Senior React Developer - Remote

Overview

Jun Group is a technology company building a world where consumers are in control of their data and advertisers can reach them directly. Intelligent advertising that inspires trust is our guiding principle. We’re passionate about making advertising better for everyone through our consent-based approach that empowers the world’s largest publishers, brands, and agencies to achieve their goals with integrity, transparency, and peace-of-mind.

We are looking for a Senior React Developer to join our development team. You will take a leading role in developing and enhancing our core WebView-based ad player, which is a critical component of our mobile AdTech SDKs for iOS and Android. This position is full-time and remote-friendly.

In Short

• Take charge of the end-to-end development lifecycle for our React-based player.
• Lead the development and maintenance of our React-based WebView player.
• Build and deploy responsive, mobile-first UIs using React and TypeScript.
• Collaborate with Product Managers to flesh out features and translate product vision into robust technical solutions.
• Work closely with our iOS and Android SDK developers to design and implement the JavaScript bridge.
• Write comprehensive unit and integration tests to ensure code quality.
• Actively participate in code reviews, providing and incorporating constructive feedback.

Requirements

• 5+ years of professional software development experience, with a significant focus on React.
• Expertise in TypeScript and modern JavaScript (ES6+), HTML5, and CSS3.
• Experience building complex, responsive UIs with React for mobile web browsers.
• Strong understanding of web applications inside mobile WebView versus standard browsers.
• Proficiency with state management libraries (e.g., Redux, Zustand).
• Solid understanding of Git and GitHub for version control.
• Experience with unit and integration tests (e.g., Jest, React Testing Library).

Benefits

• Agile development methodology with a focus on iterative development.
• Emphasis on rigorous code inspection and quality assurance.
• Collaborative environment with experienced team members.
• Strong commitment to unit and integration testing.