Full Stack Developer

Roseberry is a fast-growing media-tech startup building the future of Vertical Television. We fuse cinematic storytelling with interactive, vertical-first technology, combining proven hit-production expertise with advanced streaming, monetization, and end-to-end platform innovation to create the next generation of mobile content experiences.

We are looking for a product-minded, highly skilled Full Stack Developer with a strong Frontend orientation to join our R&D team. You will play a key role in shaping our mobile application and internal platforms, ensuring a seamless and engaging experience for our users.

What you’ll do:

• Lead the development of our consumer-facing mobile application using React Native and Web application using React (NextJS).

• Collaborate closely with Product, UI/UX, and Content teams to deliver pixel-perfect, highly engaging user journeys.

• Optimize the application for maximum speed, scalability, and smooth performance across different mobile devices.

• Own features end-to-end, from technical design to deployment in a fast-moving startup environment.

What we’re looking for:

• 5+ years of professional full-stack development experience, with a strong focus on Frontend.

• Deep expertise in React and React Native (TypeScript).

• Solid hands-on experience developing and integrating RESTful APIs.

• High proficiency in JavaScript/TypeScript, HTML, and CSS, Mobile applications and SDKs.

• Familiarity with databases (e.g., MongoDB, Firebase) and cloud environments (AWS/GCP).

• A product-oriented mindset with a keen eye for UI/UX details and animations.

• Excellent problem-solving skills and a proactive "can-do" attitude.

Big Advantage:

• Experience with video streaming platforms or mobile content ecosystems.

• Background in high-scale B2C mobile apps or gaming.

• Knowledge of mobile app publishing (App Store, Google Play).