Senior Cross-Platform Engineer - Remote & Sync Engine Lead

Goodnotes; Remote; GBP 60,000 - 80,000; Full time

Job summary

A leading technology company in the United Kingdom is seeking a Senior Cross-Platform Application Engineer to drive innovative development on cutting-edge features. You will work primarily in Swift and Typescript, tackling challenges in networked operations and building an offline‑first sync engine for millions of users. Ideal candidates will have strong programming skills and a passion for creating user-centric applications. This role offers flexible working hours and remote opportunities, alongside great benefits and a focus on professional growth.

Benefits

Remote friendly

Flexible working hours

Medical insurance

Meaningful equity

Budget for home office setup

Company wide annual offsite

Qualifications

• Strong proficiency in systems or application programming with one or more of: C, C++, or Rust.
• Solid understanding of cross‑platform development practices including portable code.
• Experience with Swift programming is advantageous.

Responsibilities

• Design and build a cross‑platform application used by tens of millions of users.
• Implement elegant solutions with clean code.
• Continuously improve development practices through automation and testing.

Skills

Systems or application programming

Cross-platform development practices

Networking and distributed systems

Problem-solving skills

Swift programming

Education

Strong computer science fundamentals

Tools

Swift

Typescript

GitHub

Job description

A leading technology company in the United Kingdom is seeking a Senior Cross-Platform Application Engineer to drive innovative development on cutting-edge features. You will work primarily in Swift and Typescript, tackling challenges in networked operations and building an offline‑first sync engine for millions of users. Ideal candidates will have strong programming skills and a passion for creating user-centric applications. This role offers flexible working hours and remote opportunities, alongside great benefits and a focus on professional growth.