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Develop and maintain high-quality Flutter applications for Happy Color and new projects with a focus on performance and clean architecture. Collaborate with designers and backend engineers to implement responsive UIs and complex animations across iOS and Android.

Develop and optimize multi-tap playable ads and interactive end cards across various advertising platforms. Collaborate with designers and marketers to ensure high-quality delivery and performance of creative assets.

The Senior Fullstack Engineer will design and develop RESTful APIs and build frontend applications with a focus on performance. They will also optimize performance, contribute to quality assurance, and ensure observability and reliability.

The Support Specialist will manage user requests via Zendesk, handle App Store and Google Play reviews, and coordinate with internal teams to resolve technical issues. Additionally, they will maintain the knowledge base, oversee outsourcing team performance, and occasionally manage social media support.