Back End Python Developer, Crypto Trading Systems Are you ready to code at new hights with crypto trading? A lean, high-performing proprietary trading firm is on the hunt for a Back End Python Developer to help build and evolve the systems that power their algorithmic trading strategies. This is a rare opportunity to join a tight-knit team of elite technologists who thrive on automation, data, and performance. What You'll Be Doing: Develop and maintain high-performance trading systems using Python. Work on everything from model deployment and order execution to trade reconciliation and exchange integration. Collaborate closely with a Senior Developer and contribute across the company, from research tooling to data processing pipelines. Solve complex problems in an Agile, data-driven environment. What You'll Bring: 1-2 years of hands-on experience with Python 3, especially with performance-focused libraries like NumPy. Familiarity with JIT compilers (e.g., Numba) and best practices in code management and testing. Experience working with APIs, Websockets, and deploying applications in Linux environments. A proactive mindset and the ability to tackle challenges across multiple domains. Bonus Points For: Experience with SQL or other databases. Knowledge of lower-level languages like C++.Why You'll Love It: Work with a company that's been successfully trading crypto for over 6 years. Be part of a small, agile team where your contributions have real impact. Enjoy a culture of autonomy, innovation, and deep technical focus. We Are Aspire Ltd are a Commited employer