🚀 About Flipster

Flipster(flipster.io) is a high-performance crypto perpetuals trading platform on a mission to create the most efficient, frictionless, and high-performance trading experience.

Engineered by traders and optimized for trading, Flipster combines zero spreads, instant execution, and capital efficiency to deliver a platform where performance is the product.

Operating globally and serving users in nearly 200 countries, Flipster is built for crypto traders who demand the ultimate perpetual trading experience — from active retail users to degens to seasoned pros — while maintaining the highest standards of compliance and security.

Location: Remote (within 2 hours SGT)

Responsibilities

Develop and maintain software for our exchange, primarily iOS and other platforms.
Work together with cross-functional teams to define, design, test and ship features.
Troubleshoot issues, fix bugs and improve application performance & reliability.
This is an individual contributor role.

Qualifications

Technical ability to design & implement feature intentions into reliable & efficient code.
Strong programming, design & development skills in Swift and/or other languages.
Interest in soft/firm real-time apps & optimizations for it.
Experience in production for published commercial apps with backend services.
Understanding in Apple platforms, technologies and conventions.
Ability to work autonomously in distributed remote teams with synchronous & asynchronous communication.
Ability to communicate in English.
Experience in native Android development or willingness to learn.
Knows how to use AI, understand/check AI results, and fix erroneous AI results.

Preferred

Understanding of financial derivatives products, exchange and trading platforms, blockchain, software development and business.

Our Tech Stacks

All Swift basically.
SwiftUI mostly.
Elm-like REPL structured.
async/await/actor where appropriate.
Modularized with SPM.
Tested by Swift Testing & XCTest.
Stored in GitHub.
Packaged in Xcode.
Built using Bitrise.
Watched by DataDog & Sentry.
Assisted by Cursor & Claude Code.

Tech Stacks for Android

Kotlin
Jetpack Compose
OkHttp (REST, WebSocket)
Retrofit
Coroutine

Our Hiring Process

Resume/CV submission
1st round interview (Homework)
2nd round interview
3rd round interview
4th round interview (Optional)
* Interview process is subject to change.

Software Engineer (iOS)

APAC

Remote

Senior

Flipster