> Markdown version of [/jobs/ext/2259115-lead-python-developer](https://www.wearedevelopers.com/jobs/ext/2259115-lead-python-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Python Developer - **Company:** CW Talent Solutions - **Location:** Greater London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Distributed Systems, Python (Programming Language), Blockchain, Solidity, Microservices - **Published:** August 26, 2026 - **Apply:** https://www.collegerecruiter.com/job/2815156391-lead-python-developer ## About the Role * Expert in Python, including async/await and scalable system design * Knowledge of DeFi and blockchain (AMMs, MEV, liquidations, smart contracts) * Experience with distributed systems and microservices * Ability to read Solidity and understand on-chain logic * Based in or willing to relocate to London ## Description CW Talent Solutions is partnering with a global proprietary trading firm to hire a Lead Python Developer for their DeFi trading desk. This role will focus on building and scaling the firm's Python-based trading infrastructure, working closely with the founding team. The Firm * Global proprietary trading firm with a growing DeFi desk * Entrepreneurial and technology-driven culture * Opportunity to shape the technical foundation of a rapidly scaling desk The Role * Build and scale Python-based trading infrastructure * Integrate with smart contracts and DeFi protocols * Design microservices to enhance trading and automation * Take ownership of key system components from architecture to deployment * Optimize performance, with opportunities to use Rust for high-speed workloads Experience Required * Expert in Python, including async/await and scalable system design * Knowledge of DeFi and blockchain (AMMs, MEV, liquidations, smart contracts) * Experience with distributed systems and microservices * Ability to read Solidity and understand on-chain logic * Based in or willing to relocate to London ## Related Videos - [How to Build for Decentralized Systems](https://www.wearedevelopers.com/videos/931-how-to-build-for-decentralized-systems) - [Pragmatic Blockchain Design Patterns: Integrating Blockchain into Business Processes](https://www.wearedevelopers.com/videos/1579-pragmatic-blockchain-design-patterns-integrating-blockchain-into-business-processes) - [Microservices: how to get started with Spring Boot and Kubernetes](https://www.wearedevelopers.com/videos/242-microservices-how-to-get-started-with-spring-boot-and-kubernetes) - [Trust as the Key Concept in Future Mobility](https://www.wearedevelopers.com/videos/581-trust-as-the-key-concept-in-future-mobility) - [The Developer Handbook: How to Build on the Blockchain](https://www.wearedevelopers.com/videos/223-the-developer-handbook-how-to-build-on-the-blockchain) - [Blockchain, NFT and smart contracts for my application](https://www.wearedevelopers.com/videos/877-blockchain-nft-and-smart-contracts-for-my-application) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [7 tips on how to become a blockchain developer](https://www.wearedevelopers.com/magazine/53-7-tips-on-how-to-become-a-blockchain-developer) - [The 13 Best Python Libraries for Developers in 2025](https://www.wearedevelopers.com/magazine/371-the-13-best-python-libraries-for-developers-in-2025) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [10 Highest Paying Programming Languages 2025](https://www.wearedevelopers.com/magazine/150-10-highest-paying-programming-languages-2025) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk)