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Senior Front-End Engineer

GoodNotesLondon, United Kingdom
UK
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This is the role for you, if you’re excited to work on the things listed below:

Responsibilities

  • Bring our core iOS App to cross platforms i.e. Web, Android and Windows systems, based on scope and requirements, using cross-platform SDKs.
  • Rapidly build prototypes/simulations from mockups that can be directly implemented
  • Create decoupled, interactive web/mobile UIs using JavaScript Frameworks such as React/Redux and new technologies like WebAssembly
  • Improve rendering performance and memory optimizations to create a performant UX
  • Perform cross-browser/device testing and optimisation
  • Support, maintenance and ongoing development for existing applications and projects
  • Unit-test code for robustness, including edge cases, usability, and general reliability
  • Continuously discover, evaluate, and implement new technologies to maximize development efficiency
  • Shipping Progressive Web Apps (PWA) to various platforms utilising latest technologies
Requirements
  • Experience building modern web applications using libraries and frameworks like: React/Redux
  • Expertise with TypeScript, familiarity with Swift a plus
  • At least 5 years of related working experience, you've made mistakes and learned from it, we also welcome very senior developers who can lead complex initiatives
  • Experience building cross-platform SDKs for shipping one or more non-trivial apps on respective app stores
  • Expertise in cloud storage, deployment and computing. We use AWS but we’re open to other platform experience
  • Can ship great quality products efficiently, you follow best practices (CI/CD, automated testing, version control)
  • Strong fundamentals in Computer Science, you know how things work under the hood
  • Excellent problem-solving, communication, and story-telling skills
  • Experience building PWA with offline-capabilities, bonus if you have used WebAssembly (WASM)

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FAQ

Is the Senior Front-End Engineer position at GoodNotes remote?
Yes. This role was posted on Remote Frontend Jobs, a job board that lists exclusively fully remote positions.
When was this Senior Front-End Engineer job posted?
This listing was posted on January 20, 2026 and is still open for applications.
How do I apply for the Senior Front-End Engineer position at GoodNotes?
Use the apply button on this page — it takes you directly to the employer’s application page.

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