Python Developer

Senior Python Engineer needed to architect an AI \& Trading Intelligence platform backed by a global FTSE 250 brokerage. £100k + min. 15% bonus. Details 👇 They aren't looking for someone who just cuts tickets or churns out boilerplate code. They need a true Senior Engineer , someone who thinks in terms of system architecture, data flow, resilience, and scalable design. Combining the agility, speed, and equity-feel of a tight-knit 5-person startup team with the balance sheet, corporate benefits, and guaranteed bonus backing of a FTSE 250 maritime and commodity brokerage giant, they are redefining how institutional brokers and trading desks execute in the market. 🚀Python Engineer | Trading Intelligence \& AI | Up to £100,000 + Min. 15% Bonus + Benefits Founded by an ex-US hedge fund leader and commodity tech pioneer, the platform replaces fragmented manual spreadsheets and disparate client chats with a unified, AI-driven terminal. By ingesting real-time communication feeds (WhatsApp, market commentary) alongside live stock and commodity data, the platform leverages ML and agentic workflows to flag automated buy/sell signals directly to institutional traders and brokerages (including top-tier firms like Marex). Senior Python Engineer: 💰 Up to £100,000 + Min. 15% Bonus + FTSE 250 Benefits Package 🏬 Office-based during 3-month probation (Tower Bridge / St Katharine Docks) ➔ Flexible hybrid thereafter 🚆 London (Tower Bridge / Wapping / City) 🛠️ Technical Landscape: Deep Python engineering, systems architecture, relational data modeling (PostgreSQL), modern web frameworks (Django), LLM tool-calling (LangChain), and real-time streaming APIs. 🚀 Why You’ll Want to Join: * True Engineering Ownership, Not Just Feature Coding: Direct architectural control across the full software lifecycle. You will make key design decisions, evaluate technical trade-offs, and take complex business problems from whiteboard architecture through to live production deployment. * Startup Autonomy + FTSE Stability: Enjoy the flat hierarchy, rapid decision-making, and zero-bureaucracy culture of a 5-person team, backed by the job security, comprehensive benefits, and guaranteed bonus pool of a multi-billion-pound brokerage house. * Genuinely Innovative AI in Production: This is not a superficial chatbot wrapper. You will 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, quant experts, and commercial brokers in a culture that rewards technical autonomy, experimentation, and sound engineering principles. What You Bring: * Senior Python Expertise: Deep, battle-tested commercial experience with Python. You know the language inside out, understand its concurrency and performance nuances, and write robust, maintainable code. * Systems \& Architectural Mindset: You approach problems as a software engineer rather than a scripter, evaluating data flows, edge cases, system bottlenecks, and long-term scalability. * Relational Database Design: Extensive experience architecting and optimising relational databases (PostgreSQL, schema design, index optimisation, data integrity). * End-to-End Delivery: A proven track record of taking complex backend systems from concept to delivery (exposure to frameworks like Django is ideal for their current stack). * Curiosity for Applied AI: Hands-on exposure to or a strong technical interest in integrating LLM orchestration frameworks (e.g. LangChain, tool calling, structured outputs). * Communication \& Background: Strong communication skills to interact directly with founders, brokers, and clients, coupled with a Computer Science or STEM degree. * *Prior fintech, trading, or startup exposure is a plus, but top-tier engineering chops come first.* As a Senior Python Engineer, you will: * Take ownership of backend architecture, scaling data models, and system design using Python, Django, and PostgreSQL. * Architect robust data ingestion pipelines that aggregate unstructured, multi-channel messaging (WhatsApp, market feeds) into high-integrity data streams. * Integrate LangChain and machine learning 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 as the platform expands into new products. 💬 How to Apply: Apply directly to this advert or email your CV straight to caitlin@virtuetech.io 📌 Save this post to your feed to track London trading tech \& senior backend packages. #Python #SeniorSoftwareEngineer #BackendEngineer #SoftwareArchitecture #PythonDeveloper #PostgreSQL #Fintech #TradingTech #ArtificialIntelligence #LangChain #LondonJobs