through Our Website: We encourage you to apply through our website for the best chance of getting noticed. It’s super easy, and you’ll be able to keep track of your application status. Plus, we love seeing applications come directly from our site!
How to prepare for a job interview at Jagex
✨Know Your Tech Inside Out
Make sure you brush up on your knowledge of mobile development, especially in Swift, Objective-C, Kotlin, and Java. Be ready to discuss specific projects you've worked on and how you tackled challenges related to platform constraints and security.
✨Showcase Your Problem-Solving Skills
Prepare to share examples of how you've debugged complex issues or optimised performance in previous roles. Highlight your experience with automated testing and CI/CD pipelines, as these are crucial for the role.
✨Demonstrate Leadership and Mentorship
Since this position involves mentoring other engineers, think of instances where you've led a team or helped others improve their skills. Be ready to discuss your approach to fostering a collaborative environment and driving engineering excellence.
✨Engage with the Company Culture
Research Jagex's values and culture, especially their commitment to transparency and customer focus. Be prepared to discuss how your personal values align with theirs and how you can contribute to their mission of enhancing player experiences.