Senior Software Engineer

💼 Role: Lead Python Engineer (Hands-on Team Lead)📍 Location: London – Hybrid (3 days office / 2 days WFH)💰 Salary: Up to 140k base🏦 Industry: Fintech PlatformWe’re working with a profitable, high-growth UK fintech building a platform used by wealth and advisory firms to manage investment accounts, portfolios and trading workflows.Following a recent Series C funding round, the company is scaling quickly and continuing to expand the product platform — both in terms of scale and functionality. As a result, they’re growing the engineering team and looking for a Lead Python Engineer to take ownership of a core part of the platform.The RoleThis is a hands-on technical leadership role (50-70% hands-on), leading a small backend pod while remaining closely involved in development. You’ll be responsible for building and evolving core backend systems that support investment workflows, financial data processing and trading-related operations.What You’ll Be Working OnBuilding scalable backend services in PythonDesigning systems that process financial data and investment workflowsLeading architecture and technical design for new featuresRunning a small engineering pod and guiding deliveryImproving reliability, performance and resilience of core systemsMentoring engineers and raising engineering standards across the teamWhat We're Looking forExtensive experience with commercial Python backend developmentExperience building production backend systemsExperience leading projects or small engineering teamsStrong understanding of distributed systems or data-heavy platformsComfortable working in a fast-moving scale-up environmentWhy apply?Work on core financial infrastructureJoin a profitable company with strong funding and real platform adoptionLead a pod while staying deeply hands-on technicallyHelp shape a platform that is growing quickly in both scale and capabilityFeel free to contact Chris Williams with any questions.