Senior Software Engineer - Frontend

Seoul (On-site) • Full time

  • Javascript
  • React
  • Game Development

We are looking for a Senior Software Engineer to join Unity Offerwall Engineering Team in Seoul Office!

Unity is a leading business platform enabling mobile content creators to prosper in the app economy. Our mission is to help app developers turn their apps into scalable and sustainable businesses, with the most robust, comprehensive business platform available. Ultimately, we help customers focus on what they do best – creating great apps and user experiences – while we enable their business expansion in the app economy!

The Offerwall provides a value exchange between app publishers, advertisers, and consumers. Publishers integrate the offerwall to make more ad revenue within their apps, advertisers promote their products to the publisher’s user base to acquire quality traffic, and consumers engage with the ads within the offerwall in return for in-app rewards to continue their user journey.

What you'll be doing

  • Responsible for the development and improvement of global products
  • Build an advertising platform (Offerwall)
  • Create new types of advertising products

What we're looking for

  • FE development experience or equivalent expertise
  • Excellent development skills and experiences with modern web technologies (such as JavaScript ES5-ES6, CSS, HTML, RESTful web services)
  • We're heavily using React, and we write all new code with ES6 features, so expertise with some or all of these is mandatory
  • Understanding of data structures and algorithms
  • Excellent collaboration, and relationship-building skills

You might also have

  • Proficiency in English
  • Experience in development using TypeScript, Ruby, Elixir, or similar languages
  • Experience or interest in microservices or distributed system

Additional information

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

Life at Unity

Unity [NYSE: U] is the world's leading platform of tools for creators to build and grow real-time games, apps, and experiences across multiple platforms. 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 fourth quarter of 2023, more than 69% of the top 1,000 mobile games are made with Unity as derived from a blended number of the top 1,000 games in the Google Play Store and iOS App Store. In 2023, Made with Unity applications had an average of 3.7 billion downloads per month. For more information, please visit

Unity is an equal opportunity employer committed to fostering an inclusive, innovative environment with the best employees. Therefore, we provide employment opportunities without regard to age, race, color, ancestry, national origin, disability, gender, or any other protected status in accordance with applicable law. If 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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