Python Developer

Senior Backend Engineer | AI / Fintech | London | High Growth StartupSalary up to £180,000 + Bonus + Benefits A rapidly scaling AI-driven fintech company is looking for a Senior Backend Engineer to help build and scale a next-generation platform used by major financial institutions to automate complex workflows and decision-making processes.This is a high-impact role where you’ll work at the intersection of backend engineering, distributed systems, and applied AI, helping to design and deliver systems that process large-scale financial data with high performance, security, and reliability. What you’ll be doingDesign and build scalable backend services and APIs powering an AI-driven platformDevelop and optimise data pipelines handling large financial datasetsWork closely with ML teams to deploy and integrate models into production systemsImprove system performance, reliability, and latency across distributed architecturesLead technical design discussions and contribute to engineering standards and best practices What they’re looking for7+ years’ experience building production-grade backend systemsStrong Python experience (FastAPI)Deep understanding of databases (PostgreSQL), caching (Redis), and system performanceExperience with event-driven architectures, messaging systems, and distributed systemsExposure to cloud environments (AWS, Azure, or GCP) and containerisation (Docker/Kubernetes)Strong problem-solving skills and ability to operate in a fast-paced, high-growth environment Why joinOpportunity to work on cutting-edge AI infrastructure in financial servicesHigh ownership, working closely with senior leadershipFast-moving environment with real technical challenges and impactIf you’re interested in building scalable systems at the forefront of AI in finance, feel free to apply or reach out for a confidential discussion.