Senior Frontend Engineer (React/React Native)

Adeva is a global talent network that enables work without boundaries by connecting tech professionals with top companies worldwide. 

We are looking for experienced Frontend Engineers to join high-performing client-side development teams. You will contribute to building and maintaining modern, scalable applications across web, mobile, and connected TV platforms (10ft experiences), as well as playback systems across all devices.

You’ll work on a diverse ecosystem of products, including multilingual streaming applications (live and on-demand), internal back-office portals, and a proprietary player engine used across platforms. The tech stack is centered around TypeScript, React, React Native, Node.js, and AWS.

This is a hands-on role for engineers who care about performance, scalability, and delivering high-quality user experiences.

Responsibilities

• Design and build high-quality, scalable frontend applications
• Own, maintain, and continuously improve the frontend platform
• Contribute to technical design and overall system architecture
• Collaborate with backend engineers to deliver end-to-end solutions
• Work closely with QA to define and ensure robust testing strategies
• Debug and resolve functional and performance issues
• Contribute to improving development practices and frontend standards

Requirements

• Strong experience in responsive web development (mobile-first)
• Proven experience with ReactJS and/or React Native
• Excellent knowledge of JavaScript (ES6+), HTML, CSS/SCSS (Flexbox, Grid)
• Experience building single-page applications (SPA)
• Strong understanding of cross-browser compatibility and W3C standards
• Experience integrating with REST APIs or GraphQL
• Experience with frontend testing frameworks (Jest, Jasmine, Karma, etc.)
• Strong debugging skills for performance and functional issues
• Ability to turn prototypes into production-ready applications
• Good communication skills and ability to work in a team
• Availability to work EU business hours is mandatory

About Adeva

Adeva is an exclusive network of engineers, product and data professionals that connects consultants with leading enterprise organizations and startups. Our network is distributed all over the world, with engineers in more than 35 countries. Our company culture builds connections, careers, and employee growth. We are creating a workplace from the future that values flexibility, autonomy, and transparency. If that sounds like something you’d like to be part of, we’d love to hear from you.