Client Engineer (Gamedev)

Location: Hybrid in Barcelona, Spain

Company

hirify.global is a leading global interactive entertainment company and creator of hit mobile titles like MONOPOLY GO! and Pokémon GO.

What you will do

• Integrate and optimize the Playgami Ads SDK within various mobile games.
• Design, develop, and maintain client-side advertising technology used across the company's game portfolio.
• Identify technical opportunities and best practices to improve ad monetization.
• Collaborate with product managers, backend engineers, and game developers to deliver new capabilities.
• Troubleshoot integration issues and support game teams throughout the lifecycle.
• Drive improvements in performance, reliability, and developer experience for Playgami's Ads technology.

Requirements

• Strong experience developing mobile applications or SDKs using Unity, Android (Java/Kotlin), or iOS (Swift/Objective-C).
• Proven experience integrating third-party SDKs and mobile frameworks.
• Solid software engineering fundamentals, including object-oriented design and complex system debugging.
• Excellent problem-solving skills and the ability to work across multiple codebases.
• Excellent written and verbal English communication skills.
• Must be able to work on a hybrid basis in Barcelona, Spain.

Nice to have

• Experience with ad platforms such as Google Mobile Ads, AppLovin MAX, Unity Ads, or ironSource.
• Knowledge of ad mediation, bidding, or waterfall configurations.
• Familiarity with mobile game development and live operations.
• Experience building reusable SDKs or platform components.
• Knowledge of backend technologies, analytics, or A/B testing platforms.

Culture & Benefits

• Committed to a diverse, supportive work environment where everyone is treated with respect.
• Opportunity to work with a global team of game lovers innovating the mobile games industry.
• Tenet-driven culture focused on connecting millions of people through a shared love of play.
• Equal employment opportunities for individuals from all backgrounds.