> Markdown version of [/jobs/ext/2801106-software-engineer-web-platform](https://www.wearedevelopers.com/jobs/ext/2801106-software-engineer-web-platform). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer, Web Platform - **Company:** Unity - **Location:** Greater London, UK - **Salary:** £42,900.0 - £64,300.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), C Sharp (Programming Language), C++ (Programming Language), Software Debugging, Web Platforms - **Published:** September 9, 2026 - **Apply:** https://www.collegerecruiter.com/job/2852293384-software-engineer-web-platform ## About the Role * Hands-on development experience with C++ * Working familiarity with C# and/or JavaScript * Curiosity about how browsers work under the hood, rather than about building websites * Ability to profile, debug and optimize native code * Effective written/verbal communication within a distributed, multi-functional team * A forward thinker who perseveres on low-level problems that take time to unpick ## Description * Maintain and extend the Unity Web runtime, contributing features and fixes across the platform * Help improve the download size, load time and startup performance of Web builds * Develop, profile, debug and optimize across C++, C# and JavaScript * Scope your work with your manager and teammates, building on established patterns in the codebase * Investigate and fix issues raised by internal teams and by developers shipping on the Web platform * Keep pace with thebrowser's constantly evolving capabilities and bring what you learn back to the team, 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. This posting is intended to fill an existing vacancy, and we are committed to providing applicants with updates throughout the hiring process in accordance with applicable law. #J-18808-Ljbffr ## Related Videos - [Keith Cirkle of GitHub on React Fatigue](https://www.wearedevelopers.com/videos/1265-keith-cirkle-of-github-on-react-fatigue) - [Project Fugu: Extending the web](https://www.wearedevelopers.com/videos/832-project-fugu-extending-the-web) - [Using AI Without Losing Your Skills](https://www.wearedevelopers.com/videos/2045-using-ai-without-losing-your-skills) - [Modern C#: A Dive into the Community's Most Loved new Features.](https://www.wearedevelopers.com/videos/693-modern-c-a-dive-into-the-community-s-most-loved-new-features) - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [What I learned as a developer from accidents in space](https://www.wearedevelopers.com/videos/642-what-i-learned-as-a-developer-from-accidents-in-space) ## Related Articles - [Dev Digest 113 - Debugging above the cloud](https://www.wearedevelopers.com/magazine/422-dev-digest-113-debugging-above-the-cloud) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [Dev Digest 106 - DHH in HD](https://www.wearedevelopers.com/magazine/394-dev-digest-106-dhh-in-hd) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)