Flipster

Flipster is a crypto perpetuals trading platform and cryptocurrency exchange focused on perpetual futures trading, emphasizing zero-spread trading on major perpetual pairs, fast execution, capital efficiency, and earn-while-you-trade functionality.

Financial Services

51-200

Founded 2021

3 open positions

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Mobile Networking Engineer

3 weeks, 5 days ago

China

Full-time

Mid Level

Mobile Engineer

Software Development

Android iOS TLS WebSockets Wireshark

Apply Now

Flipster

Financial Services

51-200

Founded 2021

View All Jobs 3

Description

Own the SDK-level connectivity layer for the iOS and Android apps in mainland China.
Design and improve transport-layer logic and connection management for mobile clients.
Develop client-side resilience strategies for users operating in challenging network environments.
Test and validate networking behavior directly against real regional network conditions.
Investigate and troubleshoot mobile network issues using platform-specific debugging tools and packet analysis tools.
Optimize app reliability and connectivity performance for Flipster’s mainland China user base.
Contribute to architecture and protocol decisions related to mobile networking.
Measure and deliver reliability improvements through hands-on networking work.

Requirements

4+ years of mobile SDK development experience on iOS or Android, with both preferred.
Significant experience working on the networking layer of mobile applications.
Direct hands-on experience shipping apps to mainland China users with measurable reliability improvements.
Strong understanding of TLS, TCP behavior, and modern transport protocols including HTTP/2, HTTP/3, QUIC, and WebSocket.
Comfortable using Wireshark, tcpdump, Charles, and platform-specific network debugging tools.
Based in mainland China and able to test against real regional network conditions.
Experience in fintech, exchange, streaming, or gaming companies with mainland China users is preferred.
Familiarity with native networking stacks such as NSURLSession, OkHttp, and Cronet is preferred.
Background in protocol design or transport-layer optimization is preferred.

Benefits

A real, hard, well-resourced technical problem to solve.
A team that values deep network expertise.
Autonomy over architecture and protocol decisions.
Direct impact on the user experience for Flipster’s mainland China user base.

Interested in this position?

Apply directly on the company website

Apply Now

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