Tripledot Studios seeks a passionate Senior Unity Software Engineer to join their team in Barcelona. The role involves collaborating with product and design teams to implement new game features, build tools, and maintain game health across iOS and Android platforms. Responsibilities include implementing gameplay features in Unity, developing new titles and features, optimizing game performance (frame rate and memory), designing architecture, implementing maintainable code, code reviews, and writing unit tests. Experience with the Unity engine and C#, full life-cycle mobile game development (ideally F2P), UI, Unity graphics pipeline, object-oriented design, Git, and excellent English communication skills are essential.