Python Developer

Senior Backend Engineer (Python) – AI Platform | High-Growth FinTech - £500 Outside IR35 We’re partnering with a rapidly scaling AI company transforming global debt markets. Their platform centralises proprietary credit data, deep analysis and high-value workflows for 300 leading financial institutions worldwide. With strong product-market fit and rapid international expansion, they’re hiring a Senior Backend (Python) Engineer to take technical ownership across high-impact projects.

What You’ll Do Lead system design and deliver scalable backend services Build and evolve APIs, data processing pipelines and automation Mentor engineers and run code reviews Collaborate closely with Product and cross-functional domain experts Continuously improve performance, quality and developer experience What We’re Looking For Strong Python (Flask moving to FastAPI with Typing) backend experience Proven experience building APIs within service-oriented architectures Solid SQL knowledge PostgreSQL AWS (Lambda, ECS) Docker Strong system design and data flow thinking Collaborative mindset with high coding standards What’s On Offer Top-of-market salary Pension matched up to 7% Private medical income protection 25 days holiday hybrid working Work abroad up to 3 months per year Learning & development budget If you’re interested in joining a high-growth AI business reshaping global financial infrastructure, apply or message me directly.41bf1e1f-b16b-4260-a40a-17c77a06fd15