Prinicpal Software Engineer

<p><strong>Principal Software Engineer</strong></p><p> London - Hybrid</p><p> Up to £140k + bonus</p><p><br><br>To be considered for an interview, please make sure your application is full in line with the job specs as found below.<br></p><p>We're working with a profitable, engineering-led fintech that builds software used by investment firms to manage reporting, data, and client-facing outputs.</p><p><br></p><p>Their platform underpins core workflows for their clients - handling complex, highly tailored requirements across data processing, reporting logic, and content generation. They’re now at a key stage of growth: evolving the existing system while building out new products alongside it.</p><p><br></p><p>They’re looking for a <strong>Principal Engineer</strong> to take ownership of how that platform develops from here. This is a senior, hands-on position with real influence over both architecture and delivery.</p><p><br></p><p><br></p><p><strong>You’ll be:</strong></p><ul><li>Leading the evolution of a live, business-critical Python platform</li><li>Designing and building new systems and features from the ground up</li><li>Owning architectural decisions across backend services and cloud infrastructure</li><li>Working closely with stakeholders to shape solutions, not just implement them</li><li>Setting technical direction and raising engineering standards within a small team</li></ul><p><br></p><p><br></p><p><strong>What They’re Looking For:</strong></p><ul><li>Strong Python experience (FastAPI, Django, Flask etc)</li><li>Track record of owning or significantly evolving production systems</li><li>Experience making architectural decisions and working across xwzovoh the full lifecycle</li><li>Comfortable operating in a smaller, high-ownership environment</li><li>Able to communicate effectively with both technical and non-technical stakeholders</li></ul><p><br></p><p><br></p><p><strong>Why It's interesting:</strong></p><ul><li>Ownership of a core platform and its future direction</li><li>Worldwide travel insurance</li><li>Top-tier Medical + Dental insurance</li><li>Beautiful, modern office in Central London</li><li>Profitable company with a clear growth roadmap</li></ul>