Platform iOS Engineer - Sync & Collaboration

Asia, Europe Posted on February 19, 2026

Job Description

Platform iOS Engineer - Sync & Collaboration
Goodnotes

Our Values:

Dream big

Be visionary, strategic, and open to innovation

Build great things

Work in service of our users, always improving and pushing higher

Operate like an owner

Take responsibility with bold decision-making and bias for action

Win like a sports team

Be trusting and collaborative while empowering others

Learn and grow fast

Never stop learning and iterate fast

Share our passion

Share ideas and practice enthusiasm and joy

Be user obsessed

Empathetic, inquisitive, practical

About the team:

At Goodnotes, we are driven by a mission: to connect millions of users across devices and platforms through seamless data synchronization and collaboration. As a Platform iOS Engineer, you will play a pivotal role in bringing this vision to life. You will work on cutting-edge challenges in networked operations, including HTTP and WebSocket communications, while building our sync engine—a fully offline-first, distributed event-sourced system. Beyond sync, you may develop collaboration features that enable users to work together seamlessly. Your work will enable users to access their data in near real-time, collaborate effortlessly with others, and trust that their information is always backed up and available. Join us in creating the infrastructure that powers meaningful connections and collaboration for Goodnotes users worldwide.

You will:

Design and build an iOS and macOS application used by tens of millions of users

Architect and design scalable solutions that are easy to maintain to allow development of exciting features and support more users.

Implement elegant solutions with clean code.

Enable communication with the iOS, Android, Windows, Web frontend and QA teams

Continuously improve the development practices through automation, documentation and testing

Share knowledge through reviews, design docs, and mentorship

You will need:

Expertise in Swift programming. Knowledge of SwiftUI is advantageous

Networking expertise on iOS, including HTTP, WebSockets, and background transfers

Experience with offline-first data models, sync engines or distributed systems

Strong understanding of computer science fundamentals. You enjoy solving algorithm and data structure problems

Excellent problem solving, communication, and storytelling skills

A love of software craftsmanship

Strong sense of the best tools for any task

Shipped one or more non-trivial iOS apps on respective app stores

Big plus if you have experience cross-compiling codebase on different mobile platforms

Even if you don’t meet all the criteria listed above, we would still love to hear from you! Goodnotes places a lot of value on learning and development and will support your growth if needed.

The stack:

Programming Language: The vast majority of our code is written in Swift

Concurrency: We have a large, old, but modular codebase. We use modern Swift Concurrency as much as possible as we gradually move away from RxSwift

UI code: As much new UI code as possible is in SwiftUI. We fall back to UIKit when needed and re-use the majority of it on macOS using Catalyst

Cross-platform: We re-use our core packages on cross-platform using SwiftWasm, UI for other platforms is written using React or their respective native APIs

Dependencies: We exclusively use Swift Package Manager and frequently make new local packages

Source control and builds: We have a mono-repo and use GitHub and Pull Requests. We kick off builds using a Slack bot

Continuous Integration: We use CircleCI which means our configuration is checked in with our code. We have unit tests for all of our modules which run on every branch. UI tests are run daily and before release

Release cadence: We QA and release on a weekly schedule

The interview process:

Introduction: The Talent Team want to hear more about your background, what you are looking for, and why you’d like to join Goodnotes.

Technical Screening: A timed coding challenge on the Hackerrank platform.

Onsite live coding and technical interview: A live coding call with one of our engineers. This is where you get to see what it would be like working at Goodnotes, as well as a chance to ask any engineering questions you may have

Hiring Manager interview: A call with your hiring manager. This is the person who will be managing you day to day, working on your growth and development with you as well as support you throughout your career at Goodnotes.

Values interview: Conversations with Goodnotes teammates focused on our values, including taking ownership and building great things.

Please note that technical interviews are held onsite in our office locations (London, Hong Kong, and Singapore). All transport, accommodation, and costs involved will be covered by the Goodnotes team.

What’s in it for you:

Remote friendly

Flexible working hours and location

Medical insurance for you and your dependents

Great annual leave allowance

Meaningful equity in a profitable tech-startup

Budget for things like noise-cancelling headphones, setting up your home office, personal development, professional training, and health & wellness

Sponsored visits to our Hong Kong or London office every 2 years

Company wide annual offsite

Fantastic maternity and paternity packages and allowances

Note: Employment is contingent upon successful completion of background checks, including verification of employment, education, and criminal records.

Skills & Requirements

About Goodnotes

Goodnotes turns complexity into clarity. Goodnotes 6 - Notes Reimagined. Goodnotes is a powerful note-taking app that combines a natural handwriting experience with powerful AI-enabled digital capabilities. Whether you’re taking notes, brainstorming, or planning, Goodnotes empowers you to do your best thinking and creating. Goodnotes is used by more than 24 million users worldwide and was named Apple's 2022 iPad App of the Year.

Industry: Software Development