Senior Client Platform Developer (Game Development)

TL;DR

Senior Client Platform Developer (Game Development): Taking technical responsibility for client-facing platforms and tools for high-quality gaming experiences with an accent on architectural decisions for scalability, maintainability, and client-communication layers. Focus on designing client-side integrations, building internal tooling for developer productivity, and mentoring less-experienced developers.

Location: On-site in Stockholm. Relocation and visa sponsorship are not available.

Company

hirify.global is a Stockholm-based game studio creating innovative, high-quality gaming experiences for millions of players globally.

What you will do

• Own and evolve core client-side platform components, including in-game UI systems and client-communication layers.
• Contribute to architectural decisions around scalability, maintainability, and long-term platform strategy.
• Lead and design client-side integrations with external platforms and third-party studios.
• Design, build, and maintain internal tooling to improve developer productivity.
• Serve as a go-to expert for complex platform-related issues, supporting various teams.
• Ensure high-quality user experiences by balancing technical constraints with UX and visual polish.

Requirements

• Several years of professional experience developing complex web or client-side applications in production environments.
• Deep proficiency in JavaScript/TypeScript or similar languages.
• Solid understanding of modern web technologies, including browser APIs, WebSockets, and real-time client-server communication.
• Advanced debugging skills using browser DevTools, network inspection, and API tools.
• Comfortable explaining technical concepts and trade-offs to both technical and non-technical stakeholders.
• This is an on-site position in Stockholm.
• Unfortunately, relocation or visa sponsorship cannot be assisted.

Nice to have

• Experience with Haxe.
• Experience with Git, TypeScript, React, Linux, Bash, npm, Bun, Docker, Cucumber, GitLab CI, and AWS.
• Experience working with web-facing C# systems.
• Previous experience in platform teams, SDK development, or supporting external developers.

Culture & Benefits

• A modern office in central Stockholm.
• Work with experienced, passionate colleagues in the gaming industry.
• The opportunity to create games with a global audience.
• Real influence, ownership, and personal growth opportunities.
• Wellbeing perks including wellness allowance and regular in-office massage.