> Markdown version of [/jobs/ext/1934518-mobile-game-developer-unity](https://www.wearedevelopers.com/jobs/ext/1934518-mobile-game-developer-unity). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mobile Game Developer (Unity) - **Company:** Smadex SLU - **Location:** Barcelona, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Computer Animation, Application Programming Interfaces (APIs), Apple IOS, C Sharp (Programming Language), Code Review, Software Debugging, Memory Management, Video Game Development, Scripting, Deep Learning, Backend, Git, Software Version Control - **Published:** August 5, 2026 - **Apply:** https://www.buscojobs.com.es/mobile-game-developer-unity-en-barcelona-ID-365458891 ## About the Role 2-3 years of professional experience in game development using Unity Must have experience shipping mobile games at scale, demonstrating an understanding of the challenges and requirements of live operations, performance, and stability for a large user base Strong proficiency in C# programming language Solid understanding of Unity's various systems, including physics, rendering, UI, animation, and scripting Proven experience developing and optimizing games for mobile platforms (iOS and Android). Familiarity with common mobile game development challenges and solutions (e.g., touch input, screen resolutions, battery life) Experience with version control systems (Git) Excellent problem-solving and analytical skills, with a keen eye for detail Ability to work effectively both independently and as part of a collaborative team A strong portfolio showcasing relevant mobile game projects, with an emphasis on those that have been shipped and maintained at scale If you become a member of our team, you will get the chance to: Integrate a highly motivated and young team ## Description Smadexis a leading advertising technology company founded in Barcelona in **** and sold to American-based and stock-listed Entravision in **** (NYSE::EVC). We power campaigns for Apps, Games and Brands across Mobile and CTV using advanced machine learning and optimized creative strategies to deliver results.The Opportunity:We are seeking a talented and passionateMobile Game Developer with 2-3 years of proven experience in Unity to join our development team. In this role, you will be instrumental in bringing our game concepts from idea to execution, contributing to all stages of the development lifecycle for our exciting new mobile titles. If you are a driven developer with a strong grasp of Unity, a love for creating engaging mobile experiences, and a track record of successfully shipping games at scale, we want to hear from you!Please note that we do NOT provide VISA sponsorship. Candidates without a legal permit to work in Spain won't be considered.Key Responsibilities:Develop and implement core gameplay mechanics, features, and systems for mobile games usingUnityWrite clean, efficient, and well-documentedC#codeCollaborate closely with game designers, artists, and other developers to translate game design documents and art assets into functional game featuresOptimize game performance, memory usage, and stability across various mobile devices (iOS and Android) to ensure smooth operation for a large player baseDebug and troubleshoot issues, identify bottlenecks, and devise effective solutions, particularly those impacting live games at scaleIntegrate third-partySDKsandAPIs(e.g., for ads, analytics, in-app purchases, backend services) crucial for scaling and monetizationParticipate in code reviews, providing constructive feedback and adhering to coding standardsStay up-to-date with the latest Unity features, mobile game development trends, and industry best practicesContribute to the overall technical vision and strategy of our mobile game projectsRequired Skills and Experience:2-3 years of professional experience in game development using UnityMust have experience shipping mobile games at scale, demonstrating an understanding of the challenges and requirements of live operations, performance, and stability for a large user baseStrong proficiency in C# programming languageSolid understanding of Unity's various systems, including physics, rendering, UI, animation, and scriptingProven experience developing and optimizing games for mobile platforms (iOS and Android).Familiarity with common mobile game development challenges and solutions (e.g., touch input, screen resolutions, battery life)Experience with version control systems (Git)Excellent problem-solving and analytical skills, with a keen eye for detailAbility to work effectively both independently and as part of a collaborative teamA strong portfolio showcasing relevant mobile game projects, with an emphasis on those that have been shipped and maintained at scaleIf you become a member of our team, you will get the chance to:Integrate a highly motivated and young teamGreat compensation packageTop location at the heart of Barcelona in a penthouse office with a rooftop terrace, Barbeque, and a fully stocked fridgeGreat work-life balance: 2 days work from home, flexible hoursLinkedIn learning and training opportunitiesMeal vouchers - Tickets Restaurant monthly allowanceMonthly gym allowance to use in up to 30 DIR gyms around the cityMonthly TGIF eventsRegular team-building eventsFun and friendly work environment with talented marketers and engineers from over 21 countriesAnd more! ## Related Videos - [Xcode development redefAIned](https://www.wearedevelopers.com/videos/100195-xcode-development-redefained) - [Apple Vision Pro: Proven Development Methods Meet the Latest Technology](https://www.wearedevelopers.com/videos/1190-apple-vision-pro-proven-development-methods-meet-the-latest-technology) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Unleash your web skills on native!](https://www.wearedevelopers.com/videos/122-unleash-your-web-skills-on-native) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers) - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 103 - Superb Owl Trafficking](https://www.wearedevelopers.com/magazine/388-dev-digest-103-superb-owl-trafficking) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)