Senior Python Engineer

Senior Software Engineer needed for a high-growth London Trading Intelligence startup building an AI-driven terminal. True systems engineering, Python & Rust/Go/Java, £120k + guaranteed bonus. Details 👇 A Senior Python Engineer with a strong systems architecture and computing mindset is needed for a Trading Intelligence startup redefining institutional execution. Combining the agility of a small startup with the backing of a FTSE 250 commodity brokerage, they are replacing fragmented manual spreadsheets and disparate trader chats with a unified, AI-driven terminal. This high-impact role involves designing scalable data flows, building real-time intelligence engines, and delivering platforms used directly by institutional desks. Senior Software Engineer | Systems Architecture | Trading Tech | Up to £120,000 + Bonus + Benefits Founded by an ex-hedge fund leader, the platform leverages ML and agentic workflows to flag automated buy/sell signals by ingesting real-time communication feeds (WhatsApp, market commentary) alongside live data. Operating in a zero-bureaucracy environment, the firm is heavily investing in applied AI and robust backend infrastructure. A true Systems & Software Engineer is needed to take direct architectural control across the full software lifecycle. Senior Software Engineer: 💰 Up to £120,000 + Min. 15% Bonus + FTSE 250 Benefits Package🏬 Office-based 3-month probation ➔ Flexible hybrid thereafter🚆 London (Tower Bridge / Wapping / City)🛠️ Architecture: Deep Python engineering alongside Rust, Go, or Core Java; systems computing fundamentals (memory, runtimes, OS); PostgreSQL schema design; real-time streaming APIs; and LLM tool-calling (LangChain). ⚠️ Note: Valid UK right to work is required (no visa sponsorship available). 🚀 Why You’ll Want to Join: True Engineering Ownership: Direct architectural control across the full software lifecycle. You will make key design decisions and take complex trading systems from whiteboard architecture through to live production deployment.Startup Autonomy + FTSE Stability: Enjoy the flat hierarchy and rapid decision-making of a small team, backed by the job security, comprehensive benefits, and guaranteed bonus pool of a multi-billion-pound brokerage house.Genuinely Innovative AI in Production: Design and deploy real-time intelligence engines connecting LangChain, ML trend-detection models, and automated trading signal feeds used daily by commercial desks.High-Impact Collaborative Culture: Work directly alongside the founding CEO, elite quants, and commercial brokers in a culture that rewards technical autonomy and sound engineering principles. With rapid commercial adoption, the company is undertaking a comprehensive build-out of its core intelligence platform. The focus of the role is architecting robust data ingestion pipelines and scaling high-throughput backend services, ensuring trading desks receive low-latency, high-integrity automated signals ahead of major market movements. As a Senior Engineer, you will: Take ownership of backend architecture, scaling data models, and system design using Python, PostgreSQL, and modern systems tooling.Architect robust data ingestion pipelines that aggregate unstructured, multi-channel messaging into high-integrity data streams.Integrate LangChain and ML pipelines to detect market movements and deliver real-time buy/sell alerts to live traders.Champion engineering best practices, maintain system reliability, and help steer technical decisions alongside Rust, Go, or Core Java components. 💬 How to Apply: Please respond to this advert or send your CV over to caitlin@virtuetech.io 📌 Save this post to refer back to later if you are tracking London fintech/trading packages. #Python #SoftwareEngineering #Fintech #TradingTech #BackendDeveloper #Rust #Golang