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Senior Backend Developer - (Cardiff)
A growing Cardiff-based game studio is looking for a Senior Backend Developer to help shape the future of their slot game platform. With a strong track record in both land-based and online gaming, the team is focused on delivering high-performance, engaging experiences to players worldwide.
This is a great opportunity to work on real-time systems, contribute to an expanding portfolio, and be part of a highly experienced, collaborative team.
Key Responsibilities:
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Lead the development of backend systems powering modern online slot games.
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Translate game specs into structured, scalable server-side logic.
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Collaborate with frontend and backend engineers to implement and integrate new features.
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Work closely with designers and product managers to deliver features to deadline and spec.
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Mentor junior and mid-level developers, conducting code reviews and supporting growth.
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Contribute to improving internal processes and engineering standards.
Skills & Experience:
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Proven experience in a senior backend development role, ideally in games or real-time systems.
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Strong proficiency in C#, with working knowledge of C++.
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Solid understanding of random number generation and algorithm design.
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Strong mathematical background - A-Level Maths or higher preferred.
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Experience in team leadership or mentoring.
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Track record of creating scalable, maintainable, and performance-optimised code.
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Clear communicator with the ability to work cross-functionally.
Tools & Technologies:
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C#, C++
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GitLab
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Jira
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Microsoft Visual Studio
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Excel
What's on offer:
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Autonomy in how you approach technical challenges.
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Direct influence over how games are built and delivered.
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Opportunity to work on titles played by a global audience.
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Supportive team culture focused on quality and innovation.
