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Join Flipster as a Mobile Networking Engineer to enhance SDK-level connectivity for our iOS and Android apps in mainland China, focusing on transport-layer logic and connection management.
Flipster 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.
Required experience:
- 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
Preferred:
- 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
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.
3 DeFi teams messaged me in 5 days
AI profile matched me perfectly
2 interviews in my first week
Hired in 9 days, no cold apps
Best web3 board, period
3 DeFi teams messaged me in 5 days
AI profile matched me perfectly
2 interviews in my first week
Hired in 9 days, no cold apps
Best web3 board, period
CV to offer in 11 days
DAO found me, not the other way
Passive search actually works here
Got 5 messages in first week
Only board I recommend now
CV to offer in 11 days
DAO found me, not the other way
Passive search actually works here
Got 5 messages in first week
Only board I recommend now
