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AI Summary
🚀 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.
About this role
We're hiring a mobile networking specialist based in mainland China to own the SDK-level connectivity layer for our iOS and Android apps in the region. This is an engineering role focused on transport-layer logic, connection management, and client-side resilience strategies for users in challenging network environments.
- 4+ years of mobile SDK development on iOS or Android (both preferred) with significant time spent on the networking layer
- Direct hands-on experience shipping apps to mainland China users with measurable reliability improvements you can describe
- Strong understanding of TLS, TCP behavior, and modern transport protocols (HTTP/2, HTTP/3, QUIC, WebSocket)
- Comfortable with Wireshark, tcpdump, Charles, and platform-specific network debugging tools
- Based in mainland China and able to test directly against real regional network conditions
- Experience at fintech, exchange, streaming, or gaming companies with mainland China users
- Familiarity with native networking stacks (NSURLSession, OkHttp, Cronet) and how to customize them
- Background in protocol design or transport-layer optimization
- CV/Resume submission
- 1st round interview
- 2nd round interview
- What you'll have access to
A real, hard, well-resourced problem. A team that respects deep network expertise. Autonomy on architecture and protocol decisions. Direct impact on user experience for our entire mainland China user base.
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