Senior Blockchain/Trading Systems Engineer @ SquareOne

3 days ago


Remote Warsaw, Czech Republic SquareOne Full time

5+ years of software engineering experience 2+ years working with cryptocurrency systems or trading systemsDemonstrated track record of building and operating production systems at scale Expert-level proficiency in at least one of: Python (async/asyncio), Go, Rust, or C++ Deep understanding of concurrency, async programming, and memory management Experience integrating with cryptocurrency exchange or similar APIs (REST and WebSocket) Direct experience with cryptocurrency exchanges Experience building real-time systems with strict latency requirements (



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