Front-end Engineer

Founded in 2011, Cleeng is the Subscriber Retention Management® Company. Cleeng unifies the entire subscriber experience across web and mobile apps from a single platform, empowering D2C companies to simplify subscription management and maximize customer lifetime value. Their award-winning Subscriber Retention Management (SRM®) suite delivers comprehensive solutions through an integrated approach, including flexible web payments, in-app subscriptions, sophisticated recurring billing, and AI-powered customer support. Cleeng serves industry leaders such as the NHL, Big Ten Network, The Weather Channel, TOD/BeIN, and NHK, helping businesses reduce churn and drive sustainable revenue growth globally.

• Practical use of AI tools in day-to-day development
• 2-4 years of experience building front-end applications with React
• Solid knowledge of TypeScript and JavaScript fundamentals
• Good understanding of HTML, CSS, and browser behavior
• Experience writing automated tests (unit, integration) and testing frameworks (e.g., Playwright)
• Experience building responsive, user-friendly interfaces
• Understanding of backend concepts (APIs, server-side logic)
• Strong attention to detail and code quality
• Good communication skills in English (B2+ minimum)
• Proactive attitude and willingness to learn

Nice to have:

• Experience with Next.js and server-side development
• Familiarity with AWS or other cloud environments

• Master and evolve AI-first development workflows
• Build and maintain front-end applications using React and TypeScript
• Implement user-facing features based on product and design requirements
• Write clean, maintainable, and well-tested code
• Contribute to component libraries and reusable UI patterns
• Collaborate closely with designers, product managers, and engineers
• Ensure high quality through automated testing (unit and integration)
• Debug and fix issues across different browsers and devices
• Continuously look for ways to improve user experience and development practices