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Senior JavaScript Engineer (WebAssembly) - £500pd - REMOTE

A Senior JavaScript Engineer who specialises in WebAssembly is now required by a London based start-up.

This is a fully remote initial 3-month contract with a strong project scope and high chance of extending beyond the initial term.

You will be leading the charge in developing a large-scale SDK for audio and video enhancement using JavaScript and WebAssembly.

You MUST have strong experience using WebAssembly for this role.


  • Strong commercial JavaScript and ES6 experience

  • Strong experience with WebAssembly and its core, this includes Global, Instance, Memory etc..

  • Experience with Web API's

  • Experience with RESTFUL API's (integration etc..)

  • Experience with Web Audio or Streaming (WebRTC, Icecast)

  • Familiarity or exposure to Node.js

  • Highly skilled within Core JavaScript development

  • Candidates with experience working in the music industry, streaming products or audio tooling is desirable!

The position is fully remote and is paying up to £500 per day for an initial 3-month engagement, with a high chance of extensions.

Interviews are taking place immediately - If you are an experienced Senior JavaScript Engineer with strong WebAssembly skills and this position applies to you, then we want to hear from you.