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Senior Frontend Engineer

ironSource

ironSource

Software Engineering
Tel Aviv-Yafo, Israel
Posted on Nov 19, 2025
Requisition ID: JOBREQ-2514775

Senior Frontend Engineer

Tel Aviv, Israel, Full-time
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The opportunity

Join the innovative and expanding team at Unity-Aura, a large-scale web platform delivering diverse content, news, games, videos, and more to millions of users. We’re seeking a motivated, detail-oriented Front-End Engineer to craft seamless, high-performance experiences across browsers and WebViews. At Unity, you’ll work in a dynamic environment that brings together web front ends, backend services, and machine learning into a unified, complex system. This is an ideal role for engineers eager to make a substantial impact on a technically challenging product in a fast-paced setting.

What you'll be doing

  • Build and maintain React-based SPAs and NX-powered micro frontends
  • Implement high-quality TypeScript, HTML, and CSS
  • Translate Figma designs into reusable, responsive components and design systems
  • Optimize for WebView and multiple browsers, ensuring cross-platform consistency
  • Collaborate with product/design to iterate quickly and ship value

What we're looking for

  • 4+ years of proven experience as a front-end engineer building React applications
  • Collaborative team player who thrives in fast-paced, dynamic environments
  • Solid understanding of software design principles and component-driven architecture
  • Strong problem-solving skills with excellent analytical thinking
  • Experience with modern web fundamentals: TypeScript/JavaScript, HTML, CSS and RESTful APIs.
  • Practical knowledge of performance optimization, accessibility, testing (Jest, Playwright), and build tooling (Vite, Nx)

You might also have

  • Android app development experience (Kotlin/Java, Android Studio)
  • React Native development for cross-platform mobile apps
  • Experience with performance profiling, mobile WebView optimization, and device-specific debugging

Additional information

  • Relocation support is not available for this position
  • Work visa/immigration sponsorship is not available for this position

Life at Unity

We offer a wide range of benefits designed to support employees' well-being and work-life balance. You can read more about them on our career page.

Unity [NYSE: U] is the leading platform to create and grow games and interactive experiences. Creators, ranging from game developers to artists, architects, automotive designers, infrastructure experts, filmmakers, and more, use Unity to bring their imaginations to life across multiple platforms, from mobile, PC, and console, to spatial computing.

As of the third quarter of 2024, more than 70% of the top 1,000 mobile games were made with Unity, and in 2024, Made with Unity applications had an average of 3.7 billion downloads per month. For more information, please visit Unity.

Unity is a proud equal opportunity employer. We are committed to fostering an inclusive, innovative environment and celebrate our employees across age, race, color, ancestry, national origin, religion, disability, sex, gender identity or expression, sexual orientation, or any other protected status in accordance with applicable law. Our differences are strengths that enable us to support the growing and evolving needs of our customers, partners, and collaborators. If you have a disability that means there are preparations or accommodations we can make to help ensure you have a comfortable and positive interview experience, please fill out this form to let us know.

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.

Headhunters and recruitment agencies may not submit resumes/CVs through this website or directly to managers. Unity does not accept unsolicited headhunter and agency resumes. Unity will not pay fees to any third-party agency or company that does not have a signed agreement with Unity.

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